pyinst: fsp7_phasenoise.py annotate

annotate fsp7_phasenoise.py @ 77:23c96322cfb6 default tip

Spell Rohde Schwarz correctly.

author	Daniel O'Connor <doconnor@gsoft.com.au>
date	Fri, 27 Sep 2024 11:34:16 +0930
parents	e2bb136bd2ed
children

rev	line source
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	1 #!/usr/bin/env python
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	2
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	3 # Copyright (c) 2024
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	4 # Daniel O'Connor <darius@dons.net.au>. All rights reserved.
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	5 #
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	6 # Redistribution and use in source and binary forms, with or without
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	7 # modification, are permitted provided that the following conditions
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	8 # are met:
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	9 # 1. Redistributions of source code must retain the above copyright
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	10 # notice, this list of conditions and the following disclaimer.
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	11 # 2. Redistributions in binary form must reproduce the above copyright
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	12 # notice, this list of conditions and the following disclaimer in the
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	13 # documentation and/or other materials provided with the distribution.
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	14 #
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	15 # THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	18 # ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	25 # SUCH DAMAGE.
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	26 #
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	27
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	28 import argparse
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	29 import math
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	30 import numpy
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	31 import os
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	32 import PIL
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	33 import rsib
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	34 import scipy
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	35 import scpi
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	36 import sys
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	37 import time
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	38
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	39 def sifmt(_v, dp = 3, unit = 'Hz', sp = ' '):
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	40 '''Format a number using SI prefixes'''
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	41 si_prefixes = ('T', 'G', 'M', 'k', '', 'm', 'µ', 'n', 'p')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	42 scale = 10 ** 12
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	43 v = abs(_v)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	44 if v == 0:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	45 sip = ""
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	46 scale = 0
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	47 for i, sip in enumerate(si_prefixes):
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	48 if v >= scale:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	49 break
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	50 scale /= 1e3
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	51 return ('%.' + str(dp) + 'f%s%s%s') % (_v / scale, sp, si_prefixes[i], unit)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	52
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	53 def setupsweep(r, rbw, vbw, centre = None, span = None, start = None, stop = None):
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	54 '''Helper function to set various sweep parameters'''
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	55 if centre is not None:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	56 r.write('SENSE1:FREQ:CENT %f Hz' % (centre))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	57 if span is not None:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	58 r.write('SENSE1:FREQ:SPAN %f Hz' % (span))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	59 if start is not None:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	60 r.write('SENSE1:FREQ:START %f Hz' % (start))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	61 if stop is not None:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	62 r.write('SENSE1:FREQ:STOP %f Hz' % (stop))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	63 if rbw is not None:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	64 r.write('SENS1:BAND:RES %f Hz' % (rbw))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	65 if vbw is not None:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	66 r.write('SENS1:BAND:VID %f Hz' % (vbw))
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	67
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	68 def dosweep(r, sweeps):
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	69 '''Helper function to trigger a sweep and wait for it to finish'''
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	70 swt = float(r.ask('SWE:TIME?'))
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	71 tout = swt * 5 * sweeps
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	72 if tout < 1:
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	73 tout = 1
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	74 #print('Sweep time', swt)
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	75
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	76 # Trigger the sweep
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	77 r.write('INIT;*WAI')
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	78
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	79 # Wait for it to be done
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	80 opc = int(r.ask('*OPC?', timeout = tout))
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	81 assert(opc == 1)
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	82
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	83 def findpeaks(r, maxpeak = 5, minpwr = None):
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	84 '''Ask instrument to find maxpeaks peaks and return a list of frequencies and powers'''
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	85 peaks_f = []
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	86 peaks_pwr = []
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	87 r.write('CALC:MARK1:MAX')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	88 for i in range(maxpeak):
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	89 frq = float(r.ask('CALC:MARK1:X?'))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	90 pwr = float(r.ask('CALC:MARK1:Y?'))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	91 if minpwr is not None and pwr < minpwr:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	92 break
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	93 if i > 0:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	94 if frq == peaks_f[i - 1]:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	95 break
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	96 peaks_f.append(frq)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	97 peaks_pwr.append(pwr)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	98 r.write('CALC:MARK1:MAX:NEXT')
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	99
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	100 return peaks_f, peaks_pwr
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	101
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	102 def phasenoise(r, nominal, sweeps, atten, rlev, yscale, ssprefix):
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	103 '''Main function to find a signal, do some phase noise measurements and wideband sweeps'''
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	104 cpwrlim = -30
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	105 measurements = (
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	106 { 'offset' : 10, 'span' : 100, 'rbw' : 10, 'vbw' : 10 },
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	107 { 'offset' : 100, 'span' : 250, 'rbw' : 10, 'vbw' : 10 },
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	108 { 'offset' : 1e3, 'span' : 2.5e3, 'rbw' : 10, 'vbw' : 30 },
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	109 { 'offset' : 10e3, 'span' : 25e3, 'rbw' : 100, 'vbw' : 300 },
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	110 { 'offset' : 100e3, 'span' : 250e3, 'rbw' : 100, 'vbw' : 300 },
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	111 { 'offset' : 1e6, 'span' : 2.1e6, 'rbw' : 1e3, 'vbw' : 3e3 },
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	112 )
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	113 # Reset to defaults
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	114 r.write('*RST')
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	115
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	116 # Set to single sweep mode
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	117 r.write('INIT:CONT OFF')
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	118
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	119 # Enable display updates
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	120 r.write('SYST:DISP:UPD ON')
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	121
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	122 # Set attenuation
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	123 if atten is None:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	124 r.write('INP:ATT AUTO')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	125 else:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	126 r.write('INP:ATT %s' % atten)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	127
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	128 # Set Y scale
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	129 if yscale is not None:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	130 r.write('DISP:TRAC:Y %s dB' % (yscale))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	131
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	132 # Set reference level
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	133 if rlev is None:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	134 r.write('DISP:WIND:TRAC:Y:RLEV AUTO')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	135 else:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	136 r.write('DISP:WIND:TRAC:Y:RLEV %f' % (rlev))
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	137
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	138 #
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	139 # Look for signal
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	140 #
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	141 # Set frequency range etc
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	142 setupsweep(r, 10, 30, centre = nominal, span = 1e3)
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	143
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	144 # Switch marker 1 on in screen A
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	145 r.write('CALC:MARK1 ON')
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	146 print('Looking for signal (%.1f seconds)' % (float(r.ask('SWE:TIME?'))))
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	147
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	148 # Do the sweep
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	149 dosweep(r, 1)
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	150
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	151 # Check the instrument is happy
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	152 status = int(r.ask('STAT:QUES:COND?'))
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	153 pwrstat = int(r.ask('STAT:QUES:POW:COND?'))
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	154 if status != 0 or pwrstat != 0:
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	155 print('Instrument warning, status %s power status %s' %
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	156 (bin(status), bin(pwrstat)))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	157 # Find the peak
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	158 r.write('CALC:MARK1:MAX')
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	159 cpwr = float(r.ask('CALC:MARK1:Y?'))
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	160 if cpwr < cpwrlim:
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	161 Exception('Power too low / not found: %.1f dBm vs %.1f dBm' % (cpwr, cpwrlim))
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	162 cmeas = float(r.ask('CALC:MARK1:X?'))
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	163 print('Found signal at %s with power %.1f dBm' % (sifmt(cmeas, dp = 6), cpwr))
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	164
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	165 # Centre peak
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	166 r.write('CALC:MARK1:FUNC:CENT')
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	167
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	168 # Set number of sweeps
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	169 r.write('SWE:COUN %d' % (sweeps))
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	170
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	171 # Enable phase noise measurement
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	172 r.write('CALC:MARK:AOFF')
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	173 r.write('CALC:DELT1:FUNC:PNO')
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	174
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	175 for idx, m in enumerate(measurements):
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	176 # Setup measurement
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	177 setupsweep(r, m['rbw'], m['vbw'], span = m['span'])
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	178
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	179 # Do the sweep
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	180 dosweep(r, sweeps)
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	181
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	182 # Set offset of phase noise measurement
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	183 r.write('CALC:MARK1:MAX')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	184 r.write('CALC:DELT1:MOD REL')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	185 r.write('CALC:DELT1:X %f Hz' % (m['offset']))
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	186 meas = float(r.ask('CALC:DELT:FUNC:PNO:RES?'))
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	187 print('Offset %7s %7.2f dBc/Hz' % (sifmt(m['offset'], dp = 0), meas))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	188
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	189 # Take screen shot and save it
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	190 if ssprefix is not None:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	191 screenshot(r, '%s-%d_%s_offset.png' % (
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	192 ssprefix, idx, sifmt(m['offset'], dp = 0, sp = '')))
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	193
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	194 # Do a wide band scan
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	195 if ssprefix is not None:
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	196 start = 1e6
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	197 stop = 100e6
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	198 setupsweep(r, 1e3, 3e3, start = start, stop = stop)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	199 print('Scanning %s - %s (%.1f seconds)' % (sifmt(start, dp = 0), sifmt(stop, dp = 0),
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	200 float(r.ask('SWE:TIME?'))))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	201 dosweep(r, sweeps)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	202 # Show peaks
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	203 r.write('CALC:MARK:AOFF')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	204 for i, (f, p) in enumerate(zip(*findpeaks(r, 4))):
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	205 r.write('CALC:MARK%d:X %f Hz' % (i + 1, f))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	206 screenshot(r, '%s-sweep-%.1f-%.1fMHz.png' % (
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	207 ssprefix, start / 1e6, stop / 1e6))
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	208
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	209 # Look from just before signal to just after second harmonic
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	210 start = nominal * 0.9
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	211 stop = 2 * nominal + nominal * 0.1
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	212 setupsweep(r, 1e3, 3e3, start = start, stop = stop)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	213 print('Scanning %s - %s (%.1f seconds)' % (sifmt(start, dp = 0), sifmt(stop, dp = 0),
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	214 float(r.ask('SWE:TIME?'))))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	215 dosweep(r, sweeps)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	216 # Show peaks
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	217 r.write('CALC:MARK:AOFF')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	218 for i, (f, p) in enumerate(zip(*findpeaks(r, 4))):
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	219 r.write('CALC:MARK%d:X %f Hz' % (i + 1, f))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	220 screenshot(r, '%s-sweep-%.1f-%.1fMHz.png' % (
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	221 ssprefix, start / 1e6, stop / 1e6))
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	222
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	223 def screenshot(r, ssname, sapath = '\'c:\\temp\\pntmp.bmp\''):
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	224 # Setup & take screen shot
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	225 r.write('HCOPY:DEV:LANG1 BMP')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	226 r.write('HCOPY:DEST1 MMEM')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	227 r.write('HCOPY:CMAP:DEF2')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	228 r.write('HCOPY:ITEM:ALL')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	229 r.write('MMEM:NAME %s' % (sapath,))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	230 r.write('HCOPY:IMM1')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	231 time.sleep(5)
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	232
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	233 # Grab it
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	234 r.write('MMEM:DATA? %s' % (sapath,))
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	235 bmpdat = scpi.getbin(r.read())
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	236 bmpname = ssname[0:-4] + '.bmp'
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	237
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	238 # Convert to whatever format
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	239 open(bmpname, 'wb').write(bmpdat)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	240 img = PIL.Image.open(bmpname)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	241 img.save(ssname)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	242 os.unlink(bmpname)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	243 r.write('MMEM:DEL %s' % (sapath,))
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	244
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	245 if __name__ == '__main__':
77 23c96322cfb6 Spell Rohde Schwarz correctly. Daniel O'Connor <doconnor@gsoft.com.au> parents: 76 diff changeset	246 parser = argparse.ArgumentParser(description = 'Configures a Rohde Schwarz FSP7 spectrum analyser to do a phase noise measurement')
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	247 parser.add_argument('-a', '--atten', default = None, help = 'Attenuation level (default: autoamatic)')
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	248 parser.add_argument('-r', '--rlevel', default = 10, help = 'Reference level (default: %default dBm)', type = float)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	249 parser.add_argument('-s', '--ssprefix', default = None, help = 'Path name to save screenshots to (default: none)', type = str)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	250 parser.add_argument('-w', '--sweeps', default = 1, help = 'Number of sweeps (default: %default)', type = int)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	251 parser.add_argument('-y', '--yscale', default = 120, help = 'Y-scale extent (default: %default dB)', type = float)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	252 parser.add_argument('address', help = 'Address of analyser', type = str)
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	253 parser.add_argument('nominal', help = 'Nominal frequency of measurement (Hz)', type = float)
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	254
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	255 args = parser.parse_args()
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	256
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	257 # Connect to the analyser
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	258 r = rsib.RSIBDevice(args.address)
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	259
b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	260 # ID instrument
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	261 print('Device ID is', r.ask('*IDN?').decode('ascii'))
74 b6ebe05f250f Add some commentry about what it works with Daniel O'Connor <doconnor@gsoft.com.au> parents: diff changeset	262
76 e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	263 # Do measurements
e2bb136bd2ed Add script to use FSP7 to perform phasenoise measurements. Daniel O'Connor <doconnor@gsoft.com.au> parents: 74 diff changeset	264 phasenoise(r, args.nominal, args.sweeps, args.atten, args.rlevel, args.yscale, args.ssprefix)

Mercurial > ~darius > hgwebdir.cgi > pyinst

annotate fsp7_phasenoise.py @ 77:23c96322cfb6 default tip