Mercurial > ~darius > hgwebdir.cgi > pyinst
diff agilent_r5071.py @ 30:9ce709b7da4b
Add Q&D example code for Anritsu MS2034A and Agilent R5071.
| author | Daniel O'Connor <darius@dons.net.au> |
|---|---|
| date | Wed, 21 Sep 2011 14:58:55 +0930 |
| parents | |
| children | 6bd941d96c03 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agilent_r5071.py Wed Sep 21 14:58:55 2011 +0930 @@ -0,0 +1,39 @@ +# Docs are at http://ena.tm.agilent.com/e5071c/manuals/webhelp/eng/ + +import scpi +import pylab + +# Connect +inst = scpi.instURL('vxi://203.31.81.47') + +# Read ID +inst.write('*IDN?') +inst.read() +# 'Agilent Technologies,E5071C,MY46109815,A.09.54\n' + +# Set to 8 byte floats +inst.write(":FORM:DATA REAL") + +# Set to little endian +inst.write(':FORM:BORD SWAP') + +# Grab frequency data +inst.write(":SENS1:FREQ:DATA?") +freqs = scpi.bindecode(inst.read(), dtype = numpy.float64) + +# Grab trace data +inst.write(":CALC1:TRACE1:DATA:FDATA?") +dat = scpi.bindecode(inst.read(), dtype = numpy.float64) + +# We only want the real part (no imag for this measurement) +dat = dat[::2] + +# Save for later +numpy.savez('GS_preamp_20110929', freqs, dat) + +# Load.. +f = numpy.load('GS_preamp_20110929.npz') +freqs = f['arr_0'] +dat = f['arr_1'] + +pylab.plot(freqs.dat)