# choose random fstop
req_fstop = req_fstart + int(random.random() * (8e9 - req_fstart))
# choose random fin between fstart and fstop
fin = req_fstart + int(random.random() * (req_fstop - req_fstart))
# choose a random rbw between 3kHz and 500 kHz
req_rbw = int((random.random() * (500e3 - 3e3)) + 3e3)
# print test summary
print "Test #%4d - fstart: %11d, fstop: %11d, rbw: %6d, fin: %11d, mode: %s" % (
t, req_fstart, req_fstop, req_rbw, fin, mode),
# do test
sd.logstr = ''
sd.logtype = 'LOG'
sg.freq(fin)
time.sleep(0.250)
try:
(act_fstart, act_fstop,
psd) = sd.capture_power_spectrum(req_fstart, req_fstop, req_rbw, {},
mode)
except Exception as detail:
print sd.logstr
print "\n\n%s" % detail
break
act_rbw = float(act_fstop - act_fstart) / len(psd)
(pfreq, pamp) = do_peakfind(act_fstart, act_fstop, act_rbw, psd)
# calculate deltas from expected values
fin = float(sys.argv[5])
if save_data:
reqstart = fstart
reqstop = fstop
reqrbw = rbw
# connect to wsa
dut = WSA()
dut.connect(ip)
dut.scpiset("*RST")
dut.flush()
# create sweep device
sd = SweepDevice(dut)
sd.logtype = 'PRINT'
# setup siggen
if fin:
sg = N5183("10.126.110.19")
sg.amplitude(pin)
sg.freq(fin)
sg.output(1)
time.sleep(0.05)
# capture spectrum
(fstart, fstop, data) = sd.capture_power_spectrum(fstart, fstop, rbw, { }, mode)
calcrbw = (fstop - fstart) / len(data)
print "fstart = %d, fstop = %d, datalen = %d, calculated rbw = %f" % (fstart, fstop, len(data), calcrbw)
# search for max
# choose random fstop
req_fstop = req_fstart + int(random.random() * (8e9 - req_fstart))
# choose random fin between fstart and fstop
fin = req_fstart + int(random.random() * (req_fstop - req_fstart))
# choose a random rbw between 3kHz and 500 kHz
req_rbw = int((random.random() * (500e3 - 3e3)) + 3e3)
# print test summary
print "Test #%4d - fstart: %11d, fstop: %11d, rbw: %6d, fin: %11d, mode: %s" % (t, req_fstart, req_fstop, req_rbw, fin, mode),
# do test
sd.logstr = ''
sd.logtype = 'LOG'
sg.freq(fin)
time.sleep(0.250)
try:
(act_fstart, act_fstop, psd) = sd.capture_power_spectrum(req_fstart, req_fstop, req_rbw, { }, mode)
except Exception as detail:
print sd.logstr
print "\n\n%s" % detail
break
act_rbw = float(act_fstop - act_fstart) / len(psd)
(pfreq, pamp) = do_peakfind(act_fstart, act_fstop, act_rbw, psd)
# calculate deltas from expected values
dfreq = abs(pfreq - fin)
damp = abs(pamp - pin)
fin = float(sys.argv[5])
if save_data:
reqstart = fstart
reqstop = fstop
reqrbw = rbw
# connect to wsa
dut = WSA()
dut.connect(ip)
dut.scpiset("*RST")
dut.flush()
# create sweep device
sd = SweepDevice(dut)
sd.logtype = 'PRINT'
# setup siggen
if fin:
sg = N5183("10.126.110.19")
sg.amplitude(pin)
sg.freq(fin)
sg.output(1)
time.sleep(0.05)
# capture spectrum
(fstart, fstop, data) = sd.capture_power_spectrum(fstart, fstop, rbw, {}, mode)
calcrbw = (fstop - fstart) / len(data)
print "fstart = %d, fstop = %d, datalen = %d, calculated rbw = %f" % (
fstart, fstop, len(data), calcrbw)
