def test_save_measurement_locally(self):
vna = Vna()
vna.open_tcp('rsa22471.local')
vna.preset()
ports = [1, 2]
ch = vna.channel()
try:
success = ch.save_measurement_locally('test', ports)
except:
print(sys.exc_info()[0])
print(vna.errors)
raise
if not success:
print(vna.errors)
vna.clear_status()
self.assertTrue(success)
# create Vna instance
vna = Vna()
# log
vna.open_log(log_file)
vna.print_info()
# connect to instrument (no visa)
vna.open_tcp(address)
# alternatively, using pyvisa:
# vna.open('gpib', 20)
# preset and clear errors
vna.clear_status()
vna.preset()
vna.pause()
# create an interesting setup
# to save
ch1 = vna.channel(1)
ch1.start_frequency_Hz = 1.0e9
ch1.stop_frequency_Hz = 2.0e9
ch1.points = 401
trc1 = vna.trace('Trc1')
trc1.parameter = 'S11'
index = vna.create_diagram()
name = vna.create_trace()
from rohdeschwarz.instruments.vna import Vna
from rohdeschwarz.instruments.vna import SweepType
import matplotlib.pyplot as plt
import numpy as np
# Open instrument connection
vna = Vna()
vna.open('TCPIP', '127.0.0.1')
# SCPI command log
vna.open_log("SCPI Command Log.txt")
print_header(vna.log, "Measure with a1", "0.0.1")
vna.print_info()
# Preset
vna.preset()
vna.pause()
vna.clear_status()
# Setup channel 1
ch1 = vna.channel(1)
ch1.sweep_type = SweepType.power
ch1.start_power_dBm = -20.0
ch1.stop_power_dBm = 0
ch1.points = 201
ch1.if_bw_Hz = 1, 'kilo'
ch1.cal_group = 'example'
ch1.manual_sweep = True
# Setup Trc1: S21
s21_trace = vna.trace('Trc1')