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from qolab.hardware.rf_generator import RFGeneratorSCPI
from qolab.data.trace import Trace
import re
import numpy as np
class AgilentE8257D(RFGeneratorSCPI):
""" Agilent E8257D RF generator """
def __init__(self, resource):
super().__init__(resource)
self.resource.read_termination='\n'
""" Note: Fixed frequency and Center frequency (of sweep) are different in this model """
def getFreq(self):
qstr = f':FREQuency:Fixed?'
rstr = self.query(qstr)
return( float(rstr) )
def setFreq(self, freq):
cstr = f':FREQuency:FIXED {freq}Hz'
self.write(cstr)
def getSweepCentralFreq(self):
qstr = f':FREQuency:CENTer?'
rstr = self.query(qstr)
return( float(rstr) )
def setSweepCentralFreq(self, cfreq):
cstr = f':FREQuency:CENTer {cfreq}Hz'
self.write(cstr)
def getSweepSpan(self):
qstr = f':FREQuency:SPAN?'
rstr = self.query(qstr)
return( float(rstr) )
def setSweepSpan(self, span):
cstr = f':FREQuency:SPAN {span}Hz'
self.write(cstr)
def setSweep(self, cfreq=None, span=None):
if cfreq is not None:
self.setSweepCentralFreq(cfreq)
if cfreq is not None:
self.setSweepSpan(span)
if __name__ == '__main__':
import pyvisa
print("testing")
rm = pyvisa.ResourceManager()
print(rm.list_resources())
instr=rm.open_resource('TCPIP::192.168.0.114::INSTR')
rfgen = AgilentE8257D(instr)
print(f'Fixed frequency: {rfgen.getFreq()}')
print(f'Sweep Central frequency: {rfgen.getSweepCentralFreq()}')
print(f'Sweep Span: {rfgen.getSweepSpan()}')
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