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authorEugeniy E. Mikhailov <evgmik@gmail.com>2022-01-02 18:22:04 -0500
committerEugeniy E. Mikhailov <evgmik@gmail.com>2022-01-02 18:22:04 -0500
commitbf375142e009aaaa7a517b67e5842d493ae0206a (patch)
tree9ac4c8e5cf7a93aeb21e2b3773cbea4508d32a49 /qolab/hardware/lockin/srs_sr865a.py
parentdad9f4cc3aaaf700fd214552774ce8c64fdec738 (diff)
downloadqolab-bf375142e009aaaa7a517b67e5842d493ae0206a.tar.gz
qolab-bf375142e009aaaa7a517b67e5842d493ae0206a.zip
redo lockin via SCPI_PROPERTY
Diffstat (limited to 'qolab/hardware/lockin/srs_sr865a.py')
-rw-r--r--qolab/hardware/lockin/srs_sr865a.py135
1 files changed, 40 insertions, 95 deletions
diff --git a/qolab/hardware/lockin/srs_sr865a.py b/qolab/hardware/lockin/srs_sr865a.py
index 3d3ebfc..727c54e 100644
--- a/qolab/hardware/lockin/srs_sr865a.py
+++ b/qolab/hardware/lockin/srs_sr865a.py
@@ -1,5 +1,11 @@
from qolab.hardware.basic import BasicInstrument
from qolab.hardware.lockin import LockinSCPI
+from qolab.hardware.scpi import SCPI_PROPERTY
+from enum import IntEnum, EnumMeta
+
+class TimeBaseOption(IntEnum):
+ AUTO=0
+ INT=1
class SRS_SR865A(LockinSCPI):
""" SRS SR865A lockin """
@@ -9,101 +15,40 @@ class SRS_SR865A(LockinSCPI):
self.resource.read_termination='\n'
self.deviceProperties.extend(['TimeBaseMode'])
- @BasicInstrument.tsdb_append
- def getFreqInt(self):
- qstr = f'FreqInt?'
- rstr = self.query(qstr)
- return(float(rstr))
-
- @BasicInstrument.tsdb_append
- def setFreqInt(self, freq):
- cstr = f'FreqInt {freq}'
- rstr = self.write(cstr)
-
- # this one has only getter
- @BasicInstrument.tsdb_append
- def getFreqExt(self):
- qstr = f'FreqExt?'
- rstr = self.query(qstr)
- return(float(rstr))
-
- @BasicInstrument.tsdb_append
- def getHarm(self):
- qstr = f'Harm?'
- rstr = self.query(qstr)
- return(int(rstr))
-
- @BasicInstrument.tsdb_append
- def setHarm(self, harm):
- cstr = f'Harm {harm}'
- rstr = self.write(cstr)
-
- @BasicInstrument.tsdb_append
- def getSinAmpl(self):
- qstr = f'SLVL?'
- rstr = self.query(qstr)
- return(float(rstr))
-
- @BasicInstrument.tsdb_append
- def setSinAmpl(self, ampl):
- cstr = f'SLVL {ampl}'
- rstr = self.write(cstr)
-
- @BasicInstrument.tsdb_append
- def getSinOffset(self):
- qstr = f'SOFF?'
- rstr = self.query(qstr)
- return(float(rstr))
-
- @BasicInstrument.tsdb_append
- def setSinOffset(self, offset):
- cstr = f'SOFF {offset}'
- rstr = self.write(cstr)
-
- @BasicInstrument.tsdb_append
- def getSensetivity(self):
- return(int(self.query(f'SCAL?')))
-
- @BasicInstrument.tsdb_append
- def setSensetivity(self, val):
- rstr = self.write(f'SCAL {val}')
-
- @BasicInstrument.tsdb_append
- def getTimeConstan(self):
- return(int(self.query(f'OFLT?')))
-
- @BasicInstrument.tsdb_append
- def setTimeConstan(self, val):
- rstr = self.write(f'OFLT {val}')
-
- @BasicInstrument.tsdb_append
- def getFilterSlope(self):
- return(int(self.query(f'OFSL?')))
-
- @BasicInstrument.tsdb_append
- def setFilterSlope(self, val):
- rstr = self.write(f'OFSL {val}')
-
- # this one has only getter
- @BasicInstrument.tsdb_append
- def getEquivalentFileterBW(self):
- return(float(self.query(f'ENBW?')))
-
- @BasicInstrument.tsdb_append
- def getTimeBaseMode(self):
- return(int(self.query(f'TBMODE?')))
-
- @BasicInstrument.tsdb_append
- def setTimeBaseMode(self, val):
- rstr = self.write(f'TBMODE {val}')
-
- @BasicInstrument.tsdb_append
- def getRefPhase(self):
- return(float(self.query(f'PHAS?')))
-
- @BasicInstrument.tsdb_append
- def setRefPhase(self, val):
- rstr = self.write(f'PHAS {val}')
+ FreqInt = SCPI_PROPERTY(scpi_prfx='FreqInt', ptype=float, doc='Internal LO frequency')
+ FreqExt = SCPI_PROPERTY(scpi_prfx='FreqExt', ptype=float, doc='External LO frequency', no_setter=True)
+ Harm = SCPI_PROPERTY(scpi_prfx='Harm', ptype=float, doc='Harmonic of the LO')
+ SinAmpl = SCPI_PROPERTY(scpi_prfx='SLVL', ptype=float, doc='Modulation amplitude')
+ SinOffset = SCPI_PROPERTY(scpi_prfx='SOFF', ptype=float, doc='Modulation offset')
+ EquivalentNoiseBW = SCPI_PROPERTY(scpi_prfx='ENBW', ptype=float, doc='Equivalent Noise BandWidth (it is not 3dB BW, see the manual)', no_setter=True)
+ TimeBaseMode = SCPI_PROPERTY(scpi_prfx='TBMODE', ptype=int, doc='10 MHz reference mode: 0 - Auto, 1 - Internal')
+ RefPhase = SCPI_PROPERTY(scpi_prfx='PHAS', ptype=float, doc='LO/reference phase')
+
+ Sensitivity = SCPI_PROPERTY(scpi_prfx='SCAL', ptype=int, doc="""
+ Sensitivity:
+ 0: 1 V (uA), 6: 10 mV (nA), ... 27: 1 nV (fA)
+ 1: 500 mV (nA), 7: 5 mV (nA),
+ 2: 200 mV (nA), 8: 2 mV (nA),
+ 3: 100 mV (nA), 9: 1 mV (nA),
+ 4: 50 mV (nA), 10: 500 uV (pA),
+ 5: 20 mV (nA), 11: 200 uV (pA),
+ """)
+ TimeConstan = SCPI_PROPERTY(scpi_prfx='OFLT', ptype=int, doc="""
+ Time constant:
+ 0: 1 uS, 6: 1 mS, ..... , 21: 30 kS
+ 1: 3 uS, 7: 3 mS,
+ 2: 10 uS, 8: 10 mS,
+ 3: 30 uS, 9: 30 mS,
+ 4: 100 uS, 10: 100 mS,
+ 5: 300 uS, 11: 300 mS,
+ """)
+ FilterSlope = SCPI_PROPERTY(scpi_prfx='OFSL', ptype=int, doc="""
+ Output Filter slope:
+ 0: 6dB/Oct
+ 1: 12dB/Oct
+ 2: 18dB/Oct
+ 3: 24dB/Oct
+ """)
if __name__ == '__main__':
import pyvisa