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from ._basic import LockinSCPI
from qolab.hardware.scpi import SCPI_PROPERTY
class SRS_SR865A(LockinSCPI):
"""SRS SR865A lockin"""
def __init__(self, resource, *args, **kwds):
super().__init__(resource, *args, **kwds)
self.config["Device model"] = "SRS SR865A"
self.resource.read_termination = "\n"
self.deviceProperties.update(
{"TimeBaseMode", "AuxOut1", "AuxOut2", "AuxOut3", "AuxOut4"}
)
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
""",
)
AuxOut1 = SCPI_PROPERTY(
scpi_prfx=["AUXV? 0", "AUXV 0,{}"],
ptype=float,
doc="Voltage at Auxilarly output 1",
)
AuxOut2 = SCPI_PROPERTY(
scpi_prfx=["AUXV? 1", "AUXV 1,{}"],
ptype=float,
doc="Voltage at Auxilarly output 2",
)
AuxOut3 = SCPI_PROPERTY(
scpi_prfx=["AUXV? 2", "AUXV 2,{}"],
ptype=float,
doc="Voltage at Auxilarly output 3",
)
AuxOut4 = SCPI_PROPERTY(
scpi_prfx=["AUXV? 3", "AUXV 3,{}"],
ptype=float,
doc="Voltage at Auxilarly output 4",
)
AuxIn1 = SCPI_PROPERTY(
scpi_prfx=["OAUX? 0", ""],
ptype=float,
doc="Voltage at Auxilarly input 1",
no_setter=True,
)
AuxIn2 = SCPI_PROPERTY(
scpi_prfx=["OAUX? 1", ""],
ptype=float,
doc="Voltage at Auxilarly input 2",
no_setter=True,
)
AuxIn3 = SCPI_PROPERTY(
scpi_prfx=["OAUX? 2", ""],
ptype=float,
doc="Voltage at Auxilarly input 3",
no_setter=True,
)
AuxIn4 = SCPI_PROPERTY(
scpi_prfx=["OAUX? 3", ""],
ptype=float,
doc="Voltage at Auxilarly input 4",
no_setter=True,
)
if __name__ == "__main__":
import pyvisa
print("testing")
rm = pyvisa.ResourceManager()
print(rm.list_resources())
instr = rm.open_resource("TCPIP::192.168.0.51::INSTR")
lockin = SRS_SR865A(instr)
print("------ Header start -------------")
print(str.join("\n", lockin.getHeader()))
print("------ Header ends -------------")
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