from typing import Any, Union
import numpy as np
from qcodes.instrument import VisaInstrument
from qcodes.validators import Enum, Numbers
[docs]
class AgilentE8267C(VisaInstrument):
"""
This is the QCoDeS driver for the Agilent E8267C signal generator.
"""
def __init__(self, name: str, address: str, **kwargs: Any) -> None:
super().__init__(name, address, terminator="\n", **kwargs)
# general commands
self.add_parameter(
name="frequency",
label="Frequency",
unit="Hz",
get_cmd="FREQ?",
set_cmd="FREQ {}",
get_parser=float,
vals=Numbers(min_value=100e3, max_value=40e9),
)
self.add_parameter(
name="freq_offset",
label="Frequency offset",
unit="Hz",
get_cmd="FREQ:OFFS?",
set_cmd="FREQ:OFFS {}",
get_parser=float,
vals=Numbers(min_value=-200e9, max_value=200e9),
)
self.add_parameter(
"freq_mode",
label="Frequency mode",
set_cmd="FREQ:MODE {}",
get_cmd="FREQ:MODE?",
vals=Enum("FIX", "CW", "SWE", "LIST"),
)
self.add_parameter(
"pulse_width",
label="Pulse width",
unit="ns",
set_cmd="PULM:INT:PWID {}",
get_cmd="PULM:INT:PWID?",
vals=Numbers(min_value=10e-9, max_value=20e-9),
)
self.add_parameter(
name="phase",
label="Phase",
unit="deg",
get_cmd="PHAS?",
set_cmd="PHAS {}",
get_parser=self.rad_to_deg,
set_parser=self.deg_to_rad,
vals=Numbers(min_value=-180, max_value=179),
)
self.add_parameter(
name="power",
label="Power",
unit="dBm",
get_cmd="POW?",
set_cmd="POW {}",
get_parser=float,
vals=Numbers(min_value=-135, max_value=25),
)
self.add_parameter(
name="power_offset",
label="Power offset",
unit="dBm",
get_cmd="POW:OFFS?",
set_cmd="POW:OFFS {}",
get_parser=float,
vals=Numbers(min_value=-200, max_value=200),
)
self.add_parameter(
name="output_rf",
get_cmd="OUTP?",
set_cmd="OUTP {}",
val_mapping={"OFF": 0, "ON": 1},
)
self.add_parameter(
name="modulation_rf",
get_cmd="OUTP:MOD?",
set_cmd="OUTP:MOD {}",
val_mapping={"OFF": 0, "ON": 1},
)
# reset values after each reconnect
self.power(0)
self.power_offset(0)
self.connect_message()
self.add_function("reset", call_cmd="*RST")
# functions to convert between rad and deg
[docs]
@staticmethod
def deg_to_rad(
angle_deg: Union[float, str, np.floating, np.integer]
) -> "np.floating[Any]":
return np.deg2rad(float(angle_deg))
[docs]
@staticmethod
def rad_to_deg(
angle_rad: Union[float, str, np.floating, np.integer]
) -> "np.floating[Any]":
return np.rad2deg(float(angle_rad))