def frequency(self, frequency):
"""Defines RF frequency"""
if self.has_doubler:
truncated_range(frequency, (SG380.MIN_RF, 2*SG380.MAX_RF))
else:
truncated_range(frequency, (SG380.MIN_RF, SG380.MAX_RF))
self.write("FREQ%.6f" % frequency)
def frequency(self, frequency):
"""Defines RF frequency"""
if self.has_doubler:
truncated_range(frequency, (SG380.MIN_RF, 2*SG380.MAX_RF))
else:
truncated_range(frequency, (SG380.MIN_RF, SG380.MAX_RF))
self.write("FREQ%.6f" % frequency)
def configure_frequency_array_measurement(self, n_samples, channel):
"""
Configure the counter for an array of measurements.
:param n_samples: The number of samples
:param channel: Measurment channel (A, B, C, E, INTREF)
"""
n_samples = truncated_range(n_samples, [1, self.MAX_BUFFER_SIZE])
channel = strict_discrete_set(channel, self.CHANNELS)
channel = self.CHANNELS[channel]
self.write(f":CONF:ARR:FREQ {n_samples},(@{channel})")
def wavelength(self, value):
"""Wavelength in nm."""
if self.wavelength_settable:
# Store min and max wavelength to only request them once.
if not hasattr(self, "_wavelength_min"):
self._wavelength_min = self.wavelength_min
if not hasattr(self, "_wavelength_max"):
self._wavelength_max = self.wavelength_max
value = truncated_range(
value, [self._wavelength_min, self._wavelength_max])
self.write("SENSE:CORR:WAV {}".format(value))
else:
raise AttributeError(
f"{self.sensor_name} does not allow setting the wavelength.")
def test_truncated_range():
assert truncated_range(5, range(10)) == 5
assert truncated_range(5.1, range(10)) == 5.1
assert truncated_range(-10, range(10)) == 0
assert truncated_range(20, range(10)) == 9
def voltage(self, level):
voltage_range = [0, 5] if self.channel == 3 else [0, 30]
new_level = truncated_range(level, voltage_range)
self.write("SOURce:VOLTage:LEVel:IMMediate:AMPLitude %g" % new_level)
def test_truncated_range():
assert truncated_range(5, range(10)) == 5
assert truncated_range(5.1, range(10)) == 5.1
assert truncated_range(-10, range(10)) == 0
assert truncated_range(20, range(10)) == 9