Ametek 7270 DSP Lockin Amplifier

class pymeasure.instruments.ametek.Ametek7270(resourceName, **kwargs)

Bases: pymeasure.instruments.instrument.Instrument

This is the class for the Ametek DSP 7270 lockin amplifier

adc1

Reads the input value of ADC1 in Volts

adc2

Reads the input value of ADC2 in Volts

adc3

Reads the input value of ADC3 in Volts

adc4

Reads the input value of ADC4 in Volts

dac1

A floating point property that represents the output value on DAC1 in Volts. This property can be set.

dac2

A floating point property that represents the output value on DAC2 in Volts. This property can be set.

dac3

A floating point property that represents the output value on DAC3 in Volts. This property can be set.

dac4

A floating point property that represents the output value on DAC4 in Volts. This property can be set.

frequency

A floating point property that represents the lock-in frequency in Hz. This property can be set.

harmonic

An integer property that represents the reference harmonic mode control, taking values from 1 to 127. This property can be set.

id

Reads the instrument identification

mag

Reads the magnitude in Volts

phase

A floating point property that represents the reference harmonic phase in degrees. This property can be set.

sensitivity

A floating point property that controls the sensitivity range in Volts, which can take discrete values from 2 nV to 1 V. This property can be set.

set_channel_A_mode()

Sets instrument to channel A mode – assuming it is in voltage mode

set_differential_mode(lineFiltering=True)

Sets instrument to differential mode – assuming it is in voltage mode

set_voltage_mode()

Sets instrument to voltage control mode

shutdown()

Ensures the instrument in a safe state

slope

A integer property that controls the filter slope in dB/octave, which can take the values 6, 12, 18, or 24 dB/octave. This property can be set.

time_constant

A floating point property that controls the time constant in seconds, which takes values from 10 microseconds to 100,000 seconds. This property can be set.

voltage

A floating point property that represents the voltage in Volts. This property can be set.

x

Reads the X value in Volts

x1

Reads the first harmonic X value in Volts

x2

Reads the second harmonic X value in Volts

xy

Reads both the X and Y values in Volts

y

Reads the Y value in Volts

y1

Reads the first harmonic Y value in Volts

y2

Reads the second harmonic Y value in Volts