496 DSP Lock-In Amplifier Module

Electrical

Channel 1 input

Voltage input to lock-in amplifier

Channel 2 input

Voltage input to lock-in amplifier

Input Range

0 to 10V

Input Impedance

100MΩ/25pF, pseudo differential

Reference Input

0 to 5V

Frequency Range

10Hz - 2kHz

Dynamic Reserve

Not applicable - digital demodulation

Gain Ranges

Binary gain, 2-6 to 214

Gain Accuracy

±0.15%

Gain Stability

200ppm/°C

Output Stability

5ppm/°C to 500ppm/°C depending on sensitivity

Time Constant

10ms to 10s

ADC Resolution

16 bit

ADC Speed

52 kHz

Interface and Mechanical

Interface

USB via 417/417T Unit (I2C)

Control

Front panel/ USB

Front Panel Controlled Features

Input select, gain range select, integration time select

Dimensions

Dual width module, 3U high

Connector

BNC

Display

LCD display of signal, frequency, phase and SNR

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