496 DSP Lock-In Amplifier Module

  • 496 modular DSP lock-in amplifier unit
  • 496 dual-channel lock-in amplifier module in 417 mainframe

This free running and fully automated amplifier measures both channels simultaneously whilst a display reports magnitude, phase, signal to noise ratio and frequency. Data acquisition is fully automated over the USB interface.

Core benefits

Features

  • Double width module housed within the 417/417T unit
  • Front panel or USB 2.0 control
  • Dual input for use with multiple detector configurations
  • Digital signal processing
  • Displays magnitude, phase, frequency and SNR

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- 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

Ordering Information

S400_496 496 DSP Lock-In Amplifier Module

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