7270DSP Lock-in Amplifier

250Khz Digital usb and Ethernet lock-in amplifier


The model 7270 sets a new standard for general-purpose DSP lock-in amplifiers.

Supplier: Signal Recovery


  • Double harmonic, double reference and tandem demodulation mode, input spectrum display
  • Fast Data Processing
  • Reel front panel & Labview Drivers

We’ve taken advantage of the developments in technology since the first DSP lock-in.


  • Frequency range from 1mHz to 250Khz
  • Sensitivity 2nV/2fA
  • 1Mhz sampling for ADC and DAC
  • Dynamic reseve 100dB
  • USB2 et Ethernet

Product applications

  • Scanned probe microscopy
  • Optical mesurments
  • Audio studies
  • Impedance mesurements
  • Atomic force microscopie