tdehaeze/nass-micro-station-measurements
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Equipment used to make the measurements

Geophone

L22

Speedgoat

ADC and DAC:

Voltage amplifier

/tdehaeze/nass-micro-station-measurements/media/commit/f7b4a29c9673d2e16a1738605be50b5941ba1ae3/equipment/img/DLPVA_W_R2.jpg

Specifications:

  • Switchable gain up to 100 dB (x 100,000)
  • Bandwidth DC to 100 kHz
  • DC-drift 0.6 µV/°C
  • Input noise down to 0.4 nV/√Hz
  • Switchable AC/DC-coupling
  • Local and remote control
  • Input impedance up to 1 TΩ

The documentation of the voltage amplifier is accessible here.

The exact model is DLPVA-100-B-D