ADA400

The Tektronix ADA400 Differential Preamplifier allows direct oscilloscope measurements of very low amplitude voltages and signals which are not ground referenced. It attaches to a scope or 1103 power supply through a Tekprobe BNC connector.

Tektronix ADA400
Differential preamplifier Tektronix ADA400 Differential Preamplifier Produced from 1995 to (?) Manuals Tektronix ADA400A Manual -02 Tektronix ADA400A Manual -01 Tektronix ADA400A Manual -00 Biophysical Measurements Using the TDS400A Personal Lab Scope (All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

Features:

10 µV/div sensitivity
Typically 100 dB CMRR from DC to 10 kHz
Selectable bandwidth limiting
Adjustable differential offset
"Infinite impedance" mode in the two highest gain ranges