The Tektronix A6501 is a FET-input buffer amplifier on a thick-film hybrid module.

Tektronix A6501
FET-input buffer amplifier
Tektronix A6501

Produced from 1990 to (?)

Manuals
(All manuals in PDF format unless noted otherwise)

It has a DC to 1 GHz bandwidth, and ×10 voltage attenuation when driving a 50 Ω impedance.

The amplifier is designed for custom placement on a probe card or test fixture. The input signal is connected via a solder pad, the output via a Peltola connector.

Key Specifications

Voltage gain: 0.1 (−20 dB)
Frequency range DC to 1 GHz
Rise time 350 ps
Input impedance 1 MΩ // ≤2.5 pF
Output impedance 50 Ω
Power supply +15 V 20 mA, −15 V 20 mA, +5 V 20 mA, −5 V 20 mA

Photos