7A15

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Tektronix 7A15
80 MHz vertical amplifier
7A15 (manual page)

Compatible with 7000-series scopes

Produced from 1971 to 1987

Manuals
Manuals – Specifications – Links – Pictures

The 7A15 is a single channel, 80 MHz general-purpose vertical amplifier for 7000-series scopes. The AM-6565/U (aka 7A15N11) is the military version of this amplifier. A Department of the Army Technical Bulletin (see links section) suggests that it was used with the 7603 and its military version (the AN/USM 281C).

The 7A15A is a fully discrete design (i.e. no integrated circuits), built mostly from BJTs, with a 151-1032-00 dual JFET as the front-end buffer.

Specifications

Bandwidth 0 – 80 MHz (DC), 1 Hz – 80 MHz (AC)
Deflection 5 mV/Div to 10 V/Div in 1–2–5 sequence
Input impedance 1 MΩ // 20 pF
Features
  • ×10 switch to extend sensitivity to 0.5 mV/Div (at 10 MHz bandwidth)
  • Invert switch
  • Probe ×10/Identify sensing input

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