7A15

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

Compatible with 7000-series scopes

Produced from 1970 to 1987

Manuals
Manuals – Specifications – Links – Pictures

The 7A15 is a single channel, 80 MHz general-purpose vertical amplifier for 7000-series scopes. It was designed by Tom Rousseau.

The AM-6565/U (aka 7A15N11) is the military version of this amplifier (without readout). 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.

Key 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

Links

Patents that may apply to 7A15

Page Title Inventors Filing date Grant date Links
Patent US 3562464A Cam actuated switch having movable and fixed contacts on circuit board Howard Vollum Willem H Verhoef Tony Sprando 1968-10-07 1971-02-09
Patent US 3719788A Switch having ganged contacts mounted on opposite sides of circuit board Ken Holland Tony Sprando 1971-02-04 1973-03-06
Patent US 3753170A Step attenuator apparatus having attenuator stages selectively connected in cascade by cam actuated switches Ken Holland 1971-02-10 1973-08-14
Patent US 3900711A Electrical contactor assembly for high frequency applications Ken Holland 1974-02-04 1975-08-19

Pictures

7A15

7A15A

AM-6565/U

PL-1186C

Components

Some Parts Used in the 7A15

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Some Parts Used in the 7A15A

Part Part Number(s) Class Description Used in
151-1032-00 151-1032-00 Discrete component dual n-channel JFET (selected) 7A15A 7A26