Tektronix 7904A Oscilloscope

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Tektronix 7904A Oscilloscope
General Info
Manufacturer Tektronix
QR Code
(Click for Asset Tag)


Tektronix 7904A Oscilloscope in a Tek Lab Cart Model 3

Modules

  • (3) 7A26 Dual Trace Amplifier
  • (2) 7A24 Dual Trace Amplifier
  • 7A14 Current Probe Amplifier
  • 7B52A Dual Time Base
  • (2) 7B53A Dual Time Base
  • 7D13A Digital Multimeter

Examples

Example Info
Condition Untested


Repairs - Modifications

2025-11

  • After opening the PSU it was discovered that it has a single Rifa capacitor in it that is a hybrid resistor RC filter meant to prevent arcing. I'm unsure of it's use in this device but deemed it not worth risking powering with or without an equivalent replacement installed.

Photos

  • Modules

    Modules

  • Camera addon for recording traces

    Camera addon for recording traces


External links

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