3A7: Difference between revisions
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|manufacturer=Tektronix | |manufacturer=Tektronix | ||
|type=3A7 | |type=3A7 | ||
|summary=Differential amplifier | |summary=Differential amplifier plug-in | ||
|image=Tek 3a7 front.jpeg | |image=Tek 3a7 front.jpeg | ||
|caption=3A7 front view | |caption=3A7 front view | ||
|introduced=1965 | |introduced=1965 |
Revision as of 07:12, 28 November 2023
The Tektronix 3A7 "Differential Comparator" is a differential amplifier plug-in for 560-series scopes. It provides a precision variable DC source, allowing an input signal to be shifted by a specific voltage offset.
Key Specifications
Bandwidth | 10 MHz in 10 mV/div and above, 8 MHz at 5 mV/div, 6 MHz at 2 mV/div, 4 MHz at 1 mV/div |
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Deflection | 1 mV/div to 50 mV/div (1–2–5), variable control up to 125 mV/div, separate 1–10–100–1000× attenuator, i.e. up to 50(125) V/div |
Display modes | A - Vc, A - B, Vc - B |
Comparison voltage | 0 to ±1.1 V or 0 to ±10 V, 10 coarse steps plus 10-turn pot with mechanical readout |
Calibration Fixtures
- 067-0503-00 Precision DC Divider, ×10/×100
Pictures