3A7
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