View source for 3A1

{{Plugin Sidebar
|manufacturer=Tektronix
|series=560-series scopes
|type=3A1
|summary=10 MHz dual-trace amplifier plug-in
|image=Tek 3a1 front.jpeg
|caption=Type 3A1 front view
|introduced=1962 
|discontinued=1968
|manuals=
* [[Media:070-343.pdf|Tektronix 3A1 Manual 070-343]]
* [[Media:070-0343-01.pdf|Tektronix 3A1 Manual 070-0343-01]]
* [https://bama.edebris.com/download/tek/3a1/3a1.djvu Tektronix 3A1 Manual] (DjVu @ BAMA)
* [[Media:Tek 3a1 fcp nov 1963.pdf|Tektronix 3A1 Factory Calibration Procedure, November 1963‎]]
}}
The '''Tektronix 3A1''' is a 10 MHz dual-trace amplifier plug-in for [[560-series scopes]], [[introduced in 1962]]. It is compatible with all the scopes in the 560 series, other than the [[560]] itself, and also with the [[129]] four bay enclosure and power supply.

{{BeginSpecs}}
{{Spec | Bandwidth       | 10 MHz }}
{{Spec | Risetime        | 35 ns }}
{{Spec | Deflection      | 10 mV/div to 10 V/div, 1−2−5 sequence}}
{{Spec | Input impedance | 1 MΩ // 47 pF }}
{{EndSpecs}}