3A5: Difference between revisions
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* [[Media:070-0500-00.pdf|Tektronix 3A5 Manual]] (PDF) | |||
* [http://bama.edebris.com/download/tek/3a5/3a5.djvu Tektronix 3A5 Manual (DjVu)] | * [http://bama.edebris.com/download/tek/3a5/3a5.djvu Tektronix 3A5 Manual (DjVu)] | ||
* [[Media:Tek 3a5 3b5 ieee spectrum june 1966.pdf|Tek 3A5/3B5 ad in IEEE Spectrum, June 1966 (PDF)]] | * [[Media:Tek 3a5 3b5 ieee spectrum june 1966.pdf|Tek 3A5/3B5 ad in IEEE Spectrum, June 1966 (PDF)]] | ||
}} | }} | ||
Revision as of 12:48, 20 August 2021
The Tektronix 3A5 is a 15 MHz "Automatic/Programmable Amplifier" plug-in for 560-series scopes. It can automatically seek and select a suitable deflection factor to display an unknown signal.
Range seeking is initiated through a switch on the unit, a button on the P6030 probe, or a signal through the PROGRAM connector (using a 263 programmer).
The 3B5 is a time base with similar features.
Key Specifications
| Deflection | 1 mV/Div to 50 V/Div , 1−2−5 |
|---|---|
| Bandwidth | 15 MHz (50 V/Div to 10 mV/Div), 5 MHz (5 mV/Div to 1 mV/Div) |
| Seeking circuit frequency range | 30 Hz to 20 MHz |
| Input impedance | 1 MΩ // 24 pF |
Links
- Tektronix 3A5 and 3B5 Automatic Seeking Mode @ YouTube
- Automatic / Programmable Plug-ins @ vintagetek.org
- Tek 3A5 @ barrytech.com
Pictures
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3A5 front
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3A5 gray front
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3A5 inside left
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3A5 inside right
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Manual mode block diagram
