3A2: Difference between revisions
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File:3a2 top.jpg | File:3a2 top.jpg | ||
File:3a2 bottom.jpg | File:3a2 bottom.jpg | ||
File:Tek 3a2 ch1 input.png|Channel 1 Input Amp | |||
File:Tek 3a2 ch2 input.png|Channel 2 Input Amp | |||
File:Tek 3a2 switching and output.png|Switching and Output Amp | |||
File:Tek 3a2 attenuator switches.png|Attenuator Switches | |||
</gallery> | </gallery> | ||
[[Category:560 series plugins]] | [[Category:560 series plugins]] |
Revision as of 21:45, 18 November 2014
Template:Plugin Sidebar 2 The Tektronix Type 3A2 is a dual-trace amplifier plug-in introduced in 1963 for 560-series scopes. It was designed for compatibility with the digital unit in the 567, e.g, the 6R1 or 6R1A.
Key Specifications
Bandwidth | 500 kHz |
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Input impedance | 1 MΩ // 47 pF |
Deflection factor | 10 mV/div to 25 V/div |
Internals
The input signal passes through compensated attenuators and then into a 12AT7 cathode-follower stage. Channel switching in ALTERNATE mode is done using diodes. The output stage that drives the vertical deflection plates of the scope uses a pair of 6BA8 pentodes.
Pictures
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Channel 1 Input Amp
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Channel 2 Input Amp
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Switching and Output Amp
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Attenuator Switches