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3A74: Difference between revisions
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This allows each of the input signals to be traced on the screen, one after another. | This allows each of the input signals to be traced on the screen, one after another. | ||
The 3A74 uses Tek-made 185-ohm [[potentiometers]] in for the VAR GAIN controls. | |||
These can be a maintenance issue. | |||
==Links== | ==Links== | ||
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/3A74.htm Tek 3A74 page @ amplifier.cd] | * [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/3A74.htm Tek 3A74 page @ amplifier.cd] | ||
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File:3a74 switching.png|Channel Switching | File:3a74 switching.png|Channel Switching | ||
File:3a74 amp schem.png|Amplifier | File:3a74 amp schem.png|Amplifier | ||
File:Tek 311-0304-00 pot.jpg|VAR GAIN potentiometer, sometimes problematic | |||
</gallery> | </gallery> | ||
[[Category:560 series plugins]] | [[Category:560 series plugins]] | ||