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Telequipment Type A: Difference between revisions
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The Telequipment Type A plug-in, also known as the 43A, is a 15 MHz vertical plug-in for the S43 and D43. | The Telequipment Type A plug-in, also known as the 43A, is a 15 MHz vertical plug-in for the S43 and D43. | ||
The Type A is four-stage fully differential DC-coupled all-tube amplifier. | |||
The input impedance is 1 MΩ in parallel with 40 pF. | |||
The Type A drives the CRT deflection plates directly via [[ECC88]] cathode-followers. | |||
* [[Media:Telequipment type a schematics.pdf|Telequipment Type A Plug-in Schematics (PDF)]] | * [[Media:Telequipment type a schematics.pdf|Telequipment Type A Plug-in Schematics (PDF)]] | ||