[GreenKeys] Is There A Vacuum Tube Schematic?

[Randy and Sherry Guttery]

PATRICK KELLY wrote:
> Is there a vacuum tube schematic for the circuit to connect a serial ported pc to a teletype machine of any make of model? Is there a way to derive such a schematic? 
The output stage(s) of the URA-8 converter could be used...  shifting 
from +/-3V to enough voltage to drive the 6AQ5s would likely take 
another gain stage, but shouldn't be very difficult to put together...

best regards...

-- 
randy guttery 

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