[Amps] Pulser

Bob K6UJ k6uj at pacbell.net
Mon Sep 10 17:25:05 EDT 2012


Hi Ed,

Thats what I do, tune up on CW and use the keyer.  High speed dits do the trick.

Bob
K6UJ



On Sep 10, 2012, at 1:48 PM, Edwin Karl wrote:

> The theory behind pulsing when tuning is to tune the radio (remember plate and
> tune controls) without over dissipating the finals (sweep tubes and even the almighty
> 6146 included).
> Works just as well for tube amplifiers. You just send a series of dits using the key and
> peak the output. In my opinion then use a 'scope to check linearity of your amplifier.
> But I'm old and no one seems to use 'scopes anymore.
> But back to square one, you don't need another box in the shack, just use your keyer.
> 
> ed K0KL
> 
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