[ARC5] R-27/ARC-5 Hookup Question

[J. Forster]

I'm not so sure that's a good idea.

Among other things it dissipates a lot of power in one of the screen
resistors (near 9W) and pulls roughly 35 mA from the dyno.

-John

=============


> On 07/19/2013 05:46 PM, J. Forster wrote:
>> Does anyone have an opinion why they bothered to bring the screen
>> saupply
>> out to a pin?
>>
>> -John
>>
>>
>
> Hi John,
>
> I've been looking at that connection to use it in a (reversible)
> modification as a gain reduction line for monitoring the transmitter
> without use of a sidetone. It would remove or reduce the screen voltage
> on the IF and RF amps when that terminal is pulled to ground. With
> blocked grid keying in the transmitter It would afford full QSK CW.
>
> 73,
>
> Bill  KU8H
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