[Amps] Are exciter RF delays to prevent hot keying cataloged anywhere?

James Colville jimw7ry at gmail.com
Wed Mar 17 21:39:32 PDT 2010


The 751A is about 10 ms and it's adjustable with an internal pot. It's
alignment is detailed in the service manual.

73
Jim W7RY



On Wed, Mar 17, 2010 at 8:36 PM, Rob Stampfli <rob at cboh.org> wrote:

> I know most rigs employ a delay of some milliseconds between the time
> when their amp relay closes and RF transmission begins in order to prevent
> hot keying problems.  On some, this is even an adjustable parameter, but
> on most it is fixed.
>
> Has anyone compiled a list of delay values for the various commercial
> transceivers that have been sold over the years?  It would seem that
> such a list would be quite useful to hams trying to retrofit a new amp
> into their shack.  In addition to the delay figure, one could also add
> the voltage/amperage limits of the keying circuit, too.
>
> Inquiring minds...
>
> Rob / KD8WK
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>


More information about the Amps mailing list