Joe,
THANK YOU! You were right. I dumped the
diodes and extra resistor, and changed the
RTS resistor to a 1k ohm and its keying
bueatifully. Exactly the type of help I
was looking for... and an explanation to
go along with it so i understand why i
changed things.
Thanks!!!
Steve, N9OH
--- "Joe Subich, K4IK" wrote:
>
>
> >
> > my ptt circuit uses RTS from the cw serial
> > port, goes through a 4k7 resistors, then
> > in parallel with a diode and another 4k7
> > before hitting a 2n2222.... and then a
> > final diode before having a PTT + and a
> > ground line.
>
> Eliminate the diodes and change to a single 1 K
> resistor.
> You're not providing enough base current for the
> 2N2222
> to fully saturate and the diode in series with the
> output of the 2N2222 causes an additional .7 volt
> drop.
>
> 73,
>
> ... Joe, K4IK
>
>
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