Ooooops, the interest far exeeded my expectations so
rather than doing a bunch of emailing, I posted it on
my webpage.
It may be seen at the very bottom of:
http://wc6w.50webs.com/wc6waccy/index.html?fr40.html
Just click on the schemtic for the large version.
I'll be happy to answer any questions that arise...
73 & Happy Thanksgiving!
Marv WC6W 310 649 3111
--- Radio WC6W <wc6w_amps@yahoo.com> wrote:
>
> In response to private discussions, I've upgraded
> my
> Bird 43 PEP adapter circuit to be accurate with
> modulation frequencies up to 5KHz and added a
> delayed
> release function so that a single dit, or other
> signal
> as brief as 5mS in duration, may be accurately
> measured.
>
> I'll be posting the circuit on my webpage,
> eventually... but, I can send a copy direct if
> anyone
> has an immediate need for same.
>
> And a point of curiosity... Does anyone happen to
> know what technique Bird employs to damp their meter
> response? As part of my work, I happened to
> connect
> an undamped microammeter in parallel with the Bird
> meter and was surprised to observe that the damping
> function was extended to this second indicator.
>
> 73 & Good afternoon,
> Marv WC6W
>
> http://wc6w.50webs.com/
>
>
>
>
>
>
>
>
>
> *
>
>
>
>
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>
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