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Re: [Amps] Bird 43 PEP adapter update

To: amps@contesting.com
Subject: Re: [Amps] Bird 43 PEP adapter update
From: Radio WC6W <wc6w_amps@yahoo.com>
Date: Mon, 19 Nov 2007 12:42:44 -0800 (PST)
List-post: <mailto:amps@contesting.com>
  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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