Kevin,

I downloaded the file from the location listed and checked the diagram out.

I have a question regarding the bottom of the 2 pictures.

1. If the level of either input is changed, will this alter the level of the
other input?

2. can one add extra inputs to the circuit, I want to use an circuit that
will allow 4-6 inputs with 2 outputs.

3. I would like to look at using a IC switch on the above 6 inputs, that
allow the inputs to be switched when required? Believe the IC would be a
4040, but I would have to double check. I know some repeater controllers use
this chip to control the audio paths.

I will attempt to draw a circuit of my thoughts if this would help, but I
think the above may explain enough.


Regards

Kevin, ZL1KFM

----- Original Message ----- 
From: "Kevin Custer" <[EMAIL PROTECTED]>
To: <[email protected]>
Cc: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Friday, September 10, 2004 7:17 AM
Subject: Re: [Repeater-Builder] Audio mixer circuit


> Steaven Rogers, W4YI wrote:
>
> >I am needing to mix two RX audio lines to feed into a CAT300DX
> >controller.  I think I may have found a circuit that will work, but I
> >would like to see ideas from others.
> >
>
> http://www.repeater-builder.com/tech-info/pix/link_circuits.gif
>
> Bottom of image - only need one output pot for your application.
>
> Hope this helps...
> Kevin Custer
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>





 
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