>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>On Behalf Of Bob Blick
>Sent: 24 January 2007 20:11
>To: Microcontroller discussion list - Public.
>Subject: Re: [PIC] Circuit Comment and Critique
>
>
>Hi Rolf,
>
>You are switching the ground for your RF circuit and antenna. 
>Even if you added additional AC coupling to ground it still 
>seems like a bad idea to me and something I would never do 
>unless circumstances forced me, and then I'd test it both ways.
>

That was one of the first things that I noticed and I agree it's asking for problems.  For the cost of an extra transistor, a P channel MOSFET or even a cheap PNP bipolar switching the positive line with some decoupling after it would be a much more comfortable solution.

Regards

Mike

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