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Re: Oscar 11 demodulator



I too, built a demod using the XR-2211 back in the early 80's and it is
still working very well. Used the app notes.

Rick  WB3CSY


On Mon, 23 Jul 2001, Howie DeFelice wrote:

> I have had very good success building FSK demods using the XR-2211 phase
> lock loop IC. This chip was designed specifically for general purpose FSK
> demodulation. I know it is still available through Jameco Electronics and
> probably others.  I have found this chip to perform better than phone modem
> IC's. I even used it to decode HF RTTY with very good results. The
> application notes on the data sheet give all the details you need.
> 
> Howie AB2S
> 
> 
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