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looking for ASKIR chip

Started by TTman May 6, 2012
I've seen the CS 8130 chip, but it's expensive. Anyone know of an 
alternative ? I'm looking for receive only,(if it exists) 500kHz nom.mod.
Tx is easy with an AVR.... Rx not so easy.
TIA 


On Sun, 6 May 2012 10:08:50 +0100, "TTman" <pcw1.cad@ntlworld.com> wrote:

>I've seen the CS 8130 chip, but it's expensive. Anyone know of an=20 >alternative ? I'm looking for receive only,(if it exists) 500kHz =
nom.mod.
>Tx is easy with an AVR.... Rx not so easy. >TIA=20 >
I don't know what is coming out of the transmitter. If you can provide some specifications for the Tx and the background noise maybe i some tricks i used (20 years ago) with a 1590 half-gilbert cell agc amplifier that may help. ?-)