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AD6655 for a Narrowband CW RX (500Hz to 25KHz)

Question asked by PAC on Aug 5, 2013
Latest reply on Aug 8, 2013 by J.Harris

Hi,

 

My application would be a for narrow band CW Receiver.

Very simple only to measure the CW input power from ~ -135dBm  to ~ 65 dBm  (70 dB dynamic range).

The frequency range from  ~ 700MHz to 2700MHz.

The filter BW from ~ 500Hz to 25KHz.

  

For the front end I am considering your new ADRF6620.

http://www.analog.com/en/rfif-components/mixersmultipliers/adrf6620/products/product.html

The IF would be at 82.2 MHz (50KHz SAW filter)

 

Would it make sense to use the AD6655 and then a FPGA for the narrow band filtering?

 

http://www.analog.com/en/analog-to-digital-converters/integrated-receivers/ad6655/products/product.html#product-evaluationkits

 

or do you have a better line-up recommendation?

 

Thanks

 

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