Friday, December 21, 2012

Adjustable bandwidth


A  MAX7400 is an 8th order elliptical filter giving a 100 Hz to aprox. 3000 Hz tuning rate. It  means much more selectivity in many homebrew receivers.
The output can drive a LM386 . This filter is a must have for cw operators with simple ssb receivers.



Disclaimer:I'm not responsable for any damage due to improper reproduction of my projects.

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