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Forty meter homebrew radio into Tupperware

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Uploaded by on Sep 9, 2011

This is a frequency counter of HamradioIndia web. I finished It yesterday. Now I am trying it. I used the 16F628A pic.
The Frecuency counter works but It's deaf. The receiver is the SA612 (NE602) with LM386. The carrier of the oscillator is weak. I made a preamplifier. It`s the other circuit. I assembled it on a tuna tin tap.


Haciendo pruebas con el frecuencimetro que monté de la web Hamradioindia. Le tuve que añadir un preamplificador porque le faltaba sensibilidad.

http://www.hamradioindia.org/circuits/fcountlcd.php

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