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Build the Frisker - BFO Metal Detector I

Build the Frisker - Part I

by William Sheets & Rudolf F. Graf

This project is a BFO packaged as a handheld device. The reference oscillator is a crystal, and the search oscillator is tuned with a varactor using a potentiometer. It appeared in the November 2002 issue of Poptronics, which is now the Poptronix website.

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Keywords: BFO Metal Detector 

Posted by: Simpson January 24, 2009, 08:35:42 am

Rating: ***** by 10 members.

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Posts: 0
April 03, 2017, 09:43:10 am
thanks a lot !
September 12, 2010, 10:36:01 am
March 06, 2010, 02:58:03 am

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