Beat Balance Metal Detector

Here`s a metal detector circuit that frequencies of the two oscillators are then mixed in similar fashion to BFO, to produce an audible heterodyne. On the surface of it, this design would seem to represent little more than a twinned BFO metal detector. What makes the metal detector different above all else ( check a simple metal detector ), and si
Beat Balance Metal Detector - schematic

gnificantly increases its range, is that each coil modifies the frequency of the adjacent oscillator through mutual coupling. This introduces the "balance" that is present in an IB metal detector, and boosts sensitivity well beyond that of BFO. Disclaimer All files are found using legitimate search engine techniques. This site does not and will not condone hacking into sites to create the links it list. We will and do assume that all links found on the search engines we use are obtained in a legal manner and the webmasters are aware of the links listed on the search engines. If you find a URL that belongs to you, and you did not realize that it was "open to the public", please use the report button to notify the blogmaster of your request to remove it or it will remove within 24 hours. This is not an invitation for webblog haters to spam with requests to remove content they feel that is objectionable and or unacceptable. Proof of URL ownership is required. NOTICE: This Blog Has Already Been Reviewed And Accepted By Blogger. com

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