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**mikebg** · 04-06-2012, 04:04 PM

The TX circuit (oscillator) discussed above in this thread has very serious shortcomings. They are described in other thread:

IDX-PRO+VDI - Geotech Forums

http://www.geotech1.com/forums/showpost.php?p=147393&postcount=612

General tech discussions on all types of metal detectors: VLF, 2-box, BFO, off-resonance, PLL, etc. Questions, ideas, and anything else that moves you.

Here is a circuit diagram of TX which operates much better

Attached Files

TX in Relic Hawk.GIF (12.9 KB, 218 views)

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Interesting Oscillator

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