Slim down circuit. Will it work?

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I pulled this circuit from the Tek S/T schematic. With a few changes, primarily the Tx circuit.

It is configured as an adjustable 2 tone motion detector. For inland hunting. Only setup adjustment is a ground phase trimmer for ferrite reject. Front panel controls are disc. tone, sensitivity and audio(threshold). It is set up in discrim mode only, no all metal switch. No pinpoint either. A turn on and go detector for normal "average" soil.

Will it work?

[Carl-NC]

Looks like all the right elements are there.

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Prototype will be a 2 board layout. Here is the schematic in Diptrace for the Board 1.

[ATTACH]n429382[/ATTACH]