01-25-2023, 07:39 AM
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Guru
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Join Date: Feb 2005
Location: The empire of Cyrus the great
Posts: 802
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Quote:
Originally Posted by Geo
Don't spend your time...
It is a simple modify of an old vlf.
Designer (my friend Rospy) abolished the discrimination stage and connected a 555 for audio. Thats all... don't work as lrl...
btw .. At pcb schematic the round coil is the Tx coil.
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Yes... the circuit design is a VLF metal detector... but keep in mind that the PD Alonso circuit was a heat kit... I heard from friends that the rospy circuit works like LRL.
Did you make the rospy circuit?
Another thing, ask your friend Rospy if his circuit worked as LRL.
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