Field circuit diagram of the needle

Posted on Mar 28, 2007

Antenna is about 20cm of insulation made of strands, these strands glued around inside a small plastic box. RF current by two diode rectifier, a 10k potentiometer to pin field

Field circuit diagram of the needle
Click here to download the full size of the above Circuit.

provides a variable attenuator.

Leave Comment

characters left:

New Circuits



Popular Circuits

Photoelectric switch
Siren alarm simulates star trek red alert
Simple crowbar
continuity tester circuit
laser asc
8-bit Digital to Analog converter (DAC)
Controllable integrator F007 schematic
Mini transistor Transmitter 50mW schematic