The capacitors on this circuit determine the frequency that this circuit can detect. We can adapt it to work as an interesting shield detector for logic signals.
This circuit was found in an old Philips publication. The circuit supplies a voltage corresponding to 4.5 V...
This circuit was found in Radio Electronics from the 90s. It uses a transconductance operational...
This 500 MHz oscillator has an output power of 1 W when powered by a 20 V source. The circuit was...