This 1970 circuit triggers a load when it receives a signal. Components are common and SCR admits equivalent to load.
This circuit has a 100 dB dynamic We found it in a Popular Electronics from the 90s. Equivalent...
The purpose of this Hartley oscillator is to produce the shot effect on a toy or other...
This circuit has a sensitivity of 200 mV providing an RMS power of around 4 W for a load of 8 ohms...