This super regenerative detector circuit was found in an English documentation from 1963. The coil is frequency compliant. The transistors are germanium of the time.
This 2000 circuit can be used to match the low impedance of a microphone to the high input...
Figure Bellow shows how to interface CMOS circuitos with TTL using the 4049 or 4050 IC. The power...
The basis of this circuit is a National Semiconductor operational amplifier that functions as a...