This small receiver for the medium wave range was found in Radio Electronics magazine from July 1958. The circuit is for listening to headphones and powered by batteries.
Found in American documentation from the 90's, this circuit consists of a solid state relay with...
In a voltage follower, the voltage gain is unitary, the input impedance is very high, and the...
Found in an English Maplin magazine in 1983, this circuit has an RIAA equalization. We suggest its...