This circuit was published in Radio Electronics magazine in June 1959. The circuit uses an inverter with transformer to generate the high voltage of the Geiger tube.
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...