Found in Motorola documentation from the 1970s, this circuit makes use of period components. The lamp is used as a stabilizing device. The signal is sinusoidal.
Critical components of this project are the Geiger tube and the 300V battery. The battery can be...
Found in a 1967 Ferranti documentation, this regulator makes use of an operational amplifier of the...
Found in a Popular Electronics from the 90's, this circuit can generate frequencies according to the...