Found in a 1969 Ferranti documentation, this circuit uses only bipolar transistors from that time. Transistors can be replaced with modern equivalents.
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
This circuit was found in the March 1995 issue of Electronics Now magazine. The circuit requires a...
This receiver was found in a documentation by Gernsback from 1960. The circuit uses high impedance...