This 4-waveband converter circuit was found in Radio Craft September 1948. The power supply is not given, but the supply voltages are indicated.
The circuit shown is from the 1977 GE semiconductor manual. More modern equivalent SCRs can be...
This digital clock has a traditional configuration with well-known CMOS integrated circuits. The...
The base of this circuit is one of the four Norton amplifiers existing in an LM3900 integrated circuit....