This 80's circuit uses a germanium transistor like the AC121. The circuit has an output transformer of the type found on many transistor radios of the time.
Suggested by Motorola in 1968 documentation, this circuit has an efficiency of 70%. Power...
Toshiba LDO Regulators Toshiba has a wide variety of low voltage drop (LDO) linear regulators...
Found in a 90s Popular Electronics, this Hartley oscillator uses an output transformer of the type...