This reducer was found in documentation from the 1980s, using transistors of the time. The higher current transistor must have an excellent heat sink.
This circuit was found in an ancient American documentation. The integrated circuit is of the time...
Found in an older Radio Craft, this circuit covers the aerial band from 118 to 136 MHz. No...
This amplifier was found in a Radio Electronics of the 90s. The circuit uses unusual operational...