Found in a QST magazine from the 90s, this powerful unit is intended to supply a VHF transceiver for the 144 MHz band with 1.2 kW of power.
The circuit was originally designed to operate with MSX microcomputers in 1988 but can be used to...
This amplifier can be powered with voltages between 2 and 5 V with power up to 100 mW. The minimum...
This circuit is from the 1983 Intersil Databook. The circuit operates on a 9 V battery and has a...