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.
This variable duty cycle circuit was found in the December 1993 issue of Electronics Now magazine. The...
The sensor of this circuit found in Popular Electronics can be formed by a piece of fabric between two...
This circuit is from a 1976 English magazine. The components are common, and the FET can be...