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.
We found this circuit in an English publication from 1977. The circuit is suitable for 9 V loads...
This circuit was obtained in a 80s American documentation for radio amateurs. The circuit produces a...
This circuit measures temperatures from +5 to + 300º F using a sensor from National Semiconductor not very...