This circuit was found in a 1969 Mullard documentation. Used transistors can be replaced with modern equivalents. Output transistors may be BD135 and 136 with heatsinks.
Antenova Grandis antennas can be purchased from Mouser Electronics for frequencies from 868 MHz to...
This circuit is from a specialized documentation in 1992 FETs. The L1 coil has 0.07 uH with...
This circuit makes use of germanium transistors, providing a fraction of a watt power. It was...