This is the commercial circuit for the TRF-44 amplifier sold in Japan in the 1960s. The circuit provides a few hundred milliwatts and is intended to be used as small, battery-powered turntables.
This circuit, for bands above 15 MHz, was found in an Argentine publication from the 1970s. The L1...
May 2017 - The new Wolfspeed 650 V Schottky rectifier diodes can now be purchased from Mouser...
The action of this circuit, found in a 1977 amateur radio documentation, is like to a delay line....