Obtained in a 1969 Ferranti documentation, this circuit dissipates only 2.2 mW with 4.5 V. The circuit can be designed based on modern equivalent transistors.
September 2016 - can be purchased from Mouser Electronics the new transceivers MAX348x and MAX349x from...
The circuit was found in the February 1992 Radio Electronics magazine. The scale can be changed by...
This amplifier is from a 1973’s Japanese magazine. The transistors are of the time and the power...