This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is powered by 12 V and the power gain is 8.9 dB.
This circuit is from the 80's component manual itself, but can be applied to more modern...
New Low-Power PIC24 “GA7” Microcontroller Family Now Available CHANDLER, Ariz., Dec. 12, 2016 — The...
The JFETs of this old circuit admit modern equivalents and their characteristics determine the maximum...