We found this antenna amplifier or Booster circuit in an Electronics Now from the 90s. The circuit can be implemented with equivalent transistors like the BF494.
We found this circuit in the November 1992 Radio Electronics magazine. It works with both...
This circuit was found in a 1969 CQ magazine. It is intended for coupling telephones to radio...
The circuit shown in the figure consists of a low voltage dropout (LDO) regulator for 200 mA using...