This small signal amplifier circuit was found in Motorola's 1969 documentation. The FET and the transistor can be of any type and is battery powered since the consumption is very low.
The oscillator shown in the figure can generate signals between 3 and 15 MHz approximately, depending...
This instrumentation circuit was found in the September 1989 issue of Radio Electronics magazine....
This circuit can measure audio output power up to 50 W. The circuit is wired to the output of an...