We had found this circuit in a January 1961 Radio Electronics Magazine. Using it is possible to take measures from the gain of transistor with a common a multimeter.
Found in a magazine 73 for radio amateurs, this circuit operates in the 144 MHz band, at a...
The frequency of this oscillator depends on the crystal. The transistor supports equivalent, and...
This simple bridge circuit can be used for impedance or resistance measurement using a high...