This circuit, very critical due to the frequency at which it operates, was found in an American documentation that uses a resonant cavity in a beer can. The transistor can be of any type for RF.
Texas Instruments PCM5242 Audio Stereo Differential-Output DAC is a monolithic CMOS integrated...
This flashing allegory with 555 integrated circuits was found in the Radio Electronics...
) The purpose of this circuit is to increase the sensitivity of an indicating instrument. We found it...