This small transmitter appeared in the March 1989 issue of Radio Electronics magazine. The two-transistor circuit used an electret microphone and had a range of a few dozen meters.
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
We found this circuit in a 1989 publication. Its purpose is to produce noise in the VHF or UHF...
This low-frequency relay oscillator was obtained from an article in Electronics Now magazine in...