This circuit was found in the January 1991 issue of Radio Electronics magazine. The circuit uses integrated circuits of the time and the coils depend on the tuned bands.
This circuit stores the input voltage at each control pulse in the capacitor. One of the common...
This transmitter with counterphase oscillator was obtained in a documentation from the 90s. The...
We found this circuit in the November 1984 Radio Electronics magazine. The base frequency is given...