Found in a 1970s American documentation, this circuit uses components from the era that can eventually be replaced by modern equivalents. The power supply must be symmetrical.
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...