This sophisticated transmitter was found in the June 1993 issue of Electronics Now magazine. The transmitter consists of a dedicated integrated circuit of the time.
The basic purpose of this circuit is to apply an audio signal to a video carrier for sound and...
Found in a 73 magazine for radio amateurs of the 1980s, this circuit uses a dual-gate MOSFET. This...
We found this Vox in a 1969 Motorola documentation. Transistors support modern equivalents and the SCR can...