This PLL circuit was found in the April 1978 issue of Radio Electronics magazine. The circuit is powered with up to 15 V voltages from a symmetrical source.
This circuit was obtained from Linear Technology's own component manual of the 1990s. The circuit...
This circuit had its assembly described in Radio Electronics from July 1964. The circuit uses LDRs...
Found in a 1970's Radio Electronics, this circuit uses a triac to switch loads on the AC network. This...