This circuit is from an old documentation making use of a 3,579,645 MHz analog color television crystal. The audio amplifier supports the equivalent.
Found in a QST magazine from the 90s, this circuit broadcasts on different amateur radio bands...
The TDA2613, supplied in a 9-pin SIL enclosure, provides a 6-watt power rating of 8 ohms with a...
This circuit was found in the February 1993 Radio Electronics magazine. The frequency depends on...