This circuit was found in an American magazine 73 for radio amateurs of the 80s. It is an automatic transmission circuit for telegraphy. The circuit is TTL.
This circuit sources a ramp signal with characteristic given by the diac. The circuit is powered...
Found in old documentation, this circuit is intended for low level amplitude modulation with low...
Found in an article in the August 1971 Radio Electronics magazine, this circuit supports 106...