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 can drive a loudspeaker with near 1 W of Power from 6 to 9 V supplies. The circuit...
This circuit was found in the January 1991 issue of Radio Electronics magazine. The circuit uses...
The acquisition of data, from a transducer, so that these data can be converted to digital form...