This circuit with TTL integrated circuits was found in the December 1987 issue of Radio Electronics magazine. The circuit uses a LED scale and is suitable for gaming applications.
Originally recommended to give a tone of transmission in equipment of the 60s (tubed) this circuit is...
Found in a 1967 Electronic Design, this circuit operates in a range of 0 to 1 V input with...
This small transmitter circuit has a range of about 100 meters, and the antenna must be connected to...