This circuit is from a 1968 documentation using one of the first integrated circuits available at the time, the TAA370. The circuit is powered by 1.3 V using a 200 ohm handset.
The circuit we use makes use of Linear Technology's LT3080 (www.linear.com) which consists of a...
This frequency modulated light transmitter is from a 1990s documentation. The circuit may use...
This low Power output stage can source a fraction of watt to a small loudspeaker. The transformer...