This 80's circuit uses an audio amplifier to obtain a symmetrical source from a single source. The maximum current is on the order of 1.3 A and the input voltage must not exceed 20 V.
This circuit was found in the Optoelctronics Sourcebook from Texas Instruments. The circuit has a...
With this preamplifier it is possible to use a small speaker as a microphone. The circuit is also...
This circuit can be used as a clok in digital applications. Power supply is 5-V and the pins for...