This small audio amplifier was found in an American publication in 1975, The integrated circuit used is rare today. The circuit was used in portable receivers of the time and other applications.
This circuit is from a 1978 optoelectronics manual from Texas Instruments. The transistor can be a...
This inverter can reach a power of 300 W depending on the transformer used. In this case, a...
This circuit uses an LM3900 transconductance operational amplifier to generate pulses whose...