Suggested by General Electric in a 1968 documentation this integrated amplifier uses a component of the era, the PA237. The circuit runs on 24 V and excites a 16-ohm speaker.
June 2016 - Mouser can immediately deliver the TPS54xx plate for experiments with Buck converters from...
November 2016 - New mCube MC3635 3-axis accelerometers with I2C and SPI interfaces in 1 to 16 g...
This circuit lets through the 300 Hz to 3kHz range that corresponds to the human voice. We found it...