This small 1W turntable amplifier was found in the 1975 RCA tube manual. It is a commercial circuit at the time.
The circuit shown in the figure is intended for medical applications where the sector in contact...
This circuit was found in an integrated circuit manual from the 1980s. The circuit can be designed...
This 1969 Electronics World power supply has 5 V to power digital circuits and a 170 V output for...