The 1: 1 transformer on this circuit found in a 1967 Electronics World can be wrapped around a small ferrite rod. The circuit operates with 600 to 6 000 Hz control signals.
This circuit was found in the PC documentation from 1996. The maximum current of the motor is...
This circuit is from the time when the 741 was first introduced. It was published in the February 1971...
Only two transistors are used in this preamp for low-sensitive transducers, such as guitar and...