This circuit is from 1999 documentation. The integrated circuit used is not very common today. Both transistors are used if the motor current is greater than 500 mA.
We find this circuit in a documentation for engineers from 1971. The circuit generates rectangular and...
This is an integrated recommended for portable amplifiers, recorders, and battery powered radios. It...
This transistor amplifier from the 1950s had gain of 10. The circuit is from Radio Electronics, from the...