This circuit generates pulses whose frequency depends on C1. The circuit can be powered by voltages from 5 to 15 V. We find this configuration in a Signetics manual.
This circuit is from a 1980s Motorola documentation. The circuit makes use of old components that can in...
This circuit uses a symmetrical power supply, and the motor is for the voltage indicated in the...
This circuit was obtained from Popular Electronics in 1993. It consists of a low frequency...