Stepper Motor Drive (CB21490E)

This circuit was found in a 1967 Electronic Design. The circuit makes use of components from the time. Modern equivalents can be used.

| Clique na imagem para ampliar |

Photo-Oscillator (CB217E)
The frequency of the signal produced by this oscillator depends on the amount of light falling...
1 kHz tuning fork (CB14363E)
The circuit presented is based on a mechanical tuning fork. The circuit is suggested by National...
RC Oscillator with 741 I (CB19111E)
This is a well-known RC oscillator configuration using a 741 operational amplifier. The circuit is from...