This circuit allows you to vary the duty cycle without changing the frequency. An interesting application for PWM controls. The circuit is from a Radio Electronics magazine from July 1985.
This 2-terminal regulator was obtained from a 1990s National Semiconductor manual. The components admit...
This circuit is from the 1993 Motorola Linear Interface ICs. Equivalent operating may be used and...
We found this circuit in a 1980s Motorola documentation. The circuit makes use of common operating...