This circuit was obtained from an Electronic Design from the 90's. The circuit generates signals at a frequency determined by R and C. The selection by the jumpers determines the PWM modulation.
The circuit shown in figure 1 serves to control a servo motor with a current of up to 200 mA. The...
This is a circuit with a period component that consisted of a voltage reference. The circuit is...
This amplifier, suggested by National Semiconductor (Now Texas Instruments), has high input...