This circuit is from a 1969 Electronics World. It generates 100 kHz sinusoidal signals determined by the crystal. Capacitors must be ceramic.
This circuit was obtained in Linear Technology documentation from 1993. The circuit provides 3.3 V and...
This circuit is from the National Semiconductor CMOS manual of 1977. What this circuit does is to...
This circuit operates from 25 to 65 kHz depending on the transducer used and the settings. We...