This circuit was found in the November 1994 issue of Electronics Now magazine. The circuit is based on the 566 PLL and generates signals up to about 200 kHz.
Found in Analog Devices documentation, this circuit uses components from the time. Formulas for...
This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is...
The presented circuit was found in the National Semiconductor's Linear Applications Handbook from...