This circuit was obtained from an American 1980s documentation. The frequency depends on the crystal and the circuit may be a PNP that reaches the generated frequency.
Launched in early 1999, the new ADC12181 high-speed A / D converter is suitable for applications...
This circuit was found in a 2005 Linear Technology application manual. The circuit monitors the...
This circuit is from a Harris Semiconductor datasheet from the 80s. However the circuit can be...