We found this circuit in an old publication. The components used are rare today. Accuracy depends on the resistors in the input selection network. The circuit operates from 10 to 500 kHz.
This circuit was found in an old 1980s valve documentation. The circuit can directly replace a...
This circuit is from an 80's component manual. However, the circuit may be of a modern equivalent...
Found in an Electronic Design from the 90s, this circuit makes use of a PLL CMOS. Values for...