This timing circuit was found in old documentation. The technology is CMOS. The supply can be made with voltages from 3 to 12 V. The time depends on R1 and C1.
This frequency standard for tuning guitars and other musical instruments was found in the November...
We found this circuit in the December 1994 Electronics Now magazine. The worthless components are...
This oscillator was found in a European circuit manual from the 1980s. The configuration can be...