This circuit is from a 1992 publication and is based on CMOS technology. The circuit is powered by a 6 V source and the displays are of common cathode.
This circuit, which is also a leak meter, has a detection resistance of billions of ohms. We found...
With the precision given by the crystal this circuit provides signals of several frequencies for the...
January 2017 - New ROHM TFZV series of zener diodes is now available from Mouser Electronics. The...