The purpose of this circuit is to extend the range of applications from a Darlington pair to DC. The circuit is from an American documentation from 1970.
This sensitive touch key appears on this website from other sources. This version was taken from a...
This nonlinear gain circuit was found in a 1965 Electronic Design. The configuration can be used...
CMOS 4046 (PLL) is not very common. In this circuit it generates short pulses to excite a high...