Based on CMOS logic gates, this circuit was found in an Electronic Design from the 90s. The circuit is for voltages from 11 to 15V, but it can be changed,
This circuit was found in a documentation from the 50's. The transistor is made of germanium and...
This circuit is from a Japanese magazine of 1973. The circuit is designed to withdraw the power...
The difference in the circuit shown in the figure, in relation to the CIR8144r, is that it uses a...