Common gate stage (CB7470E)

This circuit for FET was obtained from a 1977 Radio Handbook. The input impedance is 150 ohm. The output is high impedance.

LDR Sensitive Passage Sensor (CB24482E)
This circuit is more sensitive than the previous one, in the sense that we can use weaker and more...
100-second monostable (CB25671E)
This 3-transistor timer was found in the January 1994 issue of Electronics Now magazine. The...
Bistable with two 555 (CB1294E)
This circuit appears in other articles in this section, but it is very interesting. It is a...