Gemanium Transistors DC Amplifier (CB14775E)

This instrumentation circuit was found in the 1960 transistor application manual. More modern transistors can be used.

Two outputs DC to DC converter (CB7531E)
This circuit was obtained in Linear Technology documentation from 1993. The circuit provides 3.3 V and...
Pulse Extender (CB1444E)
This circuit is from the National Semiconductor CMOS manual of 1977. What this circuit does is to...
Repellent with 555 IC (CB24933E)
This circuit operates from 25 to 65 kHz depending on the transducer used and the settings. We...