Buffer 4049 (CB26316E)

The purpose of this circuit found in a 1990s Popular Electronics is to increase the current capability of CMOS stages.

Simple MW Receiver (CB10604E)
The circuit presented was obtained from a 1976 Italian Radio Elettronica but can be easily...
Signal follower CK722 (CB23693E)
Using the well-known CK722 and also the CK721, this signal follower or tracer was found in Radio...
PUT neon shutter (CB6686E)
This circuit was found in General Electric documentation from 1964. It makes use of a PUT, called the...