Buffer 4049 (CB26316E)

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

36 to 100 kHz Oscillator (CB14053E)
This configuration, which produces a rectangular signal compatible with CMOS and TTL logic, was...
Inverter Comparator with hysteresis (CB5080E)
This circuit was obtained in an old American manual. The circuit is valid for any operational. The...
Flip flop rectangular generator 7400 (CB22409E)
The circuit below shows how to configure 3 gates of a 7400 to obtain a rectangular signal from a...