Quick Start Siren (CB25765E)

We found this circuit in the October 1994 Electronics Now magazine. The CMOS IC is uncommon these days and the output is low power.

| Clique na imagem para ampliar |

Fortune Wheel (CB7004E)
Found in a Popular Elecronics from the 90s, this circuit appears in other versions in this section and...
Complementary emitter follower (CB7979E)
This complementary or bilateral emitter follower was found in American documentation from the 90s....
Schmitt trigger oscillator (CB9628E)
This crystal configuration can be made with triggers of any logic. The frequency is given by the...