1-cycle-per-30-day oscillator (CB26073E)

This extremely slow circuit produces one pulse per month and can be used in a timer. We found it in the November 1998 Electronics Now magazine.

| Clique na imagem para ampliar |

Educational Counter (CB24770E)
This counter was found in the November 19983 issue of Radio Electronics magazine. The power supply...
Didactic Flip Flop LM3900 (CB13716E)
This circuit is from Radio Shack documentation from 1977. It aims to demonstrate the principle of...
Hybrid Amplifier (CB25724E)
This interesting high-quality amplifier configuration was featured on the cover of the June 1994...