Heterodyne Mixer (CB4291E)

This is a typical 80's FM radio mixer circuit. The circuit was found in a documentation of the time.

| Clique na imagem para ampliar |

Incandescent Lamp Flasher (CB528E)
This low voltage lamp flasher can be powered from 12 V supplies. Frequency is adjusted by P1 and...
Tone Generator (CB3969E)
This circuit was found in an old American documentation on telecommunications. It is suitable for...
Wide Band Oscillator (CB4932E)
The frequency of this oscillator can be set in a range from 5000 to 1. We found it in an old...