Low noise amplifier (CB8488E)

This low-noise circuit was obtained in a 1969 British documentation. The circuit uses components from that time.

| Clique na imagem para ampliar |

Divider by 6 (CB4618E)
This CMOS circuit divides the frequency of a rectangular signal up to 2 MHz by 6. The supply...
3 V power source small radios (CB8717E)
This simple power supply, which is equivalent to 2 AAA or AA batteries, was found in an Elektor...
Voice activated intercom (CB7828E)
This one-channel circuit was found in a 90s Popular Electronics, functioning as a vox. Components...