455 kHz FI amplifier (CB8410E)

This circuit is from a 90s Popular Electronics. The circuit employs a ZN461E that is not a common component today.

| Clique na imagem para ampliar |

Small Audio Amplifier (CB14736E)
This amplifier was found in a 1957 Rayrtheon documentation. The circuit can be fitted with a BC558...
Constant Speed Motor Control (CB24127E)
This circuit was obtained from the May 1971 issue of Radio Electronics magazine and is intended for...
Triggered Astable NOR Gate CMOS 2 (CB10729E)
Although it is a common configuration today, this circuit was taken from an old publication. The...