Micro amplifier (CB23672E)

This three-transistor circuit was found in Radio Electronics magazine from May 1969. The circuit is for hearing aids and has earphone listening.

| Clique na imagem para ampliar |

Class A No Distortion Amplifier (CB6124E)
This low distortion circuit was found in a 1964 Electronic Design. The transistor admits...
Optocoupler Code Practice (CB26321E)
This ingenious circuit was found in a 1990s Popular Electronics. The oscillator is a 555 and the...
Crowbar (CB4862E)
This short circuit protection circuit accelerates the blown fuse in case of an output overcurrent. The...