Infinite Impedance (CB6154E)

This circuit is from an American 1967 documentation and can be implemented with modern equivalent transistors. The circuit serves as a Q multiplier.

| Clique na imagem para ampliar |

Electronic Thermometer (CB4306E)
This bargraph-type circuit employs a not very common integrated circuit today, but can be adapted...
RP510L Step-Down 4-A DC-DC Converter
May 2017 - This new Ricoh 4 A current device is now available from Mouser Electronics. The device...
Modulator TDA2002 (CB18091E)
This modulator circuit can be used in AM transmitters up to about 10 W of power. The TDA2002 must...