Intercom gain remote control (CB6294E)

This circuit was found in a 1964 Electronic Design. The circuit can be implemented with equivalent modern transistors. Note the high supply voltage.

| Clique na imagem para ampliar |

MAX4007 Nano Power Operational Amplifier
April 2017 - Mouser Electronics already has the MAX4007 from Maxim Integrated in its inventory, an...
Encoder with the 4017 (CB4528E)
This circuit was obtained from an English magazine from 1979, but can be easily assembled today...
Astable Flasher (CB12606E)
Found in a 1978 publication, this circuit uses germanium transistors and drives a small 20 to 50...