Unit Gain MOSFET Amplifier (CB6128E)

This Hughes circuit is from 1968. Equivalent modern components can be used. The input impedance is 1000 M ohm.

| Clique na imagem para ampliar |

Parallel Port Interface (CB25730E)
The circuit illustrated in Figure allows external loads (8) to be driven from parallel port...
SCR Simulated Photo Relay (CB14637E)
This circuit uses two transistors to simulate the action of an SCR on a regenerative switch....
High Q Notch Filter (CB14424E)
The filter presented is from 1994 but can be implemented with a more modern equivalent. We found...