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 |

Control switch (CB9264E)
Found in a 1969 EDN, this circuit uses components from that time. Modern equivalent transistors can be...
OC71 and OC72 amplifier (CB18853E)
This amplifier with old germanium transistors is from a 1957 documentation. The power is a few...
Universal Filter (CB14922E)
We found this circuit in an American documentation from the 90s. The circuit combines functions of 4...