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 |

Battery Regulator (CB1174E)
This circuit consists of a voltage regulator for 6 V batteries with a very low voltage drop. The...
Beat Frequency Oscillator (CB25319E)
This BFO or OFB for listening to SSB (Single Sideband) signals was found in the January 1996 issue...
Audio Line Amplifier (CB4769E)
We found this circuit in a European publication from the 1990s. Transistors are still common types...