Multimeter protector C (CB8383E)

Found in a 1966 Electronics World, this circuit applies to the protection of any analog instrument. The diodes can be of any general-purpose type.

| Clique na imagem para ampliar |

Treble Booster (CB12322E)
We found this trebble booster circuit in a 1990 documentation. The components are current, and the...
NAB Preamplifier (CB846E)
This preamplifier is intended for the use with magnetic pick-ups. Power supply must have voltages...
CMOS Voltage Doubler (CB1241E)
Needing a higher output current in a voltage doubler, we can connect inverters in parallel, as...