Needed a small microphone signal amplifier to connected to the external modulation input of the Wavetek 3001 signal generator so I can test an AM de-modulator.
Nothing fancy here, just basic electret microphone amplifier. Microphone is of the basic type sold for computers voice calls.
The diagram/schematic:
The result:
Works OK for basic testing, maybe in the future will join a noise and dual tone generator.
Have a nice day!
