This circuit is from a 1973 documentation, using germanium transistors common at the time. The power is only 1.5 V and the microphone is dynamic. The circuit has excellent gain.
Hearing Aid Amplifier (CB15116E)
- Details
- Written by: Newton C. Braga
This circuit is from a 1973 documentation, using germanium transistors common at the time. The power is only 1.5 V and the microphone is dynamic. The circuit has excellent gain.
