Differential Pair (CB6134E)

This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be applied to modern equivalent transistors.

| Clique na imagem para ampliar |

Recording Noise Limiter (CB16584E)
This circuit is from 1987 documentation. The original project was carried out with the tape...
Audio Equalizer (CB10401E)
This circuit was obtained in a 1980 English magazine, but it can be easily assembled today, since...
High Impedance Transistor Amplifier (CB12207E)
With this 1-transistor circuit we have a high input impedance and good gain. The circuit is from a...