Differential Output Amplifier (CB6135E)

This circuit of old American documentation (1965) can be applied to any transistor.

| Clique na imagem para ampliar |

Wiper Water Sensor (CB4968E)
The purpose of this circuit is to sense the water level in the windshield wiper reservoir. The circuit...
Audio Compressor (CB4103E)
We find this circuit in an old American documentation. It can provide a 25 dB compression in a...
AC Millivoltmeter (CB4514E)
This alternating voltage voltmeter was found in a 1967 magazine. The magazine no longer exists, but...