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.

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Three-input majority gate (CB7248E)
This interesting logic circuit was found in a manual of neon lamp applications. | Clique na imagem...
Pulsing Tone Alarm (CB4878E)
This variation of the previous circuit produces a pulsating sound when the sensor is activated. The...
Modulated Power Supply For LASER Pointer (CB1184E)
This circuit allows controlling a LASER pointer with an input logic signal. R has 10 ohm for 3 V...