Over on his YouTube channel [Aaron Danner] explains biasing transistors with current sources in the 29th video of his Transistors Series. In this video, he shows how to replace a bias resistor (and… ...

This Design Idea is a two-wire current regulator that strikes a good balance between performance and parts count. Employing three transistors, three resistors, and one LED, it achieves good regulation ...

A muting transistor has very low ON resistance –in the order of 1Ω. With a 1K audio signal source resistance, it provides 60db attenuation –this is much better than the best analog switches in the ON ...

In this circuit, a PNP transistor sources current. The base voltage is about 0.7 V less than the emitter voltage. So with 10.3 V on the base, the emitter has about 11 V and R1 sees about 1 V ...

Source-gated transistors – SGTs – are uni-polar – they only need n or p-type semiconductor, not both. The research team built two two-transistor building blocks: A polysilicon gain block with the ...

In summary, switching transistor Q1 on results in a moderate increase, no change, or a large increase at U1’s output, depending on whether the thermocouple is in no-fault, short-circuit, or open ...

SGT transistor promises denser circuits Researchers from Surrey and Cambridge universities and the National Research Institute in Rome have demonstrated the use of a pioneering circuit design that ...