Topic

biasing

5 videos. Ranked by independent recommendations, not by views.

1. 

   1 #79: Op Amp Power Supply Considerations: split, single, virtual ground, etc. - a tutorial

   w2aew 9 people · 13 months · since Apr 2014

   Alan Wolke compares split, single and virtual-ground supplies for op amps; people use it to work out how to bias inputs from a single battery.

2. 

   2 #185: Back to Basics: Bipolar Transistor bias circuits and Beta dependence

   w2aew 4 people · 7 months · since Apr 2017

   Explains how to bias a transistor stage so the operating point does not depend much on the device's beta, using feedback.

3. 

   3 #198: Basics of a Vbe Multiplier: what it is, how it works & where it is used

   w2aew 6 people · 6 months · since Mar 2015

   Explains the Vbe multiplier, or rubber diode, and how it sets bias in class B output stages; the usual link when someone uses plain diodes instead.

4. 

   4 BJT - Voltage Divider Bias Circuit

   ElectronX Lab 3 people · 3 months · since Aug 2017

   Recommended for working through BJT voltage divider bias calculations, including replacing the base network with its Thevenin equivalent before analysing an amplifier.

5. 

   5 EECE 251 - BJT Design of the Bias Circuit

   rolinychupetin L. R. Linares 3 people · 3 months · since Jan 2016

   A clear tutorial on biasing a common emitter BJT amplifier and picking collector and emitter resistors, cited by learners working through bias point and resistor ratio questions.