Topic

amplifier

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

1. 

   1 What is an op amp? Operational Amplifier tutorial & super spy microphone circuit

   Afrotechmods 8 people · 8 months · since Sept 2012

   An introduction to op-amps that builds a sensitive microphone amplifier, linked by beginners replicating the circuit for audio and sensor projects.

2. 

   2 #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.