Mr Vis Education

Op Amps

Operational Amplifier GCSE
741 Pin Compatible Equivalent Op Amps
Negative Feedback
Virtual Earth Point
LDR Op Amp Circuit
Difference Amplifier
Summing Amplifier with Inverting Inputs

Digital Electronics

Basic Logic Gates, Truth Tables, and Functions Explained

Practical Electronics

Soldering Guide for Beginners, Kids, and Electronics Students

Block Diagrams

General Block Diagram of Control System
Generalised Communication System
Radio Transmitter Block Diagram

Semiconductor Theory

Diode Characteristics Curve
Transistor Alpha and Beta
Transistor Base Resistor Analysis


Colpitts Oscillator Design
Hartley Oscillator Calculator


SI Prefixes
SI Units, Symbols, and Capitalisation Rules