Frequency Mixer - Mathematical Derivations and its Importance in Superheterodyne EMI Receivers
Channel: IFE - TU Graz
Date: 2021-08-27

Frequency mixers are used in RF engineering for frequency conversion. Both input signals are mathematically multiplied with each other. This video complements the EMI Receiver and Spectrum Analyzer videos and clarifies the term 'superheterodyne'.

EMI Receiver video: https://youtu.be/6ZyE-UywnFs?list=PLLpZ1DoEuR9u4iLi82VLiL8oicpA7-wMC
Spectrum Analyzer video: https://youtu.be/eVuM44tz72Q?list=PLLpZ1DoEuR9u4iLi82VLiL8oicpA7-wMC
Tutor: Ko Odreitz

00:00 - Intro
01:37 - Mathematical derivation
03:01 - Example
04:35 - Intermediate frequency stages

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