#227 In this video I look at another constructive type of filters that moves from the world of lumped elements to the world of distributed elements, what I'm referring to is cavity filters. I look at some of the basic operating principles as well as some constructive types and next time I will be performing some measurements on a set of practical devices.

Filter series:
Ep1 – Intro :    • Intro to Filters  
Ep2 Passive RC Filters:    • Passive RC Filters  
Ep3 Active RC Filters:    • Active RCfilter Basics  
Ep4 – More Active RC Filters:    • MORE Active RC Filters  
Ep5 Introduction to LC Filters:    • Introduction to LC Filters  
Ep6 LC filter limitations:    • Limitations of LC Filters  
Ep7 PiezoElectric Filters:    • PiezoElectric Filters  
Ep8 – Crystal Filter Measurements and Design:    • Crystal Filter Experiments  
Ep9 Cavity filter Basics:    • Cavity Filter Basics  
Ep10 Cavity filter Experiments:    • Cavity filter Experiments  
Ep11 Stub filters:    • Coax Stub Filters  

Further reading:
https://w6nbc.com/articles/duplexer.pdf
https://lea.hamradio.si/~s53mv/cavity...
https://k5tra.net/tech%20library/filt...

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