The Ruthroff Impedance Transformer

#209 In this video I look at a Un-un impedance transformer commonly used in various RF circuits. Although it can be built with various impedance ratios and it can work over a wide frequency range, to get the best out of it, it needs to be treated as a transmission line transformers with all of its characteristics.

Balun series:
Ep1 - Communication lines and baluns    • Communication lines and baluns  
Ep2 - Voltage and Current baluns    • Voltage and Current Baluns  
Ep3 - Energy coupling    • Energy transfer in Baluns  
Ep4 - Transmission line baluns    • Transmission-Line Baluns  
Ep5 - Transmission line experiments:    • Experiments with Transmission Line Ba...  
Ep6 - The Ruthroff Transformer:    • The Ruthroff Impedance Transformer  
Ep7 - The Guanella Transformers:    • Analyzing Guanella Impedance Transfor...  
EP8 - LC baluns:    • Building INDUCTOR-CAPACITOR Baluns  

Further reading:
https://www.highfrequencyelectronics....
https://www.highfrequencyelectronics....
https://www.highfrequencyelectronics....
https://www.mikrocontroller.net/attac...

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