#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 https://youtu.be/EojKvuc9xck
Ep2 - Voltage and Current baluns https://youtu.be/NkxLXQ32GDQ
Ep3 - Energy coupling https://youtu.be/83QRK1ULmY8
Ep4 - Transmission line baluns https://youtu.be/gS0YBCNYViY
Ep5 - Transmission line experiments: https://youtu.be/la1VS7YVE0M
Ep6 - The Ruthroff Transformer: https://youtu.be/iVuXRdcmmTQ
Ep7 - The Guanella Transformers: https://youtu.be/QAYaetJ1dvM
EP8 - LC baluns: https://youtu.be/Lne2knTHbds
Further reading:
https://www.highfrequencyelectronics.com/Dec07/HFE1207_GrebennikovPart1.pdf
https://www.highfrequencyelectronics.com/Jan08/HFE0108_GrebennikovPart2.pdf
https://www.highfrequencyelectronics.com/Feb08/HFE0208_GrebennikovPart3_Rev.pdf
https://www.mikrocontroller.net/attachment/217383/Trask_TLT_Tutorial.pdf
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