Boowei
Member level 1
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1/6 transformer
I want to design a high power(200w CW) directional coupler as following circuit,It work over the range from (30~80)MHz.
![](https://obrazki.elektroda.pl/30_1245918982_thumb.jpg)
I am going to use a 3:5 voltage ratio transmission-line transformer as a 1:3 impedance ratio transformer.
![](https://obrazki.elektroda.pl/13_1245919068_thumb.jpg)
However I don't know how to design 1:6 impedance ratio transformer,who can help me?
Thanks.
I want to design a high power(200w CW) directional coupler as following circuit,It work over the range from (30~80)MHz.
![](https://obrazki.elektroda.pl/30_1245918982_thumb.jpg)
I am going to use a 3:5 voltage ratio transmission-line transformer as a 1:3 impedance ratio transformer.
![](https://obrazki.elektroda.pl/13_1245919068_thumb.jpg)
However I don't know how to design 1:6 impedance ratio transformer,who can help me?
Thanks.