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microwave communication by sammuel y lio
I dont think this book goes into things in very much depth.
If you need a good book, try
RF Circuit Design by Ludwig Bretchkov.
I find this very useful, but it is not in forum or MCU :(
rgs
Timelord
Planar Transformers
Thanks Rayengine. Much appreciated. One question though.
In the center tapped model. Do you think the tap would be at the junction
of the inner and outer windings?
Rgs
Timelord
planar transformer cup
Does anyone have any info on how to design an RF planar transformer with 2 center tapped windings operation at about 100 MHz
Any help greatly appreciated
Timelord
DEsigning Circulators
It depends on the application how successful you will be. If you can stand a bit of loss in your system then it's OK and you will not spend 6 months trying to optimize it. I have had some success printing ferrite loaded pastes onto ceramic.
If you need best performance...
Dielectric constant data
As well as rogers, try taconic, Arlon. Find them by using www.google.com.
Also query for "duroid" you will get loads of sites to try.
Regards
Timelord
Measurement of Er
You can also do this most effectively with a ring (for microstrip measurements). The mean diameter of the ring is equal to the guide wavelength. I posted an internet link to NIST recently which contains lots of info on Er measurement. Let me know if you are interested and...
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