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February 26, 2017
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2 weeks 6 days ago #788 by Janek57
I am trying to become more knowledgeable in the microwave field. I currently work in the field dealing with radars and electronic protection. I would like to learn how some of these complicated systems work so I can eventually participate in some of the advanced/new designs. I graduated last year with an EE degree so I still remember some of the emag fundamentals.

How does one start learning this material? I plan to watch and take new notes on all my emag 1 and 2 lectures, barrow an antenna theory book to read, and read through ew101 by David L Adamy. Is this a good place to start? Any suggestions would be much appreciated.

Thanks,

John

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2 weeks 5 days ago - 2 weeks 5 days ago #789 by madengr
Build the NorCal 40 HF transceiver with the companion book by David Rutledge, working through all the problems in the book. You'll just need a 10 MHz signal generator and scope. This is RF (not microwave), but the fundamentals are the same.

www.fix.net/~jparker/wilderness/nc40a.htm

Then start playing with true distributed circuits, building perhaps a stepped impedance filter, small-signal amp with matching (gain, noise, stability circles from s-parameters), Wilkinson power divider, rat-race mixer, quadrature hybrid coupler, frequency doubler, oscillator, PLL. This is where you'll actually need traditional RF/Microwave equipment and simulation software. Though the simulation software you could actually start to use with the RF book, as an extra step.

Books:

www.amazon.com/Circuit-Design-Second-Chr...Bowick/dp/0750685182
www.amazon.com/Microwave-Transistor-Ampl...Design/dp/0132543354
www.amazon.com/Microwave-Engineering-Dav...X8F1E05GY4AE19BT6RJ8
Last Edit: 2 weeks 5 days ago by madengr.

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2 weeks 4 days ago #792 by Janek57
Madengr,

Thank you for the information. The NorCal 40A looks very interesting and I'm quite excited to make the learning process a bit more hands on.

- John

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1 week 3 days ago #795 by Microwaves101
There are some really great microwave design tools you can download on your phone. RF Designer is six bucks. You can design simple circuits such as rat-races, Wilkinsons, Gysels, without the need for $20,000 in EDA software.

- Steve

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