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planar_structures_in_@ds
Hi,
Very well documented planar structures - mom_ads - as a part
of the Cosmic_Microwave_Background_Telescope:
h**p://cosmology.princeton.edu/mintweb/instrument/backend/channelizer/design/
harlan1
IEEE 802.11
Hi johan_tr2000,
Take the following app. notes from the @gilent site:
Application Note 1380-1 (RF Testing of Wireless LAN Products)
Application Note 1380-2 (IEEE 802.11 Wireless LAN PHY Layer (RF) Operation and Measurement)
Rgds,
harlan1
mixer tek492
Hi all,
Some years ago I've bought a second hand the 492 spectrum analyser (Tek), options1/2/3, with incomplete manuals. Unfortunately the option 1 (calibrated preselection to the 1st mixer for the 1.7 to 18 GHz freq. range) don't work properly. So, I am looking for the block &...
Hi,
At this site you will find excellent products & application notes:
h**p://www.analog.com/Analog_Root/sitePage/mainSectionHome/0,2130,level4%3D%252D1%26level1%3D277%26level2%3D173%26level3%3D136,00.html
also h**p://www.ti.com/graychip/index.shtml
and...
You schould have something like a frequency scanner with a trigger circuit.
Take a look: h**p://www.aceco.de/products.htm or h**p://www.optoelectronics.com.
They have the ready made scanners/recorders.
Regards,
Harlan1.
You sholud read the selected chapters from the "Microstrip Filters for RF/Microwave Appl" by
Hong, Lancaster. This book was downloaded to the "e-books up/down" forum some time ago.
Probably you will find the answer.
Rgds,
Harlan1.
sevick transformer note 2001
Please look at:
h**p://www.ctsystemes.com/zeland/publi.htm
There are a lot of publications (and benchmarks)
about i@e@3d. Among other there is an article:
h**p://www.ctsystemes.com/zeland/publi/pg40.pdf
(A wideband balun-how does it work)
harlan1
vna design
Hi Gakusei,
It depends on BW. The mixer's LO & RF/IF ports must cover
frequency band of interest. Look at:
http://www.hittite.com (passive)
**broken link removed** (passive)
Quite good was discontinued IAM-8 Gilbert cell active mixers.
I'm sure this series is still available from...
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