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Jiri Polivka

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Jiri’s Recent activity

Noise Can Tell Much About Material
Noise Can Tell Much About Material
May 02, 2018
When used as a test signal, noise and the field it produces can be quite handy in characterizing the quality and moisture content of different material solids.
Mixers, Detectors Serve MM-Wave Bands
Sep 15, 2011
These DC-biased mixers and detectors can be used as the basis for high-speed or UWB millimeter-wave receivers and transmitters through 110 GHz.
UWB Development
May 11, 2007
Thank you for printing my comments in your March issue concerning Yeap Yean Wei's article in the December 2006 issue ("Design A Simple, Low-Cost UWB Source," p. 68) and for his response to my comments as well. ...
Low-Cost UWB Source
Mar 14, 2007
With much interest I read Yeap Yean Wei's article, "Design A Simple, Low-Cost UWB Source," in the December 2006 issue of Microwaves & RF (p. 68). It reminded me of my old work with frequency multipliers using step...
Wireless Devices
Feb 12, 2007
It was with much interest that I read Nancy Friedrich's editorial on wireless power transmission ("Energy-Harvesting Solution Powers Wireless Devices," Breaking News, January 2007 Microwaves & RF Notepad.) This...