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March 23, 2009

Mtg: Improved VNA Architectures, Technology and Functionality

by @ 1:50 pm. Filed under ALL, Communications, Electronics Design, Semiconductors
 

THURSDAY April 9, 2009? (was Apr 16)
SCV Microwave Theory and Techniques Chapter
Speaker:Jon Martens, Anritsu
Time: Presentation at 6:00 PM
Cost: none
Place: Agilent Technologies, 5301 Stevens Creek Blvd, Santa Clara
RSVP: not required
Web: www.mtt-scv.org
See also the May 9th Short Course: ewh.ieee.org/council/sfba/baytecharea/?p=914

Some recent structural changes in a VNA platform have resulted in improvements in measurement coverage and performance.? Elements of the architecture will be presented including wideband receivers with ~flat conversion efficiency from the kHz range to 70 GHz, fast settling source/LO pairs with fairly tight correlation for improved trace noise, and wider bandwidth IF chains for speed enhancement.? The measurement implications of these changes will be illustrated through some examples.
On the functional level, enhancements to some calibration techniques will be presented including an improved automatic calibrator structure that suffers less degradation in transfer-of-accuracy than in some previous designs.? Certain improvements to other functional areas including time domain processing, embedding/de-embedding, and multiple frequency gain compression will also be discussed.

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