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Industry News

The MWJ Puzzler - February 2011

February 5, 2011
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Radar And Antennas

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MWJ February Puzzler


2 The technique used to determine ideal matching network impedances is referred to as _____________ (2 words)
6 A ___________ load-pull system has a signal input path consisting of a signal source and amplifier, source and load impedance tuners, and a vector receiver
(2 words)
8 SNR (4 words)
12 Most phase noise measurement systems use what is called ____________ (2 words)
17 Microwave monolithic integrated circuit
18 The weakest signal that a wireless receiver can recover is defined by its __________
19 Third-order intermodulation distortion
20 A popular glass fabric and epoxy resin laminate material widely used in the printed circuit board industry


1 MIC (3 words)
3 Short-term random frequency fluctuations of a signal (2 words)
4 Low temperature co-fired ceramic
5 PCB (3 words)
7 Method used in phase noise analysis to extend the range of any single channel measure- ment by introducing a second channel and utilizing signal processing to locate the noise that is common to the DUT (2 words)
9 LNA (3 words)
10 Enhancement-mode, pseudomorphic high electron mobility transistor
11 Digital instantaneous frequency measurement
13 Commercial off-the-shelf
14 One of the more common windows used with noise analysis
16 _________ equation shows that the noise figure of the first amplifying stage in the receiver chain has a predominant effect



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