About this Series
- Lessons: 4
- Total Time: 0h 55m
- Use: Watch Online
- Access Period: Unlimited
- Created At: 06/02/2009
- Last Updated At: 03/27/2011
This 4 part series provides in depth details about generating, analysing and testing IQ signals. The signals are analyzed both in the time domain and frequency domain. Constellation diagrams are used to learn about the different modulation schemese. The effects of IQ imbalances such as amplitude and phase imbalance are thoroughly reviewed. Other impairements like LO feedthru and DC offsets are also analyzed.
About this Author
- Keith Schaub
- 26 lessons
Keith Schaub Founder of Wireless SOC Test Inc, author of the book, Production testing of RF and SOC devices for Wireless Communications, has over 16 years of experience in RF/microwave system design and test engineering. Additionally, he has authored/co-authored several papers and editorials on the state of RF/wireless SOC/SIP testing and the trends of the market including: "MIMO challenges existing ATE", Test & Measurement World, "Reducing EVM Test Time and Indentifying Failure Mechanisms", Evaluation Engineering, "Evolutionary Changes For RF Device Testing", Evaluation Engineering; "Needed: New Thinking For Wireless/RF Testing", Test and Measurement World, and "Concurrent-Parallel Testing...
Below are the descriptions for each of the lessons included in the series:
Introduction to IQ Signals (Part 2)
WSOCT and SavvyPaper teaches you about I and Q complex signals that are used in RF and wireless communications. We use the base band developer's kit and NI Labview software.
Introduction to IQ Signals (Part 3)
WSOCT and SavvyPaper teaches you about complex base band signals used in wireless and RF communications. We use NI Labview and the base band developer's kit as learning aids.
Introduction to IQ signals (Part 4)
Simulated IQ Modulator: Part 4 in a high technology series. IQ modulator overview, single tone inputs, IQ imbalances, quadrature skew, amplitude and phase imbalances, DC offsets, ZIF, Superheterodyne, Labview, Baseband developers kit.
Introduction to IQ Signals (Part 1)
IQ signals, Baseband developers kit, Labview, QPSK symbols, IQ summation, IQ time domain, IQ constellations
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