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  • What is Frequency Domain Analysis?
    of FDA to facilitate understanding the fundamental ideas behind the technique. What is FDA? Frequency-domain analysis (FDA) is a way of processing interferograms to obtain surface profiles. When we say that we are analyzing data in the frequency domain, it means that we are thinking about
  • Fundamentals of High-Frequency CMOS Analog Integrated Circuits
    Fundamentals of High-Frequency CMOS Analog Integrated Circuits. Bridging the gap between fundamental analog electronic circuit textbooks and more advanced RF IC design texts, this book addresses issues that must be taken into account when combining analog and digital circuit building blocks.
  • Application Considerations in Specifying High Frequency Ultrasonic Transducers
    , when working in this very high frequency range, it is especially important to consider a number of fundamental performance factors when selecting transducers. These include echo recovery time as determined by center frequency and bandwidth, relative sensitivity, beam diameter, focal zone
  • How High in Frequency Are Accelerometer Measurements Meaningful
    Almost all piezoelectric accelerometers in the current market place. have a fundamental sensor resonance below 100 KHz. In 1983. Endevco Corporation designed a series of MEMS (Micro Electro-. Mechanical Systems) accelerometers [1]. These silicon-based. piezoresistive accelerometers enabled sensor
  • Ultrasonic Cleaning: Fundamental Theory and Application
    The various ultrasonic parameters, or degrees of freedom, available to the process engineer define what the ultimate limits are for the cleaning process. The traditional degrees of freedom available in an ultrasonic cleaning system have included modulation of a single center frequency (sweep
  • Harmonic Mitigation in Variable Frequency Drives: 6-Pulse Drive with Matrix AP Harmonic Filter vs. AFE Drive
    The proliferation of variable frequency drives (VFDs) has brought increased attention to harmonic effects created by drives. A standard 6-pulse drive with no harmonic mitigation technology may interfere with neighboring equipment, reduce equipment life, and negatively impact the utility power
  • Class-F and Inverse Class-F Power Amplifier Loading Networks Design Based upon Transmission Zeros
    at the harmonic frequencies of interest. A two-section impedance matching network is transformed to either a class-F2,3 or inverse class-F2,3 loading network. The manipulation of transistor parasitics is described using network transformations. The resultant loading networks serve as fundamental-frequency
  • UHF Class-E Power Amplifier Based Upon Multi-harmonic Approximation
    for an ideal device resembling true-transient class-E operation at high frequency. Nevertheless, a working prototype presents an efficiency of 85% with 10-W output power at 400-MHz fundamental-frequency using a GaN FET.

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