High Efficiency RF and Microwave Solid State Power by Paolo Colantonio

By Paolo Colantonio

Do you need to grasp how one can layout excessive potency RF and microwave strong nation strength amplifiers?

Read this ebook to profit the most options which are basic for max amplifier layout. useful layout ideas are set out, mentioning the professionals and cons for every procedure provided during this textual content. as well as novel theoretical dialogue and potential instructions, you can find valuable operating examples and case stories that reveal the most important matters occupied with energy amplifier (PA) layout flow.

Highlights include:

  • Clarification of issues that are frequently misunderstood and misused, akin to bias sessions and pop nomenclatures.
  • The attention of either hybrid and monolithic microwave built-in circuits (MMICs).
  • Discussions of switch-mode and current-mode PA layout ways and a proof of the differences.
  • Coverage of the linearity factor in PA layout at circuit point, with suggestion on low distortion energy stages.
  • Analysis of the new subject of Doherty amplifier layout, plus an outline of complex thoughts in accordance with multi-way and multi-stage structure solutions.

High potency RF and Microwave reliable nation energy Amplifiers is:

  • an excellent instructional for MSc and postgraduate scholars taking classes in microwave electronics and strong country circuit/device design;
  • a beneficial reference textual content for practicing digital engineers and researchers within the box of PA layout and microwave and RF engineering.

With its designated unified imaginative and prescient of reliable nation amplifiers, you won’t discover a extra accomplished e-book at the topic. 

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Additional info for High Efficiency RF and Microwave Solid State Power Amplifiers

Example text


Such an exciting signal is then passed through a very narrowband (notch) filter, ω0 , then a required with a bandpass width ωN centred at the frequency ω0 to be characterized. If ωN measuring window is created without affecting the test conditions. Such a modified signal is then fed into the amplifier (or in general into the device under test, DUT) and the output spectrum is observed. e. in the band ωN around ω0 , can be ascribed to the spectral regrowth phenomena due to the nonlinear behaviour of the amplifier under test.

Hertz and J. C. Bose [35–38], a major push towards high power microwave generation and use came from the Second World War military applications in the radar field, with the introduction and use of the cavity magnetron by British researchers and the klystron as high power source in 1939–1940. The klystron evolved in Stanford University towards a high average power amplifier, leading to even modern applications involving clustered cavity klystron and travelling-wave tube [39–41]. In this scenario, solid state devices and the related amplifiers are relatively recent players, being the first GaAs MESFET, with good performance at X-band, commercially available at the beginning of the 1970s, despite the introduction of the device in the early work of Stuetzer and Shockley [42, 43].

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