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A microwave power module consists of a solid state power amplifier, which drives a vacuum power booster, typically a traveling wave tube. The high voltage power supply required by the TWT is provided by an electronic power conditioner. In pulsed-mode MPMs, the power conditioner provides a pulsed high
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and electronic power conditioning (EPC) modules into a single unit. Their average output power capability falls between that of solid-state power amplifiers (SSPAs) and dedicated
Traveling Wave Tube (TWT) amplifiers. They may be applied wherever high power microwave amplification is required, and
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and pulsed MPMs are available, the pulsed MPMs having a wide duty cycle range. Power levels range from less than 20W to over 1 kW. MPMs are light-weight compared to traditional TWTAs, and the power supply requirements are typically low-voltage DC (28–270 volts DC).
85:. While the eventual goal was to design a power module with a cross section as small as a half square inch, most MPMs today are larger, and suitable only for line arrays, partially distributed arrays and single-module applications.
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antennas, where their compact size permits packing a large number of modules into the radiating face of the antenna. The concept was explored in detail by the 1989 Microwave Power Module Panel, supported by the
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Smith, C.R.; Armstrong, C.M.; Duthie, J. (1999). "The microwave power module: a versatile RF building block for high-power transmitters".
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164:– A device for amplifying or generating microwaves (with greater precision and control than is available from a magnetron)
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Flash animation showing the operation of a microwave power module (MPM) and its internal construction
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Abrams Jr, R.H.; Parker, R.K. (1993). "Introduction to the MPM: What it is and where it might fit".
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Microwave power modules are available at various frequencies, from S band up to W band. Both
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Radar transmitters where relatively low power, but long pulse widths are needed (such as
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space is at a premium. They are available in various frequency ranges, from
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voltage that is triggered by a trigger input. MPMs also include a
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The microwave power module concept was designed for use in active
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signals to high power levels. It is a hybrid combination of
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1993 IEEE MTT-S International
Microwave Symposium Digest
141:Commercial and military satellite communications
265:Microwave Power Modules - Product information
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31:(MPM) is a microwave device used to amplify
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127:Microwave power modules are used in
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131:Active phased array antennas
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89:Typical specifications
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