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- W2066816401 abstract "In this article, a new on-chip power combining technique by using impedance matching Wilkinson power divider circuits will be presented. Two impedance matching Wilkinson power dividers are employed for matching the input and output impedances of the amplifier to 50 Ω as well as splitting the input power into two amplifiers and combining their output powers. A 5.2 GHz fully integrated class-A mode combined power amplifier is designed in 0.35 μm SiGE BiCMOS technology to assess the power combining technique for WLAN applications. The power amplifier with the on-chip lumped element impedance matching Wilkinson power divider circuits has a measured small signal gain of 5.21 dB. The output power at 1 dB compression point is measured as 22.4 dBm, and the power added efficiency of 17% is achieved at 1-dB compression point. The chip area is significantly reduced by using lumped element impedance matching Wilkinson power dividers; the total die size is 1.2 × 1.25 mm2, including radio frequency (RF) and bias pads. The simulated (Cadence) and measured performance of combined power amplifier are well matched. Thus, the RF power amplifier and combiner/splitter circuits can be used for 5.2 GHz WLAN applications. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:2413–2419, 2010; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25511" @default.
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- W2066816401 date "2010-08-17" @default.
- W2066816401 modified "2023-10-16" @default.
- W2066816401 title "A single-chip RF power amplifier with integrated impedance matching Wilkinson power dividers for 5.2 GHz WLAN applications" @default.
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- W2066816401 doi "https://doi.org/10.1002/mop.25511" @default.
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