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RF power measurement for high power amplifiers for CDMA2000 and WCDMA

  • 2013-09-17
  • 320.27KB
  • Points it Requires : 2

RF Power Measurements for High Power Amplifiers for CDMA2000 and W-CDMA Designers of high power amplifiers (HPA) for CDMA2000 and W-CDMA base stations face many challenges in making accurate transmit power measurements. Complicating factors include high peak-to-average ratios and variations in peak-to-average ratios with base station talk loads, wide operating temperature ranges, and wide transmit power ranges. Manufacturers use accurate rms output power measurements to reduce the power of HPAs. This article describes several methods for accurately measuring and controlling RMS power over the operating temperature range.

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