Paired amplifiers cut MIMO design costs

Mau-Chung Chang*

*Corresponding author for this work

Research output: Contribution to specialist publicationArticle

Abstract

Designers are required to evaluate trade-offs between performance and cost while selecting key components such as power amplifiers. Choose a power amplifier pair with factory-matched amplitude and phase characteristics. Use amplifiers that have good linearity and high linearity robustness. To achieve the lowest total ownership cost, on-chip power detectors should exhibit dynamic range, sensitivity, decibel-wise linearization, and temperature robustness. A matched power housed in a single package provides a more-compact solution and saves 50 percent space and cost compared with design using separate power amplifiers. Use digital control with robust performance over the operating temperature range.

Original languageEnglish
Number of pages1
No1414
Specialist publicationElectronic Engineering Times
StatePublished - 13 Mar 2006

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