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Wireless communication unit, linearised transmitter circuit and method of linearising therein
Wireless communication unit, linearised transmitter circuit and method of linearising therein
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机译:无线通信单元,线性化的发射机电路及其中的线性化方法
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摘要
A wireless communication unit includes a linearised transmitter having a forward path and a feedback path, respectively comprising at least one up-mixer and down-mixer, and forming two loops in quadrature. A phase training signal is applied to the at least one down-mixer in the feedback path in an open loop mode of operation to identify a loop phase adjustment to be applied. At least one of the two loops is switched to a closed loop mode of operation and the loop phase adjustment is applied to at least one up-mixer located in the forward path.
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