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Linear (LINEAR) and Paula (POLAR) dual-mode transmitter circuit of
Linear (LINEAR) and Paula (POLAR) dual-mode transmitter circuit of
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机译：线性（LINEAR）和Paula（POLAR）双模发射机电路
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摘要
Method and apparatus to configure the transmitter circuitry to support the polar mode or [SOLUTION] linear. In linear mode, the base band signal, is made explicit by adjusting the amplitude of the (Q) signal (I) and quadrature-phase, on the other hand, the polar mode, information signal I or the phase of the (LO) signal local oscillator It is made explicit by adjusting the amplitude of either the Q signal. In one exemplary embodiment, the two mixers, and the pairs of switches based device on or running in either or polar mode or linear, to select the proper input signal supplied to one of the mixer is provided. In one embodiment, each of the mixers can be implemented using a configuration that is scalable based on the transmit power required, adjusting the size of the mixer efficiently. [Selection Figure Figure 4
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