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发明公开
CN104106213A 具有改善效率的LINC发射器 有权

具有改善效率的LINC发射器
摘要：
一种射频(RF)发射器(300)包括被配置为接收第一组和第二组互补RF信号(S1(t)，S2(t))的第一和第二驱动器(302-1，302-2)。恢复电路(304-1，304-2)耦合到第一和第二驱动器，并且桥接电路(306)耦合到第一和第二恢复电路。通过具有恢复电路和桥接电路，可提供共模阻抗和差分阻抗，其中共模阻抗低于差分阻抗。
摘要（英）：

A radio frequency (RF) transmitter (300) includes first and second drivers (302-1, 302-2) that are configured to receive first and second sets of complementary RF signals (S1(t), S2(t)). Restoration circuits (304-1, 304-2) are coupled to the first and second drivers, and a bridge circuit (306) is coupled to the first and second restoration circuits. By having the restoration circuits and the bridge circuit, a common mode impedance and a differential impedance can be provided, where the common mode impedance is lower than the differential impedance.

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