发明名称 |
QUADRATURE POWER AMPLIFIER HAVING INCREASED EFFICIENCY |
摘要 |
A method and system for achieving increased efficiency in a quadrature modulated power amplifier (11) are disclosed. In some embodiments, a supply path (36, 40) and a gain path (38, 42) are provided in each of an I-channel and a Q-channel. The supply path (36, 40) produces a variable voltage and the gain path (38, 42) produces a gain control signal. The variable voltage and gain control signal are used by a variable gain power amplifier (44, 46) to modulate a local oscillator signal to produce a modulated radio signal. |
申请公布号 |
WO2014161778(A1) |
申请公布日期 |
2014.10.09 |
申请号 |
WO2014EP56262 |
申请日期 |
2014.03.28 |
申请人 |
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) |
发明人 |
MU, FENGHAO;OLSSON, THOMAS;MATTISSON, SVEN |
分类号 |
H04L27/36;H03F1/02;H03F3/24;H04B1/04 |
主分类号 |
H04L27/36 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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