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    • 2. 发明申请
    • SWITCH-LESS BIDIRECTIONAL AMPLIFIER
    • 开关式双向放大器
    • WO2008026972A1
    • 2008-03-06
    • PCT/SE2006/000990
    • 2006-08-28
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)BERG, HåkanTHIESIES, Heiko
    • BERG, HåkanTHIESIES, Heiko
    • H03F3/62
    • H03F3/62H03F1/56H03F3/195H03F3/72H03F2200/222H03F2200/387H03F2200/451H03F2203/7206
    • A bi-directional amplifier, transceiver, integrated circuit, mobile unit, telecommunication infrastructure for amplification of signals received or signals to be transmitted in a communication circuit and a method for bi-directional amplification comprising amplifying signals in a bi-directional amplifier and directing a signal between two or more different paths comprising at least one first biased semiconductor amplification element (230, 340, 450, 550) connected to a at least one first impedance matching network (210, 310, 410, 510), at least one second biased semiconductor amplification element (240, 350, 460, 560) connected to a second impedance matching network (220, 330, 430, 530), a first device for biasing the at least one first biased semiconductor amplification element and a second device for biasing the at least one second biased semiconductor amplification element where the direction of signal amplification in said bi-directional amplifier is controlled by the first or second device for biasing the at least one first (230, 340, 450, 550) or second (240, 350, 460, 560) biased semiconductor amplification element.
    • 双向放大器,收发器,集成电路,移动单元,用于放大接收到的信号的电信基础设施或要在通信电路中传输的信号,以及用于双向放大的方法,包括放大双向放大器中的信号并且引导 两个或多个不同路径之间的信号,包括连接到至少一个第一阻抗匹配网络(210,310,410,510)的至少一个第一偏置半导体放大元件(230,340,450,550),至少一个第二偏置 连接到第二阻抗匹配网络(220,330,430,530)的半导体放大元件(240,350,460,560),用于偏置所述至少一个第一偏置半导体放大元件的第一器件和用于偏置所述至少一个第一偏置半导体放大元件的第二器件 至少一个第二偏置半导体放大元件,其中所述双向放大器中的信号放大方向由第一或第二秒控制 用于偏置所述至少一个第一(230,340,450,550)或第二(240,350,460,560)偏置的半导体放大元件的装置。