会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明公开
    • BALANCED AMPLIFYING DEVICE HAVING A BYPASS BRANCH
    • SYMETRISCHEVERSTÄRKUNGSANORDNUNGMIT EINEM BYPASSZWEIG
    • EP2119001A4
    • 2017-01-11
    • EP07709489
    • 2007-02-20
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    • PLOTKA ANDRZEJ
    • H03F3/60H03F1/02H03F3/72
    • H03F3/602H03F1/0277H03F3/72H03F2200/192H03F2200/198H03F2200/204H03F2203/7227H03F2203/7239
    • A balanced amplifier includes a bypass branch (19), termination elements (TE1, TE2) and an amplifying section (10). The section (10) includes amplifiers (A1, A2), first coupling/splitting unit (14) having a first input signal receiving port (14a), a second port (14b) connected to a termination element (TE1), a third port (14c) connected to a first amplifier (A1), and a fourth port (14d) connected to a second amplifier (A2). The section (10) also includes second coupling/splitting unit (16) having a first port (16a) connected to first amplifier (A1), a second port (16b) connected to second amplifier (A2) and a third port (16c) connected to a termination element (TE2). The second coupling/splitting unit (16) combines signals from amplifiers (A1, A2) as output signals on a fourth port (16d) for supply to a signal output (O). The branch (18) is connected to the second port (14b) of the first coupling/splitting unit (14) and provides bypass signals to output (O).
    • 平衡放大器包括旁路支路(19),终端元件(TE1,TE2)和放大部分(10)。 所述部分(10)包括放大器(A1,A2),具有第一输入信号接收端口(14a)的第一耦合/分离单元(14),连接到终端元件(TE1)的第二端口(14b) (14c)连接到第一放大器(A1),以及第四端口(14d),连接到第二放大器(A2)。 (10)还包括具有连接到第一放大器(A1)的第一端口(16a),连接到第二放大器(A2)的第二端口(16b)和第三端口(16c))的第二耦合/分离单元(16) 连接到终端元件(TE2)。 第二耦合/分离单元(16)将来自放大器(A1,A2)的信号作为输出信号组合在第四端口(16d)上,以供给信号输出(O)。 分支(18)连接到第一耦合/分离单元(14)的第二端口(14b),并将旁路信号提供给输出(O)。
    • 8. 发明公开
    • Dual mode power amplifier
    • Leistungsverstärkermit zweifachem Modus
    • EP2378661A2
    • 2011-10-19
    • EP11174229.2
    • 2006-10-06
    • Skyworks Solutions, Inc.
    • Hageman, Michael, L.Brandt, Dale, R.Ripley, David, S.
    • H03G3/30H03F1/02H03F3/21H03F3/72
    • H03G3/3042H03F1/0277H03F3/211H03F3/72H03F2200/222H03F2200/387H03F2203/7206H03F2203/7239
    • A power amplifier (202, 330) is configured to operate in a first gain mode and a second gain mode. A first power amplifier input stage (208, 308) has an input and an output. A second power amplifier input stage (210, 310) has an input and an output, where the output of the second power amplifier input stage is coupled to the output of the first power amplifier input stage. The first input stage is turned on in response to a first bias voltage (222, 322) in the first gain mode and the second input stage is turned on in response to a second bias voltage (224, 324) in the second gain mode. Alternatively, a first input stage (208, 308) and an intermediate stage (212, 312) can be switched off by turning off their respective bias voltages (222, 322, 226, 326), and a second input stage (210, 310) can be switched on by turning on its respective bias voltage (224, 324); the intermediate stage and the second input stage sharing a common output.
    • 功率放大器(202,330)被配置为以第一增益模式和第二增益模式操作。 第一功率放大器输入级(208,308)具有输入和输出。 第二功率放大器输入级(210,310)具有输入和输出,其中第二功率放大器输入级的输出耦合到第一功率放大器输入级的输出。 第一输入级响应于第一增益模式中的第一偏置电压(222,322)而导通,并且第二输入级响应于第二增益模式中的第二偏置电压(224,324)导通。 或者,可以通过关闭它们各自的偏置电压(222,322,226,326)和第二输入级(210,310)来关闭第一输入级(208,308)和中间级(212,312) )可以通过接通其各自的偏置电压(224,324)而被接通; 中间级和第二输入级共享共同的输出。