HIGH POWER DOHERTY AMPLIFIER
    41.
    发明授权
    HIGH POWER DOHERTY AMPLIFIER 有权
    大功率多频放大器

    公开(公告)号:EP1532731B1

    公开(公告)日:2011-09-21

    申请号:EP03787936.8

    申请日:2003-07-18

    申请人: NXP B.V.

    发明人: BLEDNOV, Igor, I.

    IPC分类号: H03F1/02

    摘要: A high power Doherty amplifier circuit having at least one input terminal and at least one output terminal comprising at least one carrier transistor (30) forming a main amplifier stage; at least one peak transistor (32) forming a peak amplifier stage; a first input line (27) connecting the input terminal (28) to an input (29) of the carrier transistor (30); a second input line (31) connecting the input terminal (28) to an input (63) of the peak transistor (32); a first output line (33) connecting the output terminal (56) to an output (49) of the carrier transistor (30); and a second output line (35) connecting the output terminal (56) to an output (75) of the peak transistor (32). A high power Doherty amplifier circuit package comprising a support structure (104) supporting circuit elements of the Doherty amplifier circuit; at least one input terminal (102) and at least one output terminal (96) both terminals being supported on the support structure (104); at least one carrier transistor (92) forming a main amplifier stage and at least one peak transistor (98) forming a peak amplifier stage both transistors being supported on the support structure (104); a first input network (106) connecting the input terminal (102) to an input of the carrier transistor (92); a second input network (100, 114, 116) connecting the input terminal (102) to an input of the peak transistor (98); a first output network (94, 108, 110) connecting the output terminal (96) to an output of the carrier transistor (92); and a second output network (112) connecting the output terminal (96) to an output of the peak transistor (98), and wherein the input and output networks are artificial transmission lines comprising serial circuits and / or parallel circuits of at least one capacitance and / or at least one inductance.

    摘要翻译: 一种具有至少一个输入端和至少一个输出端的高功率多赫蒂放大器电路,所述至少一个输出端包括至少一个形成主放大器级的载波晶体管(30) 至少一个峰值晶体管(32),形成峰值放大器级; 将输入端(28)连接到载流晶体管(30)的输入端(29)的第一输入线(27); 将输入端(28)连接到峰值晶体管(32)的输入(63)的第二输入线(31); 第一输出线(33),将输出端(56)连接到载流晶体管(30)的输出端(49); 以及将输出端(56)连接到峰值晶体管(32)的输出端(75)的第二输出线(35)。 一种高功率多赫蒂放大器电路组件,包括支持多赫蒂放大器电路的电路元件的支撑结构(104) 至少一个输入端子(102)和至少一个输出端子(96)两个端子被支撑在支撑结构(104)上; 形成主放大器级的至少一个载流晶体管(92)和形成峰值放大器级的至少一个峰值晶体管(98),两个晶体管都支撑在支撑结构(104)上; 第一输入网络(106),将输入端子(102)连接到载流晶体管(92)的输入端; 将输入端(102)连接到峰值晶体管(98)的输入端的第二输入网络(100,114,116); 第一输出网络(94,108,110),将输出端子(96)连接到载流晶体管(92)的输出端; 以及将所述输出端子(96)连接到所述峰值晶体管(98)的输出的第二输出网络(112),并且其中所述输入和输出网络是包括串联电路和/或具有至少一个电容 和/或至少一个电感。