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    A SUBHARMONIC MIXER
    1.
    发明公开
    A SUBHARMONIC MIXER 有权
    次谐波混频器

    公开(公告)号：EP2786484A1

    公开(公告)日：2014-10-08

    申请号：EP11793404.2

    申请日：2011-12-02

    申请人： Telefonaktiebolaget LM Ericsson (Publ)

    发明人： BAO, Mingquan

    IPC分类号： H03D7/12 ,  H03D7/16

    CPC分类号： H03D7/163 ,  H03D7/12 ,  H03D7/125 ,  H03D7/1475 ,  H03D7/1491 ,  H03D2200/0023

    摘要： A sub-harmonic mixer (100, 200, 300,400) comprising a mixer circuit (105, 305, 405) with input ports (106, 107) for RF and LO signals, and an output port (108) for the product of the signals at the input ports, and an LO switching stage (110) with input ports (111, 112) for an LO signal and the LO signal phase shifted180 degrees. The LO switching stage (110) comprises a third input port (115) to which the output port (108) of the mixer circuit is connected and a first output port (113) for the product of the signal at its third (115) and first (111) input ports, and a second output port (114) for the product of the signal at the third and second input ports with the same amplitude as the first output signal 180 degrees phase shifted. In the sub- harmonic mixer (100) the mixer circuit (105) comprises a transconductance mixer.

    Harmonic reject receiver architecture and mixer
    2.
    发明公开
    Harmonic reject receiver architecture and mixer 有权
    Empfängerarchitekturund Mischer mitOberwellenunterdrückung

    公开(公告)号：EP2173038A1

    公开(公告)日：2010-04-07

    申请号：EP10001057.8

    申请日：2005-12-12

    申请人： Maxlinear, Inc.

    发明人： Seendripu, Kishore ,  Montemayor, Raymond ,  Sheng, Ye ,  Chang, Glenn ,  Ling, Curtis

    IPC分类号： H04B1/10 ,  H03D7/16

    CPC分类号： H04B1/26 ,  H03D3/007 ,  H03D3/008 ,  H03D3/009 ,  H03D7/14 ,  H03D7/1441 ,  H03D7/1458 ,  H03D7/1475 ,  H03D7/165 ,  H03D7/166 ,  H03D2200/0086 ,  H03H11/22 ,  H04B1/10 ,  H04B1/109 ,  H04B1/12 ,  H04B1/30 ,  H04B15/00 ,  H04J1/18 ,  H04L27/34

    摘要： Receiver architectures and methods of processing harmonic rich input signals employing harmonic suppression mixers are disclosed herein. The disclosed receivers, mixers, and methods enable a receiver to achieve the advantages of switching mixers while greatly reducing the mixer response to the undesired harmonics. A harmonic mixer can include a plurality of mixers coupled to an input signal. A plurality of phases of a local oscillator signal can be generated from a single local oscillator output. Each of the phases can be used to drive an input of one of the mixers. The mixer outputs can be combined to generate a frequency converted output that has harmonic rejection.

    摘要翻译： 本文公开了使用谐波抑制混频器处理谐波丰富的输入信号的接收机架构和方法。 所公开的接收机，混频器和方法使得接收机能够实现切换混频器的优点，同时极大地减少混频器对不期望的谐波的响应。 谐波混频器可以包括耦合到输入信号的多个混频器。 可以从单个本地振荡器输出产生本地振荡器信号的多个相位。 每个相可用于驱动混合器之一的输入。 混频器输出可以组合起来产生具有谐波抑制的频率转换输出。

    Dual-band high-frequency transmission mixer having two outputs
    3.
    发明公开
    Dual-band high-frequency transmission mixer having two outputs 审中-公开
    双频射频混频器具有两个输出

    公开(公告)号：EP1073205A3

    公开(公告)日：2003-07-02

    申请号：EP00116406.0

    申请日：2000-07-28

    申请人： NEC Compound Semiconductor Devices, Ltd.

    发明人： Shiraishi, Osamu, c/o NEC Corporation

    IPC分类号： H04B1/04 ,  H03D7/16 ,  H04B1/40 ,  H03D7/14

    CPC分类号： H03D7/1483 ,  H03D7/1433 ,  H03D7/1475

    摘要： A transmission mixer (10) has a local input port (10 LO ) supplied with a local signal, an intermediate input port (10 in ) supplied with an input signal having an input frequency (f in ), a first output port (10 out1 ) for producing a first output signal having a first output frequency (f out1 ), and a second output port (10 out2 ) for producing a second output signal having a second output frequency (f out2 ). The first and the second output ports (10 out1 , 10 out2 ) are connected to first and second loads (LD1, LD2), respectively. The first load (LD1) is that where impedance-matching is made at the first output frequency (f out1 ) while the second load (LD2) is that where impedance-matching is made at the second output frequency (f out2 ).

    MIXER CIRCUIT
    8.
    发明授权
    MIXER CIRCUIT 有权
    混频器电路

    公开(公告)号：EP1875600B1

    公开(公告)日：2011-03-02

    申请号：EP06727834.1

    申请日：2006-04-04

    申请人： NXP B.V.

    发明人： SANDULEANU, Mihai, A., T. ,  STIKVOORT, Eduard, F.

    IPC分类号： H03D7/14

    CPC分类号： H03D7/1433 ,  H03D7/1408 ,  H03D7/1425 ,  H03D7/1458 ,  H03D7/1475

    摘要： A subharmonic mixer circuit having an input stage (52) and a current modulating stage (64) is disclosed. The input stage (52) receives an RF input signal (RF+, RF-) at a first frequency and generates output currents (il, i2) varying in dependence upon the Rf input signal. The current modulating stage (64) comprises a first transistor (Q3) for receiving a first local oscillator signal (LOO) respective and a second transistor (Q4) for receiving a second local oscillator signal (LOl 80), 180 degrees out of phase with the first local oscillator signal, such that a modulating current signal (i0), having twice the local oscillator frequency, is superimposed onto the output currents.