公开(公告)号：WO2010057520A1

公开(公告)日：2010-05-27

申请号：PCT/EP2008/065765

申请日：2008-11-18

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) ,  BAO, Mingquan ,  LEWIN, Thomas ,  LI, Yinggang

Inventor： BAO, Mingquan ,  LEWIN, Thomas ,  LI, Yinggang

IPC: H03L7/24 ,  H03B5/18

CPC classification number: H03L7/24 ,  H03B5/1852

Abstract: In a self injection locked voltage controlled oscillator arrangement (1), a pair of coupled first and second voltage controlled oscillator devices (21,22) are arranged on a chip (2), an amplifier device (23) is arranged on the same of the refection type chip (2), and an off-chip delay line (10) is arranged with one terminal connected to an output terminal of the coupled first and second voltage controlled oscillator devices (821,22), and on terminal adapted to reflect a signal from the output terminal, the amplifier device (23) being arranged to amplify an injection signal from said output terminal and to supply the amplified injection signal to one of said first and second voltage controlled oscillation devices (21,22) to provide a VCO arrangement (1) that exhibits low phase noise and a small size.

Abstract translation: 在自注射锁定压控振荡器装置（1）中，一对耦合的第一和第二压控振荡器装置（21,22）布置在芯片（2）上，放大器装置（23）被布置在 反射型芯片（2）和片外延迟线（10）被布置成一个端子连接到耦合的第一和第二压控振荡器装置（821,22）的输出端子，并且在适于反射的端子 来自输出端子的信号，放大器装置（23）被布置成放大来自所述输出端子的注入信号，并将放大的注入信号提供给所述第一和第二压控振荡器件（21,22）之一，以提供 VCO布置（1）表现出低相位噪声和小尺寸。

公开(公告)号：WO2012037980A1

公开(公告)日：2012-03-29

申请号：PCT/EP2010/064113

申请日：2010-09-24

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (publ) ,  BAO, Mingquan

Inventor： BAO, Mingquan

IPC: H04B1/30 ,  H03D3/06

CPC classification number: H03H7/42 ,  H03H7/06 ,  H03H7/19 ,  H03H7/21 ,  H04B1/30

Abstract: A six-port circuit (100) with two input ports and four output ports, comprising a balun (110) for converting signals at one input port into first (112) and second (113) balanced signals, and a filter (105), with first and second input ports and four output ports as the four output ports of the circuit. The six-port circuit also comprises a splitter (120) for splitting second input signals at the other input port into first (121) and second (122) parts. The input ports (V' ιn1 , V' ιn2 ) of the filter (105) are connected so that one of the balanced signals (112) and one of the parts (121) of the second input signals are connected to one of the filter's input ports (V' in1 ), and the other of the balanced signals (113) and the other (122) of the parts of the second input signals are connected to the other of the filter's input ports (V' ιn2 ).

Abstract translation: 具有两个输入端口和四个输出端口的六端口电路（100），包括用于将一个输入端口处的信号转换为第一（112）和第二平衡信号（113）的平衡不平衡变换器（110），以及滤波器（105） 具有第一和第二输入端口和四个输出端口作为电路的四个输出端口。 六端口电路还包括用于将另一输入端口处的第二输入信号分成第一（121）和第二（122）部分的分路器（120）。 滤波器（105）的输入端口（V'→n1，V'→n2）被连接成使得平衡信号（112）中的一个和第二输入信号的部分（121）中的一个连接到 滤波器的输入端口（V'in1）和第二输入信号的部分的平衡信号（113）和另一个（122）中的另一个连接到滤波器的输入端口（V'2n2）中的另一个 。

公开(公告)号：WO2011131237A1

公开(公告)日：2011-10-27

申请号：PCT/EP2010/055259

申请日：2010-04-21

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (publ) ,  BAO, Mingquan ,  ZIRATH, Herbert

Inventor： BAO, Mingquan ,  ZIRATH, Herbert

IPC: H03B21/01

CPC classification number: H03B21/01

Abstract: A frequency tunable signal source (100) with first (105) and a second (115, 315) oscillators, each of which outputs a signal at a fundamental frequency (f 1 , f 2 ) and at least one signal at a harmonic frequency (f 1 ', f 2 ') and a mixer (120) with first (121 ) and second (122) input ports and an output port (124), and a control unit (110) which controls switches (S 1 , S 2 , S 3 , S 4 ), by means of which two of said signals (f 1 , f 2 , f 1 ', f 2 ') are switchably connected to the first input port. The other two signals are switchably to the other input port, with one switch (S 1 , S 2 , S 3 , S 4 ) for each signal (f 1 , f 2 , f 1 ', f 2 '). There is also comprised a third oscillator (125), with an output signal connected to a third input port (123) of the mixer (120). At least one of the oscillators (105, 115, 315, 125) is a VCO, a Voltage Controlled Oscillator.

Abstract translation: 一种具有第一（105）和第二（115,315）振荡器的频率可调信号源（100），每个振荡器输出基频（f1，f2）的信号和谐波频率（f1'）的至少一个信号， ，f2'）和具有第一（121）和第二（122）输入端口的混合器（120）和输出端口（124），以及控制单元（110），其控制开关（S1，S2，S3，S4） 通过其中的两个所述信号（f1，f2，f1'，f2'）可切换地连接到第一输入端口。 另外两个信号切换到另一个输入端口，每个信号（f1，f2，f1'，f2'）有一个开关（S1，S2，S3，S4）。 还包括第三振荡器（125），其输出信号连接到混频器（120）的第三输入端口（123）。 振荡器（105,115,315,125）中的至少一个是VCO，压控振荡器。

公开(公告)号：WO2011116822A1

公开(公告)日：2011-09-29

申请号：PCT/EP2010/053916

申请日：2010-03-25

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (publ) ,  BAO, Mingquan

Inventor： BAO, Mingquan

IPC: H03L7/085 ,  G01R25/00 ,  H03D13/00

CPC classification number: H03L7/085 ,  G01R25/005 ,  H03D13/00

Abstract: A phase detector (100, 400, 800) comprising a balun (150) and input ports (116) at each of the balun's balanced ports. The phase detector (100, 400, 800) has four devices (105, 115, 110, 155) for measuring a signal's amplitude: - a first device (105) at a first input port (116), - a second device (115) at a second input port (117), - a third device (110) between the input ports (116, 117), connected to the ports via a passive component (120, 125; 120', 125'; 120", 125"), - a fourth device (155) at the unbalanced port of the balun (150), The difference between the amplitude values of the third (110) and fourth (155) devices indicate the phase difference and the difference between the amplitude values measured by the first (110) and second (115) devices indicates the phase difference in the region of 0-2π.

Abstract translation: 在每个平衡 - 不平衡转换器的平衡端口中包括平衡不平衡变换器（150）和输入端口（116）的相位检测器（100,400,800）。 相位检测器（100,400,800）具有用于测量信号幅度的四个装置（105,115,110,155）： - 在第一输入端口（116）处的第一装置（105）， - 第二装置（115） ）在第二输入端口（117）处， - 在输入端口（116,117）之间的第三设备（110），经由无源部件（120,125; 120'，125'; 120“，125 “）， - 在平衡不平衡变换器（150）的不平衡端口处的第四设备（155）。第三（110）和第四（155）设备的振幅值之间的差指示相位差和振幅值之间的差 由第一（110）和第二（115）装置测量的装置指示在0-2p的区域中的相位差。

公开(公告)号：WO2009041868A1

公开(公告)日：2009-04-02

申请号：PCT/SE2007/050674

申请日：2007-09-25

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (publ) ,  BAO, Mingquan

Inventor： BAO, Mingquan

IPC: H03B5/12

CPC classification number: H03B5/1228 ,  H03B5/1212 ,  H03B5/1218 ,  H03B5/1231 ,  H03B5/1243 ,  H03B5/1296 ,  H03B2200/001

Abstract: In a Hartley voltage controlled oscillator ( VCO ) circuit comprising two inductors ( L d , L g ), a transistor ( Q1 ) and a varactor (C), the two inductors ( L d , L g ) are arranged as a coupled inductor pair to enable positive mutual inductance ( M ) between them and reduce the size of the VCO.

Abstract translation: 在包括两个电感器（L d，L g），晶体管（Q1）和变容二极管（C）的Hartley压控振荡器（VCO）电路中，两个电感器（L d，L g）被布置为耦合电感器对 以实现它们之间的正互感（M）并且减小VCO的尺寸。

公开(公告)号：WO2012152331A1

公开(公告)日：2012-11-15

申请号：PCT/EP2011/057669

申请日：2011-05-12

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) ,  BAO, Mingquan

Inventor： BAO, Mingquan

IPC: H03L7/093 ,  H03D3/00

CPC classification number: H03L7/093 ,  H03D13/00

Abstract: A phase locked loop (200, 700, 800) with a phase detector (210, 710, 730) whose output signal varies between maximum and minimum points with the phase difference between input signals. A VCO (220, 720, 740) receives the output signal from the phase detector (210, 710, 730) as tuning signal. A first part of the output signal of the VCO (220, 720, 740) is an input signal to the phase detector (210, 710, 730) and a second part is the output signal of the phase locked loop. There is a DC voltage shifter (215, 715, 735) between the phase detector and the VCO, which shifts the DC voltage level of the output signal from the phase detector (210, 710, 730) so that a point at a distance from a centre point between said maximum and minimum points is shifted to zero volts (DC). The phase detector (210, 710, 730) is tunable.

Abstract translation: 具有相位检测器（210,710,730）的锁相环（200,700,800），其输出信号在输入信号之间的相位差在最大和最小点之间变化。 VCO（220,720,740）从相位检测器（210,710,730）接收作为调谐信号的输出信号。 VCO（220,720,740）的输出信号的第一部分是到相位检测器（210,710,730）的输入信号，第二部分是锁相环的输出信号。 在相位检测器和VCO之间存在一个直流电压移位器（215,715,735），它将来自相位检测器（210,710,730）的输出信号的直流电压电平移位，使得距离 所述最大点和最小点之间的中心点移动到零伏特（DC）。 相位检测器（210,710,730）是可调谐的。

公开(公告)号：WO2012059120A1

公开(公告)日：2012-05-10

申请号：PCT/EP2010/066564

申请日：2010-11-01

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (publ) ,  BAO, Mingquan

Inventor： BAO, Mingquan

IPC: H03B5/12

CPC classification number: H03B5/1231 ,  H03B5/1215 ,  H03B5/1218 ,  H03B5/124 ,  H03B5/1293 ,  H03B2201/031

Abstract: An oscillator circuit (100) comprising a VCO (105), the VCO comprising a resonator (115) coupled to a first amplifier (110), with an output signal from the resonator (115) being arranged to be the output signal from the VCO. The oscillator circuit (100) also comprises an amplifier (120) connected to receive the output signal from the VCO, with the output signal of the amplifier (120) being arranged to be the output signal from the oscillator circuit. In the oscillator circuit (100), the second amplifier is arranged to provide the VCO with a feedback signal which is in phase with the phase of the output signal from the VCO, and the second amplifier (120) is arranged to have an amplifier gain as a function of frequency which is such that the amplitude of the output signal from the oscillator circuit (100) is constant over an operational frequency range of the oscillator circuit.

Abstract translation: 包括VCO（105）的振荡器电路（100），所述VCO包括耦合到第一放大器（110）的谐振器（115），来自谐振器（115）的输出信号被布置为来自VCO的输出信号 。 振荡器电路（100）还包括连接到接收来自VCO的输出信号的放大器（120），放大器（120）的输出信号被布置成来自振荡器电路的输出信号。 在振荡器电路（100）中，第二放大器布置成向VCO提供与来自VCO的输出信号的相位同相的反馈信号，并且第二放大器（120）被布置为具有放大器增益 作为频率的函数，使得振荡器电路（100）的输出信号的振幅在振荡器电路的工作频率范围内是恒定的。

公开(公告)号：WO2009120117A1

公开(公告)日：2009-10-01

申请号：PCT/SE2008/050323

申请日：2008-03-25

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (publ) ,  BAO, Mingquan

Inventor： BAO, Mingquan

IPC: H03D7/12

CPC classification number: H03D7/1425 ,  H03D7/1433 ,  H03D7/1441 ,  H03D2200/0023 ,  H03D2200/0088

Abstract: A circuit (300) with inputs (365, 370) for first (LO) and second (IF) unbalanced signals at respective first and second frequencies, also comprising a mixer (303) for the first and second input signals to produce a third signal (RF) at a third frequency at an output port (315). The mixer (303) comprises first (330) and second (335) transistors which are cross-coupled to each other. Output terminals of the transistors are connected to the output port (315), and the mixer (300) also comprises a first impedance (350) connected to ground. The mixer (303), by means of the transistors (330, 335) and the first impedance (350) is an active balun for the first input signal (IF), and the input port (365) for the second signal (LO) comprises a second impedance (360), so that the first (350) and second impedances (360) together act as a passive balun for the second signal (LO).

Abstract translation: 具有用于在相应的第一和第二频率处的第一（LO）和第二（IF）不平衡信号的输入端（365,370）的电路（300），还包括用于第一和第二输入信号的混频器（303），以产生第三信号 （RF）在输出端口（315）处以第三频率。 混合器（303）包括彼此交叉耦合的第一（330）和第二（335）晶体管。 晶体管的输出端连接到输出端口（315），并且混频器（300）还包括连接到地的第一阻抗（350）。 通过晶体管（330,335）和第一阻抗（350）的混频器（303）是用于第一输入信号（IF）的有源平衡 - 不平衡变换器，并且用于第二信号（LO）的输入端口（365） 包括第二阻抗（360），使得第一（350）和第二阻抗（360）一起用作第二信号（LO）的无源平衡 - 不平衡变换器。

公开(公告)号：WO2011050824A1

公开(公告)日：2011-05-05

申请号：PCT/EP2009/007771

申请日：2009-10-30

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) ,  BAO, Mingquan

Inventor： BAO, Mingquan

IPC: H03B5/12 ,  H03B5/18

CPC classification number: H03B5/1206 ,  H03B5/1203 ,  H03B5/1218 ,  H03B5/1228 ,  H03B5/124 ,  H03B5/1281

Abstract: A voltage controlled oscillator, a VCO (100, 300, 400, 500, 600, 700) comprising a resonator (105, 305, 605, 706) connected to an amplifier (110, 310, 610, 710) so that signals from the resonator can pass through the amplifier and be returned to the resonator. The VCO also comprises a tuning circuit (115, 315, 615, 715) for tuneably altering the amplitude of a signal which is input to the tuning circuit. The tuning circuit is connected to a first point (A) in the VCO for accessing a signal and to a second point (B) in the VCO for re-injecting said signal altered in amplitude. The accessed and reinjected signal is given a phase shift which is greater or smaller than the phase shift of a signal which is returned to the resonator after having passed through the amplifier.

Abstract translation: 压控振荡器，VCO（100,300,400,500,600,700），包括连接到放大器（110,310,610,710）的谐振器（105,305,605,706），以使得来自 谐振器可以通过放大器并返回谐振器。 VCO还包括用于可调谐地改变输入到调谐电路的信号的幅度的调谐电路（115,315,615,715）。 调谐电路连接到VCO中用于访问信号的第一点（A）和VCO中的第二点（B），用于重新注入在幅度上改变的信号。 被访问和重新注入的信号被给予相位偏移，该相移大于或小于在通过放大器之后返回到谐振器的信号的相移。

公开(公告)号：WO2008054273A1

公开(公告)日：2008-05-08

申请号：PCT/SE2006/050441

申请日：2006-10-30

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (publ) ,  BAO, Mingquan ,  JACOBSSON, Harald ,  LI, Yinggang

Inventor： BAO, Mingquan ,  JACOBSSON, Harald ,  LI, Yinggang

IPC: H03B5/12 ,  H03B5/14 ,  H03B5/18

CPC classification number: H03B5/1228 ,  H03B5/1203 ,  H03B5/1212 ,  H03B5/1218 ,  H03B5/1231 ,  H03B2200/009

Abstract: In a voltage controlled oscillator (VCO) circuit comprising two transistors (Q1, Q2), the first terminals (Q11; Q21) of each said two transistors (Q1, Q2) are coupled together and to a supply voltage (Vb), two interconnected resonator units (R1, R2), and each of said two resonator units (R1, R2) couples a respective second terminal (Q12; Q22) of said two transistors to third terminals (Q13; Q23) of both said transistors (Q1, Q2).

Abstract translation: 在包括两个晶体管（Q1，Q2）的压控振荡器（VCO）电路中，每个所述两个晶体管（Q1，Q2）的第一端子（Q11; Q21）耦合在一起并连接到电源电压（Vb），两个互连 谐振器单元（R1，R2），并且所述两个谐振器单元（R1，R2）中的每一个将所述两个晶体管的相应第二端子（Q12; Q22）耦合到所述晶体管（Q1，Q2）的第三端子（Q13; Q23） ）。