公开(公告)号：US4955079A

公开(公告)日：1990-09-04

申请号：US414340

申请日：1989-09-29

申请人： William R. Connerney ,  Mark E. Raposo ,  Winslow G. Round ,  Raymond T. Pavio

发明人： William R. Connerney ,  Mark E. Raposo ,  Winslow G. Round ,  Raymond T. Pavio

IPC分类号： H01P5/107 ,  H03B19/18 ,  H03D7/14 ,  H03D9/06

CPC分类号： H03D9/0641 ,  H03B19/18 ,  H03D2200/0017 ,  H03D2200/0023 ,  H03D2200/0082 ,  H03D7/1408 ,  H03D9/0633

摘要： A subharmonic mixer is shown to comprise two pairs of matched antiparallel GaAs diodes disposed on a dielectric slab and operative with microstrip circuitry. By suppressing the fundamental mixing products, mixing the radio frequency signal with the second harmonic of a local oscillator (LO) signal and using relative phase differences of the LO signals in the two pairs of diodes, undesirable effects from spurious signals are minimized.

公开(公告)号：US4742571A

公开(公告)日：1988-05-03

申请号：US887430

申请日：1986-07-21

申请人： Yves Letron

发明人： Yves Letron

IPC分类号： H01P5/08 ,  H03D9/06 ,  H04B1/26 ,  H01P5/107

CPC分类号： H03D9/0641 ,  H01P5/08 ,  H03D2200/0017 ,  H03D9/0633

摘要： The invention provides a coupling device between a metal wave guide (three dimensional system) and an electronic signal processing circuit (two dimensional system). The transition is provided by means of a dielectric wave guide introduced longitudinally into the metal wave guide. A chamfer cut in the dielectric guide concentrates the energy of the input signal on a face of the dielectric bar, at the interface with another dielectric material (isolated image guide). At this interface, a microstrip line transmits the energy to a semiconductor component.

摘要翻译： 本发明提供金属波导（三维系统）和电子信号处理电路（二维系统）之间的耦合装置。 通过纵向引入到金属波导中的介质波导来提供转变。 电介质导向器中的倒角在与另一介质材料（隔离图像引导件）的界面处将输入信号的能量集中在介质棒的表面上。 在该界面处，微带线将能量传输到半导体部件。

公开(公告)号：US4739519A

公开(公告)日：1988-04-19

申请号：US793569

申请日：1985-10-31

申请人： Eugene C. Findley

发明人： Eugene C. Findley

IPC分类号： H01P5/10 ,  H03D7/14 ,  H03D9/06 ,  H04B1/26 ,  H01P5/18

CPC分类号： H03D9/0641 ,  H01P5/10 ,  H03D2200/0017 ,  H03D2200/0023 ,  H03D7/1408 ,  H03D9/0633

摘要： A coplanar microwave balun is disclosed in which a signal propagating along a coplanar waveguide in an unbalanced mode is launched onto another coplanar transmission line in the balanced mode. One of the ground planes of the latter transmission line itself is separated into a pair of regions which constitute the ground planes of the coplanar waveguide. These pair of regions are electrically connected, e.g., by ribbon bonds that bridge across the transmission line strip of the coplanar waveguide. The end of that transmission line strip bridges across the coplanar transmission line and acts to launch the signal thereto. The inventive balun advantageously is employed in a three port device having isolated inputs from which separate signals may be multiplexed onto a common line, and may be used in other multiplexer, mixer and modulator assemblies.

摘要翻译： 公开了一种共面微波平衡不平衡变换器，其中以平衡模式沿着共面波导传播的信号以平衡模式发射到另一共面传输线上。 后一传输线本身的一个接地平面被分成一对构成共面波导的接地平面的区域。 这些区域电连接，例如通过跨接在共面波导的传输线条上的带状键。 传输线条的端部穿过共面传输线桥接并用于向其发射信号。 本发明的平衡 - 不平衡变换器有利地用在具有隔离输入的三端口装置中，单独的信号可以从该输入端复用到公共线上，并且可以用于其它多路复用器，混频器和调制器组件中。

公开(公告)号：US4313222A

公开(公告)日：1982-01-26

申请号：US149028

申请日：1980-05-12

申请人： Walter Katthan

发明人： Walter Katthan

IPC分类号： H03D7/00 ,  H04B1/26

CPC分类号： H03D7/00 ,  H03D2200/0017

摘要： The output electrode of a field effect transistor of a high-frequency input stage is connected to a capacitively coupled input (gate) electrode of the field effect transistor of a mixer stage through one of a pair of bifilarly wound coils provided on a ferrite core, while the second of these coils connects the same input of the mixer stage to the output of a local oscillator in such a way that two signal paths leading towards the mixer stage, respectively for the high-frequency signal and the oscillator signal, go through coupled coils in opposite winding directions. The result is that the path for signals in either direction between the local oscillator and the input stage are of much higher impedance than the paths for signals proceeding to the mixer stage respectively from the input stage and from the local oscillator.

摘要翻译： 高频输入级的场效应晶体管的输出电极通过设置在铁氧体磁芯上的一对双线绕组的线圈之一连接到混频级的场效应晶体管的电容耦合输入（栅）电极， 而这些线圈中的第二个线圈将混频器级的相同输入端连接到本地振荡器的输出端，使得分别针对高频信号和振荡器信号通向混频器级的两个信号路径经过耦合 线圈绕着相反的方向。 结果是，本地振荡器和输入级之间的任一方向上的信号路径的阻抗比分别从输入级和本地振荡器进入混频器级的信号的路径高得多。

公开(公告)号：US4270224A

公开(公告)日：1981-05-26

申请号：US125700

申请日：1980-02-28

申请人： Jacques Blondel ,  Jean-Rene Mahieu

发明人： Jacques Blondel ,  Jean-Rene Mahieu

IPC分类号： H01P1/20 ,  H01P5/08 ,  H01P5/107 ,  H03D7/14 ,  H03D9/06 ,  H04B1/26

CPC分类号： H01P5/107 ,  H03D9/0641 ,  H03D2200/0017 ,  H03D7/1408

摘要： The converter consists of a waveguide through which passes at right-angles a dielectric wafer for a microstrip. On each side of the waveguide this strip forms a microstrip line section. In the waveguide two chip diodes in series connecting the middles of the large walls of the guide have their common point connected to the strip.

摘要翻译： 该转换器由一个波导构成，通过该波导以直角通过用于微带的介质晶片。 在波导的每一侧，该条形成微带线部分。 在波导中，串联连接引导件的大壁的中间的两个芯片二极管的共同点连接到条带。

公开(公告)号：US4032849A

公开(公告)日：1977-06-28

申请号：US719884

申请日：1976-09-01

申请人： Ulrich H. Gysel ,  Ashok K. Gorwara

发明人： Ulrich H. Gysel ,  Ashok K. Gorwara

IPC分类号： H03D7/14 ,  H03D9/06 ,  H04B1/26

CPC分类号： H03D9/0641 ,  H03D2200/0017 ,  H03D2200/0023 ,  H03D2200/0037 ,  H03D7/1408 ,  H03D9/0625 ,  H03D9/0633

摘要： A broadband millimeter wave (26.5-40 GHz) mixer/converter utilizing slotl and coplanar strip-line for the construction of the hybrid junction. The RF and local oscillator signals are applied 180.degree. out of phase to a pair of beam-lead diodes. A diplexer consisting of a low-pass filter and a bandpass filter is also provided to separate the IF and LO signals. A first microwave integrated circuit (MIC) card carries the waveguide to slotline transition, the slotline transmission section, the tapered coplanar waveguide section and the LO bandpass filter. A pair of Schottky-barrier diodes are connected across the transmission channels of the coplanar waveguide section to form the hybrid junction. The LO input is applied to a section of suspended strip-line on this first MIC card. A second MIC card carries the IF low-pass filter and couples to the IF output of the mixer.

公开(公告)号：US3890573A

公开(公告)日：1975-06-17

申请号：US47794374

申请日：1974-06-10

申请人： SPERRY RAND CORP

发明人： STRENGLEIN HARRY F

IPC分类号： H03B19/18 ,  H03D9/06 ,  H04B1/26

CPC分类号： H03D9/0633 ,  H03B19/18 ,  H03D2200/0017

摘要： A high conversion efficiency harmonic signal mixer is provided by employing in a mixer circuit a non-rectifying semiconductor device having a generally symmetric response in the first and third quadrants of its voltage-current characteristic curve and a substantially central substantially non-conducting response adjacent the zero voltage and zero current origin of the characteristic curve.

摘要翻译： 通过在混频器电路中采用具有在其电压 - 电流特性曲线的第一和第三象限中具有大致对称响应的非整流半导体器件以及与其相邻的基本上中心的基本不导通的响应来提供高转换效率谐波信号混频器 零电压和零电流原点的特性曲线。

公开(公告)号：US20140220921A1

公开(公告)日：2014-08-07

申请号：US14250195

申请日：2014-04-10

申请人： AVIACOMM INC.

发明人： Shih Hsiung Mo ,  Yan Cui ,  Chung-Hsing Chang

IPC分类号： H04B1/00

CPC分类号： H04B1/0053 ,  H03D7/165 ,  H03D2200/0017 ,  H03D2200/005 ,  H04L27/38

摘要： One embodiment of the present invention provides a receiver for wireless communication. The receiver includes a demodulator and at least one filtering mechanism coupled to the demodulator, and an analog-to-digital converter (ADC) coupled to the filtering mechanism. The filtering mechanism can be configured to function as a low-pass filter (LPF) or a band-pass filter (BPF), thereby enabling the receiver to function as a direct-conversion receiver or a low-intermediate frequency (low-IF) receiver.

摘要翻译： 本发明的一个实施例提供了一种用于无线通信的接收机。 接收机包括解调器和耦合到解调器的至少一个滤波机构以及耦合到滤波机构的模数转换器（ADC）。 滤波机构可以配置为用作低通滤波器（LPF）或带通滤波器（BPF），从而使接收机能够用作直接转换接收机或低中频（低中频） 接收器。

公开(公告)号：US08706071B2

公开(公告)日：2014-04-22

申请号：US13363083

申请日：2012-01-31

申请人： Shih Hsiung Mo ,  Yan Cui ,  Chung-Hsing Chang

发明人： Shih Hsiung Mo ,  Yan Cui ,  Chung-Hsing Chang

IPC分类号： H04B1/26 ,  H04K3/00

CPC分类号： H04B1/0053 ,  H03D7/165 ,  H03D2200/0017 ,  H03D2200/005 ,  H04L27/38

摘要： One embodiment of the present invention provides a receiver for wireless communication. The receiver includes a demodulator and at least one filtering mechanism coupled to the demodulator, and an analog-to-digital converter (ADC) coupled to the filtering mechanism. The filtering mechanism can be configured to function as a low-pass filter (LPF) or a band-pass filter (BPF), thereby enabling the receiver to function as a direct-conversion receiver or a low-intermediate frequency (low-IF) receiver.

摘要翻译： 本发明的一个实施例提供了一种用于无线通信的接收机。 接收机包括解调器和耦合到解调器的至少一个滤波机构以及耦合到滤波机构的模数转换器（ADC）。 滤波机构可以配置为用作低通滤波器（LPF）或带通滤波器（BPF），从而使接收机能够用作直接转换接收机或低中频（低中频） 接收器。

公开(公告)号：US5974306A

公开(公告)日：1999-10-26

申请号：US908995

申请日：1997-08-08

申请人： Thomas Hornak ,  Knud Knudsen

发明人： Thomas Hornak ,  Knud Knudsen

IPC分类号： H04L27/34 ,  H03B19/00 ,  H03B27/00 ,  H03D7/00 ,  H03D7/14 ,  H03D7/16 ,  H03D7/18 ,  H04B1/10 ,  H04B1/26 ,  H04L27/18 ,  H04B1/16

CPC分类号： H03D7/18 ,  H03D7/00 ,  H03D7/1441 ,  H03D7/1458 ,  H03D7/1483 ,  H03D7/165 ,  H03B19/00 ,  H03B2200/0064 ,  H03B27/00 ,  H03D2200/0017 ,  H03D2200/0025 ,  H03D2200/0027 ,  H03D2200/0043 ,  H03D2200/0047 ,  H03D2200/005 ,  H03D2200/006 ,  H03D2200/0078 ,  H03D2200/0082 ,  H03D7/161

摘要： An image-rejecting receiver comprises a tunable mixer stage, a time-share I-Q mixer stage, a complex filter, and an image rejector. The time-share I-Q mixer stage includes a switch assembly, inphase and quadrature polarity inverters, and a clock generator. The switch assembly generates pulses and distributes them in alternation to the polarity inverters. Performing distribution prior to polarity inversion preserves the orthogonality of the inphase and quadrature target signal components despite pulse-to-pulse bleeding. Charge accumulated at the distributor switch input is dumped between pulses to further minimize such bleeding. A current-mode field-effect-transistor implementation ensures unity gain across each polarity inverter so that they are gain-matched. Gain matching and preservation of orthogonality optimize the conditions for the complex filter to attenuate and for the image rejector to cancel an image signal. The polarity inverters are switched in quadrature to relax polarity-inverter transition timing tolerances, decreasing costs and increasing reliability.

摘要翻译： 图像拒绝接收机包括可调谐混频器级，时分共享I-Q混频器级，复合滤波器和图像排出器。 时分I-Q混频器级包括开关组件，同相和正交极性反相器以及时钟发生器。 开关组件产生脉冲并将它们分配给极性反相器。 在极性反转之前执行分布保持了脉冲到脉冲出血的同相和正交目标信号分量的正交性。 在分配器开关输入处累积的电荷被倾倒在脉冲之间，以进一步最小化这种出血。 电流模式场效应晶体管实现确保每个极性反相器的单位增益，使得它们是增益匹配的。 增益匹配和保存正交性优化复合滤波器衰减的条件，并为图像排除器取消图像信号。 极性反相器切换正交以松弛极性 - 反相器转换时序公差，降低成本并增加可靠性。