| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 1 | 双向放大设备以及具有该设备的半双工通信系统和方法 | CN200610008335.3 | 2006-02-17 | CN1858994A | 2006-11-08 | 张恒峰 |
| 本发明提供一种双向放大设备以及具有该设备的半双工通信系统和方法。该双向放大设备包括：一放大器；一传输方向判断装置，用于判断输入该双向放大设备的数据信号的传输方向，并根据判断的传输方向发出开关控制信号；和一开关装置，用于根据开关控制信号切换其状态以使得放大器对该传输方向上的数据信号进行放大。依照本发明，通过判断数据信号的传输方向，并根据确定的传输方向并利用放大器对该传输方向上传输的数据信号进行放大，可以实现单频点双向传输的数据信号的放大。 | ||||||
| 2 | 半导体放大器电路与系统 | CN99808277.5 | 1999-07-06 | CN1187890C | 2005-02-02 | 林锭二; 木村博 |
| 本发明的目的为提供具有其中在至少特定频带中改进了输出电导的负特征的共射-共基放大器的半导体放大器电路。半导体放大器(1)包含具有级联的晶体管(101)与晶体管(102)的共射-共基放大器(500)、及用于至少在特定的频带中改进该共射-共基放大器(500)的输出电导GOUT的负特征的改进装置。 | ||||||
| 3 | 多级可变增益放大器电路 | CN97103741.8 | 1997-03-31 | CN1165429A | 1997-11-19 | 五十岚贞男; 青木一晴; 卜部悟 |
| 本发明涉及多级放大器电路，包括放大输入信号的电流恒定模式可变放大电路和进一步放大经第一可变放大电路放大信号的电流可变模式可变放大电路。AGC电压同时加在电流恒定模式可变放大电路放大度控制晶体管和电流可变模式可变放大电路放大度控制晶体管的基极与发射极之间。晶体管集电极电流随线性变化AGC电压呈指数变化。各自正比于集电极电流的电流在晶体管中流动。因此，电流恒定模式可变放大电路增益(dB)随AGC电压呈线性变化。 | ||||||
| 4 | 缓冲放大器电路 | CN201480027520.X | 2014-03-14 | CN105247783A | 2016-01-13 | 李海升 |
| 用电压增益基本上等于一的缓冲放大器实现的放大器电路。在一个示例中，通过跨缓冲放大器的输入端子和输出端子施加输入源来实现连续时间放大器。在另一个示例中，实现离散时间放大器。在采样阶段期间，对至少一个输入电压进行采样，在传输阶段期间，至少一个电容器跨缓冲放大器的输入端子和输出端子被耦合来实现放大。 | ||||||
| 5 | 具有旁路信号的返回路径减噪放大器 | CN201410257845.9 | 2014-06-12 | CN104253966A | 2014-12-31 | 林康; 王乔恩 |
| 一个具有一放大路径与一旁路路径以便承载RF信号的放大器系统。在该放大器系统内的一个开关响应该放大器系统的正常状态而将该RF信号通过该放大路径传递，并响应该放大器系统的不正常状态而将该RF信号通过该旁路路径传递。该放大路径包含一个放大前向电路及一个返回电路。该放大前向电路包含一个放大器而该返回电路具有一个返回放大器及一个探测电路以便提供功率给该返回放大器。该探测电路响应该返回电路的正常状态而提供功率给该回放大器，并响应该返回电路的不正常状态而移除给该回放大器的功率。 | ||||||
| 6 | 双向放大设备以及具有该设备的半双工通信系统和方法 | CN200610008335.3 | 2006-02-17 | CN100557959C | 2009-11-04 | 张恒峰 |
| 本发明提供一种双向放大设备以及具有该设备的半双工通信系统和方法。该双向放大设备包括：一放大器；一传输方向判断装置，用于判断输入该双向放大设备的数据信号的传输方向，并根据判断的传输方向发出开关控制信号；和一开关装置，用于根据开关控制信号切换其状态以使得放大器对该传输方向上的数据信号进行放大。依照本发明，通过判断数据信号的传输方向，并根据确定的传输方向并利用放大器对该传输方向上传输的数据信号进行放大，可以实现单频点双向传输的数据信号的放大。 | ||||||
| 7 | 半导体放大器电路与系统 | CN99808277.5 | 1999-07-06 | CN1308788A | 2001-08-15 | 林锭二; 木村博 |
| 本发明的目的为提供具有其中在至少特定频带中改进了输出电导的负特征的共射－共基放大器的半导体放大器电路。半导体放大器1包含具有级联的晶体管101与晶体管102的共射－共基放大器500、及用于至少在特定的频带中改进该共射－共基放大器500的输出电导GOUT的负特征的改进装置。 | ||||||
| 8 | 一种TDD模式的双向放大器 | CN201610983518.0 | 2016-11-08 | CN106571850A | 2017-04-19 | 姚建海; 孟剑 |
| 本发明公开了一种TDD模式的双向放大器，双向放大器包括开关电路、发射电路、收发隔离电路、接收电路及收发控制电路；所述收发隔离电路包括双环形器，所述发射电路的输出端与所述双环形器的输入端相连接，所述接收电路的输入端与所述双环形器的接收端相连接，所述双环形器的天线端连接天线，所述天线端接收/发送天线信号，所述收发控制电路与所述开关电路、发射电路、接收电路以及所述收发隔离电路相连接，本发明提供了一种基于TDD模式的接收和发射高隔离电路，同时满足了低噪声接收的要求以及线性大功率输出的要求，并能稳定抗干扰的进行工作。 | ||||||
| 9 | 放大器电路 | CN200410068649.3 | 2004-09-03 | CN1592086B | 2010-05-12 | H·胡伯; T·奥拉赫 |
| 一放大器电路(1)系加以提供，其中藉由降低该放大器电路(1)之功率损耗的观点，一电流路径(6)系被提供于该放大器电路之一第一输出终端(A1)以及一第二输出终端(A2)之间，且该电流路径在一能量撷取位于该放大器电路(1)之输出端的状况下系为打开的，因此，该一输出终端(A1)所撷取的该电能系可以立即地经由该另一输出终端(A2)而排出，若是没有能量撷取经由该放大器电路(1)之该输出端而发生，却是相反的电能藉由该放大器电路(1)而加以释放时，则在该两输出终端(A1，A2)间的该电流路径(6)系会被关闭。 | ||||||
| 10 | 双向放大设备以及具有该设备的半双工通信系统和方法 | CN200680012180.9 | 2006-10-08 | CN101160737A | 2008-04-09 | 张恒峰 |
| 本发明提供一种双向放大设备以及具有该设备的半双工通信系统和方法。该双向放大设备包括：一放大器；一传输方向判断装置，用于判断输入该双向放大设备的数据信号的传输方向，并根据判断的传输方向发出开关控制信号；和一开关装置，用于根据开关控制信号切换其状态以使得放大器对该传输方向上的数据信号进行放大。依照本发明，通过判断数据信号的传输方向，并根据确定的传输方向并利用放大器对该传输方向上传输的数据信号进行放大，可以实现单频点双向传输的数据信号的放大。 | ||||||
| 11 | 放大器电路 | CN200410068649.3 | 2004-09-03 | CN1592086A | 2005-03-09 | H·胡伯; T·奥拉赫 |
| 一放大器电路(1)系加以提供，其中藉由降低该放大器电路(1)之功率损耗的观点，一电流路径(6)系被提供于该放大器电路之一第一输出终端(A1)以及一第二输出终端(A2)之间，且该电流路径在一能量撷取位于该放大器电路(1)之输出端的状况下系为打开的，因此，该一输出终端(A1)所撷取的该电能系可以立即地经由该另一输出终端(A2)而排出，若是没有能量撷取经由该放大器电路(1)之该输出端而发生，却是相反的电能藉由该放大器电路(1)而加以释放时，则在该两输出终端(A1，A2)间的该电流路径(6)系会被关闭。 | ||||||
| 12 | 多级可变增益放大器电路 | CN97103741.8 | 1997-03-31 | CN1110129C | 2003-05-28 | 五十岚贞男; 青木一晴; 卜部悟 |
| 本发明涉及多级放大器电路，包括放大输入信号的电流恒定模式可变放大电路和进一步放大经第一可变放大电路放大信号的电流可变模式可变放大电路。AGC电压同时加在电流恒定模式可变放大电路放大度控制晶体管和电流可变模式可变放大电路放大度控制晶体管的基极与发射极之间。晶体管集电极电流随线性变化AGC电压呈指数变化。各自正比于集电极电流的电流在晶体管中流动。因此，电流恒定模式可变放大电路增益(dB)随AGC电压呈线性变化。 | ||||||
| 13 | 출력 커플러를 가지는 저잡음 증폭기 모듈 | KR20177032016 | 2016-04-08 | KR20180004135A | 2018-01-10 | |
| 출력커플러(640)를가지는증폭기모듈(600)이개시된다. 증폭기모듈(600)은복수의입력단자들(601-605) 및 2 또는그 초과의출력단자들(610, 611)을포함할수 있다. 각각의입력단자는독립적인증폭기(620-624)의입력에커플링될수 있다. 독립적인증폭기들(620-624)로부터의출력들은 2 또는그 초과의출력단자들(610, 611)에커플링될수 있다. 증폭기모듈(600)은 2 또는그 초과의출력단자들(610, 611)을함께커플링하기위하여출력커플러(640)를포함할수 있다. 신호는제1 출력단자(610)에의해수신되고출력커플러(640)에의해제2 출력단자(611)에커플링될수 있다. 일부실시예들에서, 2 또는그 초과의출력단자들(610, 611)이함께커플링될때, 독립적인증폭기들(620-624)은비활성화되거나최소이득구성으로동작될수 있다. | ||||||
| 14 | 다단 가변이득 증폭회로 | KR1019970011040 | 1997-03-28 | KR100248886B1 | 2000-03-15 | 이가라시사다오; 아오끼가즈하루; 우라베사또시 |
| 다단 가변증폭 회로에 있어서 소비전류를 저감하고, 입력인터셉트·포인트와 이득의 직선성을 향상시킨다. 입력신호를 증폭하는 전류일정형 가변증폭 회로(1)와, 제 1가변증폭 회로에 의해 증폭된 신호를 다시 증폭하는 전류가변형 가변증폭 회로(2, 3)에 의해 다단증폭회로를 구성하였다. AGC전압(VAGC)는 전류일정형 가변증폭 회로(1)의 증폭도 제어트랜지스터(Q14)와 전류가변형 가변증폭 회로(2, 3)의 증폭도 제어트랜지스터(Q15, Q16)의 각 베이스와 에미터 사이에 공통으로 인가되고, 트랜지스터(Q14, Q15, Q16)의 콜렉터 전류는 직선적으로 변화하는 AGC전압(VAGC)에 대하여 지수 함수적으로 변화한다. 트랜지스터(Q1, Q4)에는 트랜지스터(Q14)의 콜렉터전류에 비례하는 전류가 흐르고, 전류일정형 가변증폭 회로(1)의 이득(PG)(dB)이 AGC전압(VAGC)에 대하여 직선적으로 변화한다. | ||||||
| 15 | N-WAY STAR CONFIGURATION POWER AMPLIFIER WITH PEAKING AMPLIFIER IMPEDANCE INVERTERS | US15852595 | 2017-12-22 | US20180183388A1 | 2018-06-28 | Bi Ngoc Pham |
| Multi-way amplifiers having impedance inverters connected to outputs of one or more peaking amplifiers are described. The output of the main amplifier may connect directly to a combining node and output impedance matching network. The multi-way amplifier configuration can improve efficiency at power back-off and improve RF bandwidth. | ||||||
| 16 | BIDIRECTIONAL AMPLIFIER | US15646991 | 2017-07-11 | US20180019719A1 | 2018-01-18 | Jonathan Roderick |
| A bidirectional amplifier includes first and second ports, with a first summing node connected to the first port and a second summing node connected to the second port. First and second gain stages are connected between the first and second summing nodes, respectively, and a first node. First and second feedback stages are also connected between the first and second summing nodes, respectively, and the first node. The amplifier operates in a first mode in which an amplified version of a signal applied to the first port is provided at the second port, or a second mode in which an amplified version of a signal applied to the second port is provided at the first port. The first and second gain stages are preferably first and second common emitter cascode arrangements, and the first and second feedback stages are preferably first and second emitter followers. | ||||||
| 17 | Return path noise reducing amplifier with bypass signal | US14181636 | 2014-02-15 | US09654062B2 | 2017-05-16 | Kang Lin; Jon-En Wang |
| An amplifier system an amplified path and a bypass path for carrying an RF signal. A switch in the amplified system routes the RF signal through the amplified path in response to a normal condition in the amplifier system, and routes the RF signal through the bypass path in response to an abnormal condition in the amplifier system. The amplified path includes an amplified forward circuit and a return circuit. The amplified forward circuit has an amplifier, and the return circuit has a return amplifier and detection circuitry for providing power to the return amplifier. The detection circuitry provides power to the return amplifier in response to a normal condition in the return circuit, and removes power from the return amplifier in response to an abnormal condition in the return circuit. | ||||||
| 18 | Amplifier Device | US15118960 | 2014-12-24 | US20170054423A1 | 2017-02-23 | Jan Ariesen; Gerrit Boskaljon; Martien Rijssemus |
| There is provided an amplifier device for a CATV network comprising a first amplifier element for upstream signals and a second amplifier element for downstream signals, wherein the first and second amplifier elements are disposed between first and second directional couplers. The combined isolation of the first and second directional couplers is greater than the sum of the gain of the first and second amplifier elements. The first directional coupler has one port attached to an input of the downstream amplification element and one port attached to an output of an upstream amplification element (38) and the second directional coupler has one port attached to an output of the downstream amplifier and one port attached to an input of the upstream amplifier. | ||||||
| 19 | Buffer Amplifier Circuit | US14723044 | 2015-05-27 | US20150280658A1 | 2015-10-01 | Hae-Seung Lee |
| Amplifier circuits implemented with a buffer amplifier with a voltage gain substantially equal to one. In one example, a continuous-time amplifier is implemented by applying the input source across the input and the output terminals of the buffer amplifier. In another example, a discrete-time amplifier is implemented. During the sampling phase at least one input voltage is sampled, and during the transfer phase at least one capacitor is coupled across the input and the output terminals of a buffer amplifier to effectuate an amplification. | ||||||
| 20 | Distribution and amplification systems that automatically terminate to a matched termination in response to power interruptions and related methods | US12779119 | 2010-05-13 | US08296818B2 | 2012-10-23 | Robert Ryan Riggsby |
| Distribution and amplification systems for cable television networks include a tap unit having a first RF tap port and a second RF tap port, a voice-over IP (“VoIP”) RF signal amplifier and a non-VoIP RF signal amplifier. The VoIP RF signal amplifier is connected to the first RF tap port of the tap unit, and includes an amplified signal path and a passive, non-interruptible signal path. The non-VoIP RF signal amplifier is connected to the second RF tap port of the tap unit, and includes an amplified signal path. The VoIP and non-VoIP RF signal amplifiers are each configured to terminate their amplified signal paths to respective matched terminations in response to a power outage. | ||||||
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