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91. 发明授权

US09819421B1 Extracting an embedded DC signal to provide a reference voltage for an optical receiver 有权
公开(公告)号：US09819421B1
公开(公告)日：2017-11-14
申请号：US15204372
申请日：2016-07-07
申请人： Oracle International Corporation
发明人： Jingqiong Xie , Ashok V. Krishnamoorthy , Xuezhe Zheng , Jeffrey W. Denq , Kannan Raj , John E. Cunningham , Hiren D. Thacker
IPC分类号： H04B10/69
CPC分类号： H04B10/693
摘要： An optical receiver includes: an active transimpedance amplifier (TIA) that converts a photocurrent from a photosensor into an active voltage signal; a high-speed amplifier that amplifies the active voltage signal to produce an amplified voltage signal that comprises an output for the optical receiver; and a reference-voltage-generation circuit that generates a reference voltage for the high-speed amplifier. This reference-voltage-generation circuit includes a dummy TIA that is identical to the active TIA, but does not receive a live input signal, and produces a dummy voltage signal. It also includes a low-speed amplifier which includes: an active input that receives the active voltage signal from the active TIA output; a dummy input that receives the dummy voltage signal from the dummy TIA output; and an output that controls directly or indirectly the reference voltage for the high-speed amplifier. In the direct control case, the output of low-speed amplifier includes a feedback connection that feeds back into the dummy input. In the indirect control case, the output of low-speed amplifier adjusts the reference voltage for the high-speed amplifier through dummy TIA internal biasing.

92. 发明授权

US09780886B2 Circuit arrangement and method for receiving optical signals 有权
公开(公告)号：US09780886B2
公开(公告)日：2017-10-03
申请号：US14926862
申请日：2015-10-29
申请人： SILICON LINE GMBH
发明人： Ols Hidri , Martin Groepl , Holger Hoeltke
IPC分类号： H04B10/69 , H03F17/00 , H03F3/08
CPC分类号： H04B10/6931 , H03F3/08 , H03F17/00 , H04B10/693 , H04B10/6933 , H04B2210/074
摘要： In order to further develop a circuit arrangement (CR; CR′) for receiving optical signals (SI) from at least one optical guide (GU), said circuit arrangement (CR; CR′) comprising: at least one light-receiving component (PD) for converting the optical signals (SI) into electrical current signals (IPD), at least one transimpedance amplifier (TA), being provided with the electrical current signals (IPD) from the light-receiving component (PD), at least one automatic gain controller (AG) for controlling the gain or transimpedance (R) of the transimpedance amplifier (TA), at least one integrator (IN) in a feedback path (FP), said integrator (IN) generating a control signal (Vint), at least one voltage-controlled current source (CS), being provided with the control signal (Vint) from the integrator (IN), at least one limiter (LI) acting as a comparator and generating in its output a logic level for positive or negative voltages in its input, and a corresponding method in such a way that a multilevel optical link can be provided, at least one second transimpedance amplifier (TA2) arranged in parallel to the transimpedance amplifier (TA), and at least one automatic offset controller (AO) for setting the voltage (Voffset) for the second transimpedance amplifier (TA2) are proposed.

93. 发明授权

US09762186B2 Regulated cascode (RGC)-type burst mode optic pre-amplifier having extended linear input range 有权
公开(公告)号：US09762186B2
公开(公告)日：2017-09-12
申请号：US14887869
申请日：2015-10-20
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
发明人： Young Ho Kim
IPC分类号： H03F3/08 , H04B10/67 , H03F1/02 , H03F1/22 , H03F3/45
CPC分类号： H03F3/082 , H03F1/0211 , H03F1/223 , H03F3/08 , H03F3/085 , H03F3/45197 , H03F2200/435 , H04B10/272 , H04B10/673 , H04B10/693 , H04B10/6931
摘要： A Regulated Cascode (RGC)-type burst mode optic pre-amplifier having an extended linear input range. The burst mode optic pre-amplifier comprises an RGC-type Trans Impedance Amplifier (TIA), wherein a current path is added in the circuit of the RGC-type TIA to control a linearity state of the RGC-type TIA, and a main voltage gain is controlled in other circuit blocks after the RGC-type TIA.

94. 发明授权

US09692358B2 Circuitry 有权
公开(公告)号：US09692358B2
公开(公告)日：2017-06-27
申请号：US14719647
申请日：2015-05-22
申请人： Hilight Semiconductor Limited
发明人： Derek John Hutchins , Patrick Etienne Richard
IPC分类号： H03F3/08 , H03F1/02 , H03F3/45 , H03F1/08 , H04B10/69 , H03F1/52
CPC分类号： H03F1/0205 , H03F1/08 , H03F1/523 , H03F3/082 , H03F3/087 , H03F3/45076 , H03F2200/444 , H03F2203/45116 , H03F2203/45336 , H04B10/693
摘要： Trans-impedance amplifier circuitry having an amplifier; a feedback resistor arranged between an output of the amplifier and an input of the amplifier; and at least one further resistor arranged physically parallel to the feedback resistor.

95. 发明申请

US20170163352A1 TRANS-IMPEDANCE AMPLIFIER AND OPTICAL RECEIVER INCLUDING THE SAME 有权
公开(公告)号：US20170163352A1
公开(公告)日：2017-06-08
申请号：US15356159
申请日：2016-11-18
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Yoshiyuki SUGIMOTO , Taizo TATSUMI
IPC分类号： H04B10/69 , H03F1/02 , H03F3/08
CPC分类号： H04B10/691 , H03F1/0233 , H03F3/08 , H03F3/085 , H03F3/087 , H03F2200/435 , H03F2200/471 , H04B10/272 , H04B10/693
摘要： A TIA converts a current signal received at its terminal to a voltage signal. The TIA includes an amplifier that includes an input node connected to the terminal and that converts a current signal received at the input node to a voltage signal; a first diode whose cathode is connected to the terminal; a second diode whose anode is connected to the terminal; a first current source connected to an anode of the first diode, the first current source supplying a first forward current to the first diode; a second current source connected to a cathode of the second diode, the second current source supplying a second forward current to the second diode; and a controller that controls forward currents respectively generated by the first current source and the second current source in accordance with an increase and decrease in the voltage signal.

96. 发明申请

US20170126190A1 SIMULTANEOUS BANDWIDTH EXTENSION AT HIGH GAIN AND PEAKING REDUCTION AT MINIMUM GAIN FOR WIDEBAND, VARIABLE GAIN, LINEAR OPTICAL RECEIVERS 有权
公开(公告)号：US20170126190A1
公开(公告)日：2017-05-04
申请号：US14927738
申请日：2015-10-30
申请人： Avago Technologies General IP (Singapore) Pte. Ltd.
发明人： Behrooz Nakhkoob , Georgios Asmanis , Faouzi Chaahoub
IPC分类号： H03G3/30 , H03F3/08 , H04B10/25
CPC分类号： H04B10/693 , H03F1/083 , H03F3/08 , H03F3/087 , H03F2200/405 , H03G3/3084 , H03G5/28 , H04B10/25
摘要： An optical communication system, a linear optical receiver, and an Integrated Circuit (IC) chip are disclosed, among other things. One example of the disclosed IC chip includes a transimpedance amplifier that receives an input electrical signal from a photodiode and provides an amplified version of the input electrical signal as an output, at least one variable gain amplifier that receives the amplified electrical signal output by the transimpedance amplifier and a bandwidth control mechanism that extends a bandwidth of the second amplified output at a maximum gain of the second amplification phase and also reduces a peaking of the second amplified output at a minimum gain of the second amplification phase.

97. 发明授权

US09490932B2 Burst signal receiving apparatus and method, PON optical line terminal, and PON system 有权
标题翻译：突发信号接收装置和方法，PON光线路终端和PON系统
公开(公告)号：US09490932B2
公开(公告)日：2016-11-08
申请号：US14401871
申请日：2013-02-05
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Daisuke Umeda
IPC分类号： H04J14/08 , H04B10/272 , H04B10/69 , H03G3/30 , H04L7/00
CPC分类号： H04J14/08 , H03G3/3084 , H04B10/272 , H04B10/693 , H04L7/0029 , H04L7/0075 , H04L7/0087
摘要： The present invention relates to a receiving apparatus 20 that receives burst signals, each including a synchronization section and a data section following the synchronization section, from a plurality of sources in a time division manner. The receiving apparatus 20 includes amplifying units 102 and 113 that amplify each burst signal; a detecting unit 116 that detects arrival of the burst signal from an output signal from the amplifying units 102 and 113; a comparing unit 104 that compares the output signal from the amplifying units 102 and 113 with a predetermined threshold value and outputs a binary signal; and a control unit 108 that sets the timings of changing a receive function during the synchronization section by adding delay times Dai and Dbi to a detection time point where the detecting unit 116 performs an output. The control unit 108 is configured to be able to change the delay times Dai and Dbi in a plurality of ways.
摘要翻译：本发明涉及一种接收装置20，其以时分方式从多个源接收每个包括同步部分的同步部分和数据部分的突发信号。接收装置20包括放大每个突发信号的放大单元102和113; 检测单元116，其从放大单元102和113的输出信号检测突发信号的到达; 比较单元104，其将来自放大单元102和113的输出信号与预定阈值进行比较，并输出二进制信号; 以及控制单元108，其通过将检测单元116执行输出的检测时间点的延迟时间Dai和Dbi相加来设置在同步区段期间改变接收功能的定时。控制单元108被配置为能够以多种方式改变延迟时间Dai和Dbi。

98. 发明授权

US09354113B1 Impact ionization devices under dynamic electric fields 有权
标题翻译：动态电场下的电离装置
公开(公告)号：US09354113B1
公开(公告)日：2016-05-31
申请号：US13289645
申请日：2011-11-04
申请人： Majeed M. Hayat , John P. David , Sanjay Krishna , Luke F. Lester , David A. Ramirez , Payman Zarkesh-Ha
发明人： Majeed M. Hayat , John P. David , Sanjay Krishna , Luke F. Lester , David A. Ramirez , Payman Zarkesh-Ha
IPC分类号： G01J1/46
CPC分类号： H04B10/67 , G01J1/44 , G01J1/46 , G01J2001/4466 , H01L31/02027 , H01L31/0304 , H01L31/0735 , H04B10/6911 , H04B10/693
摘要： Apparatus, systems, and methods relate to use of a time-varying bias for application to an avalanche photodiode. Embodiments include systems and methods of determining an appropriate time-varying bias for application to an avalanche photodiode in linear mode. Avalanche photodiode having appropriate parameters may also be determined. Additional apparatus, systems, and methods are disclosed.
摘要翻译：装置，系统和方法涉及使用时变偏压来应用于雪崩光电二极管。实施例包括确定用于以线性模式应用于雪崩光电二极管的适当时变偏置的系统和方法。还可以确定具有适当参数的雪崩光电二极管。公开了附加装置，系统和方法。

99. 发明申请

US20160118947A1 SELF BIASED DUAL MODE DIFFERENTIAL CMOS TIA FOR 400G FIBER OPTIC LINKS 有权
公开(公告)号：US20160118947A1
公开(公告)日：2016-04-28
申请号：US14987673
申请日：2016-01-04
申请人： INPHI CORPORATION
发明人： Rahul Shringarpure , Tom Peter Edward Broekaert , Gaurav Mahajan
IPC分类号： H03F3/08 , H03F1/02
CPC分类号： H03F3/082 , H03F1/0205 , H03F3/087 , H03F3/45179 , H03F3/45475 , H03F2200/555 , H04B10/616 , H04B10/693
摘要： A transimpedance amplifier (TIA) device. The device includes a photodiode coupled to a differential TIA with a first and second TIA, which is followed by a Level Shifting/Differential Amplifier (LS/DA). The photodiode is coupled between a first and a second input terminal of the first and second TIAs, respectively. The LS/DA can be coupled to a first and second output terminal of the first and second TIAs, respectively. The TIA device includes a semiconductor substrate comprising a plurality of CMOS cells, which can be configured using 28 nm process technology to the first and second TIAs. Each of the CMOS cells can include a deep n-type well region. The second TIA can be configured using a plurality CMOS cells such that the second input terminal is operable at any positive voltage level with respect to an applied voltage to a deep n-well for each of the plurality of second CMOS cells.

100. 发明申请

US20160050026A1 CIRCUIT ARRANGEMENT AND METHOD FOR RECEIVING OPTICAL SIGNALS 有权
标题翻译：电路布置和接收光信号的方法
公开(公告)号：US20160050026A1
公开(公告)日：2016-02-18
申请号：US14926862
申请日：2015-10-29
申请人： SILICON LINE GMBH
发明人： Ols HIDRI , Martin GROEPL , Holger HOELTKE
IPC分类号： H04B10/69 , H03F17/00 , H03F3/08 , H04L25/49
CPC分类号： H04B10/6931 , H03F3/08 , H03F17/00 , H04B10/693 , H04B10/6933 , H04B2210/074
摘要： In order to further develop a circuit arrangement (CR; CR′) for receiving optical signals (SI) from at least one optical guide (GU), said circuit arrangement (CR; CR′) comprising: at least one light-receiving component (PD) for converting the optical signals (SI) into electrical current signals (IPD), at least one transimpedance amplifier (TA), being provided with the electrical current signals (IPD) from the light-receiving component (PD), at least one automatic gain controller (AG) for controlling the gain or transimpedance (R) of the transimpedance amplifier (TA), at least one integrator (IN) in a feedback path (FP), said integrator (IN) generating a control signal (Vint), at least one voltage-controlled current source (CS), being provided with the control signal (Vint) from the integrator (IN), at least one limiter (LI) acting as a comparator and generating in its output a logic level for positive or negative voltages in its input, and a corresponding method in such a way that a multilevel optical link can be provided, at least one second transimpedance amplifier (TA2) arranged in parallel to the transimpedance amplifier (TA), and at least one automatic offset controller (AO) for setting the voltage (Voffset) for the second transimpedance amplifier (TA2) are proposed.
摘要翻译：为了进一步开发用于从至少一个光导（GU）接收光信号（SI）的电路装置（CR; CR'），所述电路装置（CR; CR'）包括：至少一个光接收部件 PD），用于将光信号（SI）转换成电流信号（IPD），至少一个跨导放大器（TA），其从光接收部件（PD）提供电流信号（IPD），至少一个用于控制跨阻抗放大器（TA）的增益或跨阻抗（R）的自动增益控制器（AG），反馈路径（FP）中的至少一个积分器（IN），所述积分器（IN）产生控制信号（Vint）至少一个压控电流源（CS）被提供有来自积分器（IN）的控制信号（Vint），至少一个限制器（LI）用作比较器，并在其输出端产生一个逻辑电平为正或其输入中的负电压，以及相应的方法可以提供多级光学链路，与跨阻抗放大器（TA）并联布置的至少一个第二跨阻抗放大器（TA2）以及至少一个自动偏置控制器（AO），用于设置第二跨阻放大器的电压（Voffset）（TA2）。

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