公开(公告)号：US20070141982A1

公开(公告)日：2007-06-21

申请号：US11538627

申请日：2006-10-04

Applicant: Keith Bargroff ,  Dale Hancock

Inventor： Keith Bargroff ,  Dale Hancock

IPC: H04B7/185

CPC classification number: H04B1/126 ,  H03D7/00 ,  H03D7/1425 ,  H03D7/1433 ,  H03D7/1458 ,  H03D2200/0025 ,  H03D2200/0043 ,  H03F3/19 ,  H03F2200/171 ,  H03F2200/294 ,  H03F2200/451 ,  H03G3/3036 ,  H04H40/90 ,  H04N7/102 ,  H04N7/20 ,  H04Q3/521 ,  H04Q2213/1302 ,  H04Q2213/13034 ,  H04Q2213/1304 ,  H04Q2213/1319 ,  H04Q2213/13322

Abstract: A cascadable AGC amplifier in a signal distribution system includes a low noise cascadable amplifier having a through path and a cascadable output. The cascadable amplifier is also configured to provide AGC over a predetermined input power range. The cascadable AGC amplifier can be configured to provide gain or attenuation. When the cascadable AGC amplifier is implemented in a signal distribution system, typically as part of a signal distribution device, an input signal can be gain controlled and supplied to multiple signal paths without distortion due to degradation of signal to noise ratio or distortion due to higher order amplifier products. The distributed signal is not significantly degraded by distortion regardless of the number of cascadable AGC amplifiers connected in series or the position of the cascadable AGC amplifier in the signal distribution system.

Abstract translation: 信号分配系统中的级联AGC放大器包括具有通路和可级联输出的低噪声可级联放大器。 可级联放大器还被配置为在预定输入功率范围上提供AGC。 可级联AGC放大器可以配置为提供增益或衰减。 当级联AGC放大器在信号分配系统中实施时，通常作为信号分配装置的一部分，可以将输入信号增益控制并提供给多个信号路径，而不会由于信号噪声比的降低或由于较高 订单放大器产品。 无论串联连接的级联AGC放大器的数量或信号分配系统中的级联AGC放大器的位置如何，分布式信号都不会由于失真而显着降级。

公开(公告)号：US08892026B2

公开(公告)日：2014-11-18

申请号：US13334975

申请日：2011-12-22

Applicant: Branislav Petrovic ,  Dale Hancock ,  Jeremy Goldblatt ,  Keith Bargroff

Inventor： Branislav Petrovic ,  Dale Hancock ,  Jeremy Goldblatt ,  Keith Bargroff

IPC: H04H20/74 ,  H04B1/28 ,  H04H40/90

CPC classification number: H04H40/90 ,  H04B1/16 ,  H04B1/28

Abstract: An outdoor satellite receiving unit (ODU) receives several independent satellite signals, selects two signals with a switch matrix, downconverts the two signals to a bandstacked signal with a high and a low band signal, and outputs the bandstacked signal on the same cable to receiver units. Several satellite signals can be selected in groups of two or more and output to independent receiver units. Signal selecting is performed at the received radio frequency (RF) and bandstacking is performed with a single downconversion step to an intermediate frequency (IF). Channel stacking on the same cable of more than two channels from several satellites can be achieved by using frequency agile downconverters and bandpass filters prior to combining at the IF output. A slow transitioning switch minimizes signal disturbances when switching and maintains input impedance at a constant value.

Abstract translation: 一个室外卫星接收单元（ODU）接收几个独立的卫星信号，用开关矩阵选择两个信号，将两个信号下变频成带高信号的带状信号，并将同频带上的带状信号输出到接收机 单位。 可以选择两个或更多个的几个卫星信号并输出​​到独立的接收机单元。 在接收的射频（RF）下执行信号选择，并且通过单个下变频步骤对中频（IF）执行带堆叠。 通过在IF输出组合之前，可以通过使用频率敏捷下变频器和带通滤波器来实现来自多个卫星的多于两个信道的相同电缆上的信道堆叠。 缓慢的转换开关使切换时的信号干扰最小化，并将输入阻抗维持在恒定值。

公开(公告)号：US08086170B2

公开(公告)日：2011-12-27

申请号：US12016998

申请日：2008-01-19

Applicant: Branislav Petrovic ,  Dale Hancock ,  Jeremy Goldblatt ,  Keith Bargroff

Inventor： Branislav Petrovic ,  Dale Hancock ,  Jeremy Goldblatt ,  Keith Bargroff

IPC: H04H20/74

CPC classification number: H04H40/90 ,  H04B1/16 ,  H04B1/28

Abstract: An outdoor satellite receiving unit (ODU) receives several independent satellite signals, selects two signals with a switch matrix, downconverts the two signals to a bandstacked signal with a high and a low band signal, and outputs the bandstacked signal on the same cable to receiver units. Several satellite signals can be selected in groups of two or more and output to independent receiver units. Signal selecting is performed at the received radio frequency (RF) and bandstacking is performed with a single downconversion step to an intermediate frequency (IF). Channel stacking on the same cable of more than two channels from several satellites can be achieved by using frequency agile downconverters and bandpass filters prior to combining at the IF output. A slow transitioning switch minimizes signal disturbances when switching and maintains input impedance at a constant value.

Abstract translation: 一个室外卫星接收单元（ODU）接收几个独立的卫星信号，用开关矩阵选择两个信号，将两个信号下变频成带高信号的带状信号，并将同频带上的带状信号输出到接收机 单位。 可以选择两个或更多个的几个卫星信号并输出​​到独立的接收机单元。 在接收的射频（RF）下执行信号选择，并且通过单个下变频步骤对中频（IF）执行带堆叠。 通过在IF输出组合之前，可以通过使用频率敏捷下变频器和带通滤波器来实现来自多个卫星的多于两个信道的相同电缆上的信道堆叠。 缓慢的转换开关使切换时的信号干扰最小化，并将输入阻抗维持在恒定值。

公开(公告)号：US20090290659A1

公开(公告)日：2009-11-26

申请号：US12414892

申请日：2009-03-31

Applicant: Branislav Petrovic ,  Itzhak Gurantz ,  Keith Bargroff

Inventor： Branislav Petrovic ,  Itzhak Gurantz ,  Keith Bargroff

IPC: H04L27/06

CPC classification number: H04N7/20 ,  H03D3/007 ,  H04H20/30 ,  H04H20/63 ,  H04H20/77 ,  H04H20/78 ,  H04H40/90

Abstract: A channel stacking system includes first and second downconverting stages, first and second analog to digital converters, and a digital switching and signal processor. The first downconverting stage includes a first downconverter circuit having an input for receiving a first RF input signal which includes a multitude of first channels. The first downconverter circuit frequency downconverts the first RF input signal to a first IF signal which includes the multitude of first channels. The first analog-to-digital converter converts the first IF signal to a first digital IF signal. The second downconverter stage includes a second downconverter circuit having an input for receiving a second RF input signal which includes a multitude of second channels. The second downconverter circuit frequency downconverts the second RF input signal to a second IF signal including said multitude of second channels.

Abstract translation: 信道堆叠系统包括第一和第二下变频级，第一和第二模数转换器以及数字开关和信号处理器。 第一下变频级包括具有用于接收包括多个第一通道的第一RF输入信号的输入的第一下变频器电路。 第一下变频器电路将第一RF输入信号下变频到包括多个第一通道的第一IF信号。 第一模数转换器将第一IF信号转换成第一数字IF信号。 第二下变频器级包括具有用于接收包括多个第二通道的第二RF输入信号的输入的第二下变频器电路。 第二下变频器电路将第二RF输入信号下变频到包括所述多个第二通道的第二IF信号。

公开(公告)号：US20090102706A1

公开(公告)日：2009-04-23

申请号：US12301229

申请日：2007-06-29

Applicant: Jeremy Goldblatt ,  Keith Bargroff ,  Branislav Petrovic

Inventor： Jeremy Goldblatt ,  Keith Bargroff ,  Branislav Petrovic

IPC: H04B7/185

CPC classification number: H04B7/18517

Abstract: A satellite interference canceling system cancels the interference between two or more signals received by a satellite receiver. The signals can be two signals experiencing cross polarization interference or signals that experience interference from other satellite signals. Gain and phase are applied to the received signals and then combined with the other signals to result in cancellation by subtraction. The gain and phase values needed to cancel the interference are derived from measurements of carrier-to-noise ratio (C/N) as an indication of the interference level. The C/N can be measured in the set-top box indoor unit. Coherency restoration is performed in receivers that downconvert the signals before performing interference cancellation.

Abstract translation: 卫星干扰消除系统消除由卫星接收机接收的两个或多个信号之间的干扰。 信号可以是经历交叉极化干扰的两个信号或经受来自其它卫星信号的干扰的信号。 增益和相位应用于接收信号，然后与其他信号相结合，通过减法得到取消。 消除干扰所需的增益和相位值是从作为干扰电平的指示的载波噪声比（C / N）的测量得出的。 C / N可以在机顶盒室内机中测量。 在执行干扰消除之前，在对信号进行下变频的接收机中执行一致性恢复。

公开(公告)号：US20060148440A1

公开(公告)日：2006-07-06

申请号：US11164768

申请日：2005-12-05

Applicant: Keith Bargroff

Inventor： Keith Bargroff

IPC: H04B1/18 ,  H04B1/26

CPC classification number: H04B1/126 ,  H03D7/00 ,  H03D7/1425 ,  H03D7/1433 ,  H03D7/1458 ,  H03D2200/0025 ,  H03D2200/0043 ,  H03F3/19 ,  H03F2200/171 ,  H03F2200/294 ,  H03F2200/451 ,  H03G3/3036 ,  H04H40/90 ,  H04N7/102 ,  H04N7/20 ,  H04Q3/521 ,  H04Q2213/1302 ,  H04Q2213/13034 ,  H04Q2213/1304 ,  H04Q2213/1319 ,  H04Q2213/13322

Abstract: A mixer circuit configured to operate in a bypass or mixing mode, and which comprises a mixer core, and a mode select circuit. The mixer core includes first and second switches, each of which has an input, and first and second outputs. The mode select circuit is coupled to the mixer core and includes third and fourth switches, which are collectively configured to operate in either a first state corresponding to the bypass mode, or a second state corresponding to the mixing mode. The input of the first switch is configured to receive a signal at a first frequency, wherein the first and second switches are configured to switch between their respective first and second outputs at a second frequency, and wherein, responsive to the state of the third and fourth switches, the first output of the first switch, and the second output of the second switch are each configured to output a signal which is either (i) at the first frequency, or (ii) a mixing product of the first and second frequencies.

Abstract translation: 一种混频器电路，被配置为以旁路或混频模式操作，并且包括混频器核心和模式选择电路。 混频器核心包括第一和第二开关，每个开关具有输入端以及第一和第二输出端。 模式选择电路耦合到混频器核心并且包括第三和第四开关，其被共同配置为在对应于旁路模式的第一状态或对应于混合模式的第二状态下操作。 第一开关的输入被配置为以第一频率接收信号，其中第一和第二开关被配置为以第二频率在它们各自的第一和第二输出之间切换，并且其中响应于第三和第二开关的状态 第一开关的第一输出和第二开关的第二输出均被配置为输出（i）第一频率的信号，或者（ii）第一和第二频率的混合乘积 。

公开(公告)号：US06774508B2

公开(公告)日：2004-08-10

申请号：US09898680

申请日：2001-07-03

Applicant: Gary J. Ballantyne ,  Keith Bargroff ,  Paul L. Chan ,  Jonathan Klaren ,  Charles J. Persico ,  Walter Scott Charles ,  Somphou Sithideth

Inventor： Gary J. Ballantyne ,  Keith Bargroff ,  Paul L. Chan ,  Jonathan Klaren ,  Charles J. Persico ,  Walter Scott Charles ,  Somphou Sithideth

IPC: H02J300

CPC classification number: H02J7/0065 ,  Y10T307/724

Abstract: A battery (102) powers a wireless telephone's power amplifier (106) through a Switch Mode Power Supply (SMPS) (104). The SMPS has a capacity lower than the maximum power requirements of the amplifier. When a controller (116) senses that an amplifier power-requirement threshold has been exceeded, it closes a switch (114) parallel to the SMPS, allowing power to flow from the battery to the amplifier without passing through the SMPS. This architecture allows the use of a smaller SMPS, and eliminates SMPS-generated noise to the amplifier when the amplifier is least able to tolerate such noise, namely, under high power conditions.

Abstract translation: 电池（102）通过开关模式电源（SMPS）（104）为无线电话的功率放大器（106）供电。 SMPS的容量低于放大器的最大功率要求。 当控制器（116）感测到已经超过放大器功率需求阈值时，它关闭与SMPS平行的开关（114），从而允许电力从电池流过放大器而不通过SMPS。 该架构允许使用更小的SMPS，并且当放大器能够忍受这种噪声（即，在高功率条件下）时，消除了SMPS产生的噪声到放大器。

公开(公告)号：US09219557B2

公开(公告)日：2015-12-22

申请号：US12015760

申请日：2008-01-17

Applicant: Keith Bargroff ,  Jeremy Goldblatt

Inventor： Keith Bargroff ,  Jeremy Goldblatt

IPC: H04H40/90 ,  H04B1/28 ,  H04B1/16

CPC classification number: H04H40/90 ,  H04B1/16 ,  H04B1/28

Abstract: Circuits, systems, and methods for assembling a composite signal include a frequency translation circuit coupled to receive an input signal and operable to generate a plurality of frequency-translated versions of the input signal at a respective plurality of different frequencies, the plurality of frequency-translated input signals defining a group of frequency translated signals. The plurality of frequency translated signals may each be processed to provide a composite signal.

Abstract translation: 用于组合复合信号的电路，系统和方法包括频率转换电路，其被耦合以接收输入信号并且可操作以在相应的多个不同频率处产生输入信号的多个频率转换版本， 定义一组频率转换信号的转换输入信号。 可以对多个频率转换信号进行处理以提供复合信号。

公开(公告)号：US08345798B2

公开(公告)日：2013-01-01

申请号：US12414892

申请日：2009-03-31

Applicant: Branislav Petrovic ,  Itzhak Gurantz ,  Keith Bargroff

Inventor： Branislav Petrovic ,  Itzhak Gurantz ,  Keith Bargroff

IPC: H03K9/00

CPC classification number: H04N7/20 ,  H03D3/007 ,  H04H20/30 ,  H04H20/63 ,  H04H20/77 ,  H04H20/78 ,  H04H40/90

Abstract: A channel stacking system includes first and second downconverting stages, first and second analog to digital converters, and a digital switching and signal processor. The first downconverting stage includes a first downconverter circuit having an input for receiving a first RF input signal which includes a multitude of first channels. The first downconverter circuit frequency downconverts the first RF input signal to a first IF signal which includes the multitude of first channels. The first analog-to-digital converter converts the first IF signal to a first digital IF signal. The second downconverter stage includes a second downconverter circuit having an input for receiving a second RF input signal which includes a multitude of second channels. The second downconverter circuit frequency downconverts the second RF input signal to a second IF signal including said multitude of second channels.

公开(公告)号：US20120046008A1

公开(公告)日：2012-02-23

申请号：US13220530

申请日：2011-08-29

Applicant: Branislav PETROVIC ,  Keith BARGROFF ,  Jeremy Goldblatt

Inventor： Branislav PETROVIC ,  Keith BARGROFF ,  Jeremy Goldblatt

IPC: H04B1/26

CPC classification number: H04H40/90

Abstract: A frequency translation system includes first and second translational switches, and a signal bus coupled therebetween. The first translational switch includes one or more inputs configured to receive a respective one or more first input signals, a first plurality of outputs, and a second plurality of outputs. The second translational switch includes one or more inputs configured to receive a respective one or more second input signals, a first output, and a second output. The signal bus, coupled between the first and second translational switches, includes (i) a first bus line coupled to a first one of the first plurality of outputs of the first translational switch, and to the first output of the second translational switch, and (ii) a second bus line coupled to a first one of the second plurality of outputs of the first translational switch, and to the second output of the second translational switch.

Abstract translation: 频率转换系统包括第一和第二平移开关以及耦合在其间的信号总线。 第一平移开关包括被配置为接收相应的一个或多个第一输入信号，第一多个输出和第二多个输出的一个或多个输入。 第二平移开关包括被配置为接收相应的一个或多个第二输入信号，第一输出和第二输出的一个或多个输入。 耦合在第一和第二平移开关之间的信号总线包括（i）耦合到第一平移开关的第一多个输出中的第一个输出端和第二平移开关的第一输出端的第一总线线路，以及 （ii）耦合到第一平移开关的第二多个输出中的第一个输出的第二总线以及第二平移开关的第二输出。