公开(公告)号：US08023912B2

公开(公告)日：2011-09-20

申请号：US12015773

申请日：2008-01-17

申请人： Branislav Petrovic ,  Peter Doherty ,  Yong Zeng

发明人： Branislav Petrovic ,  Peter Doherty ,  Yong Zeng

IPC分类号： H04B1/16

CPC分类号： H04H40/90 ,  H04B1/16 ,  H04B1/28

摘要： Circuits systems and methods for frequency translation and signal distribution includes a downconverter circuit having first and second inputs coupled to receive respective first and second input signals, and an output for providing a downconverted output signal. The downconverter circuit includes a mixer circuit, a first switch, and a second switch. The mixer includes a first input coupled to a reference source, a second input, and an output coupled to the downconverter circuit output. The first switch includes a first port coupled to the downconverter circuit first input, and a second port switchably coupled to the mixer circuit second input. The second switch includes a first port coupled to the downconverter circuit second input, and a second port switchably coupled to the mixer circuit second input.

摘要翻译： 用于频率转换和信号分配的电路系统和方法包括具有耦合以接收相应的第一和第二输入信号的第一和第二输入的下变频器电路，以及用于提供下变频输出信号的输出。 下变频器电路包括混频器电路，第一开关和第二开关。 混频器包括耦合到参考源的第一输入，第二输入和耦合到下变频器电路输出的输出。 第一开关包括耦合到下变频器电路第一输入的第一端口和可切换地耦合到混频器电路第二输入的第二端口。 第二开关包括耦合到下变频器电路第二输入的第一端口和可切换地耦合到混频器电路第二输入的第二端口。

公开(公告)号：US20080132193A1

公开(公告)日：2008-06-05

申请号：US12015773

申请日：2008-01-17

申请人： Branislav Petrovic ,  Peter Doherty ,  Yong Zeng

发明人： Branislav Petrovic ,  Peter Doherty ,  Yong Zeng

IPC分类号： H04B1/26 ,  H04B7/185

CPC分类号： H04H40/90 ,  H04B1/16 ,  H04B1/28

摘要： Circuits systems and methods for frequency translation and signal distribution includes a downconverter circuit having first and second inputs coupled to receive respective first and second input signals, and an output for providing a downconverted output signal. The downconverter circuit includes a mixer circuit, a first switch, and a second switch. The mixer includes a first input coupled to a reference source, a second input, and an output coupled to the downconverter circuit output. The first switch includes a first port coupled to the downconverter circuit first input, and a second port switchably coupled to the mixer circuit second input. The second switch includes a first port coupled to the downconverter circuit second input, and a second port switchably coupled to the mixer circuit second input.

摘要翻译： 用于频率转换和信号分配的电路系统和方法包括具有耦合以接收相应的第一和第二输入信号的第一和第二输入的下变频器电路，以及用于提供下变频输出信号的输出。 下变频器电路包括混频器电路，第一开关和第二开关。 混频器包括耦合到参考源的第一输入，第二输入和耦合到下变频器电路输出的输出。 第一开关包括耦合到下变频器电路第一输入的第一端口和可切换地耦合到混频器电路第二输入的第二端口。 第二开关包括耦合到下变频器电路第二输入的第一端口和可切换地耦合到混频器电路第二输入的第二端口。

公开(公告)号：US20060250197A1

公开(公告)日：2006-11-09

申请号：US11418645

申请日：2006-05-05

申请人： Branislav Petrovic

发明人： Branislav Petrovic

IPC分类号： H01P1/10

CPC分类号： H01P1/15

摘要： In many network applications, high reliability is a requirement. One way to achieve this high reliability is to offer a switching device that can switch a malfunctioning piece of equipment out of the network while also switching in a “new” operational piece of equipment into the network to take the place of the original malfunctioning piece of equipment. However, in order to achieve high reliability networks, the switching devices must also be highly reliable. This disclosure describes a new switching device and method that are more reliable when the time comes to swap malfunctioning equipment for operational equipment. The disclosed switching device and method are also protected from various surges experienced in the network.

摘要翻译： 在许多网络应用中，高可靠性是一个要求。 实现这种高可靠性的一种方式是提供一种切换装置，其可以将故障的设备切换到网络外，同时还将“新的”操作的设备切换到网络中以代替原始故障的部件 设备。 然而，为了实现高可靠性网络，交换设备也必须是高度可靠的。 本公开描述了当交换操作设备的故障设备的时间变得更加可靠的新的开关装置和方法。 所公开的开关装置和方法也受到网络中经历的各种浪涌的保护。

公开(公告)号：US07003275B1

公开(公告)日：2006-02-21

申请号：US09574707

申请日：2000-05-18

申请人： Branislav Petrovic

发明人： Branislav Petrovic

IPC分类号： H04B1/26

CPC分类号： H04J1/085 ,  H03D7/161 ,  H04L5/06

摘要： Agile frequency converter and method, IF-RF level exchange process, and notch filtering techniques. System noise and spurious levels generated by channel frequency conversion is reduced in applications requiring broadband combining of frequency converters to form multichannel composite signal. Converter employs two-stage frequency conversion process, with gain exchange system using variable pre-mixer gain and variable post-mixer attenuation to maintain constant RF output signal power level. For those few conversion frequencies where distortion component(s) cannot be filtered without degrading desired signal, IF-RF level exchange is optimized for meeting the carrier-to-distortion (C/D) ratio specifications at slight expense of noise level for that channel only, while still meeting aggregate combined carrier-to-noise (C/N) specification requirements. Optimal apportionment of level exchange for each channel depends on specific frequency rejection capability of spurious components and is matched to filtering capability and stored within non-volatile memory of a microcontroller used in the frequency converter.

摘要翻译： 敏捷变频器和方法，IF-RF电平交换过程和陷波滤波技术。 通过频率转换产生的系统噪声和杂散电平在需要频率转换器的宽带组合以形成多信道复合信号的应用中被减少。 转换器采用两级变频过程，增益交换系统采用可变预混频器增益和可变后混频衰减来保持恒定的RF输出信号功率电平。 对于那些少数转换频率，其中失真分量不能在不降低期望信号的情况下被滤波，IF-RF电平交换被优化以满足载波到失真（C / D）比率规范，并以该频道的噪声水平为代价 同时仍然满足载波对噪声（C / N）的总体规范要求。 每个通道的电平交换的最佳分配取决于特定的杂散分量的频率抑制能力，并且与滤波能力匹配，并存储在变频器中使用的微控制器的非易失性存储器中。

公开(公告)号：US20060001487A1

公开(公告)日：2006-01-05

申请号：US11197318

申请日：2005-08-05

申请人： Branislav Petrovic ,  Cong Nguyen

发明人： Branislav Petrovic ,  Cong Nguyen

IPC分类号： H03F1/26

CPC分类号： H03F3/26 ,  H03F1/26 ,  H03F1/32 ,  H03F3/45475 ,  H03F2200/534 ,  H03F2200/541

摘要： A method for improving or eliminating second harmonic and higher even order distortion terms and balance of fundamental signals in push-pull amplifiers and other differential circuits is disclosed. A common-mode (CM) signal is generated as a sum of two complementary (out of phase) signals in a summation network. The CM signal contains even order distortion terms only, while the fundamental signal and odd order distortion terms are canceled, thus providing a correction signal that can be used to reduce even order distortion terms, by injecting the correction signal with proper phase and amplitude, into suitable circuit nodes. For feedback, the correction signal is injected at the input of the amplifiers, for feed-forward, it's injected at the output. The correction signal can be amplified to higher levels and injected into the circuit, without affecting gain of fundamental signals; and can result in significant even order distortion improvements, and improved balance of complementary fundamental signals.

摘要翻译： 公开了一种用于在推挽放大器和其它差分电路中改善或消除二次谐波和较高偶数阶失真项和基本信号平衡的方法。 产生共模（CM）信号作为求和网络中两个互补（异相）信号之和。 CM信号仅包含偶数阶失真项，而基本信号和奇数阶失真项被抵消，从而提供可用于减小偶数阶失真项的校正信号，通过将具有适当相位和幅度的校正信号注入到 合适的电路节点。 对于反馈，校正信号在放大器的输入端被注入，为了前馈，它在输出端被注入。 校正信号可以放大到更高的电平并注入到电路中，而不影响基波信号的增益; 并且可以导致显着的偶数阶失真改善，并且改善互补基本信号的平衡。

公开(公告)号：US09100061B2

公开(公告)日：2015-08-04

申请号：US13566508

申请日：2012-08-03

申请人： Younghuang Zeng ,  Branislav Petrovic

发明人： Younghuang Zeng ,  Branislav Petrovic

IPC分类号： H03H7/46 ,  H04B1/00

CPC分类号： H04B1/0057

摘要： A switchable filter and diplexer circuit includes a plurality of bandpass filters having passbands for the frequency bands in which communication across a communication channel is desired and a plurality of diplexers, the diplexers having a plurality of passbands. A plurality of switches are provided to select one of the bandpass filters or diplexers from among the plurality of bandpass filters and diplexers for communication on a communication channel. An additional switching capability is provided to select a first passband of a given diplexer when a second passband of that diplexer is selected by the plurality of switches.

摘要翻译： 可切换滤波器和双工器电路包括多个带通滤波器，其具有用于期望通信信道上的通信的频带的通带和多个双工器，所述双工器具有多个通带。 提供多个开关以从多个带通滤波器和双工器中选择一个带通滤波器或双工器，用于在通信信道上进行通信。 当多路开关选择该双工器的第二通带时，提供另外的切换能力来选择给定双工器的第一通带。

公开(公告)号：US08655934B2

公开(公告)日：2014-02-18

申请号：US11621357

申请日：2007-01-09

申请人： Branislav Petrovic ,  Maxim Ashkenasi ,  Andre Basovich

发明人： Branislav Petrovic ,  Maxim Ashkenasi ,  Andre Basovich

IPC分类号： G06F1/02

CPC分类号： H03B21/025

摘要： A regenerative frequency divider device including a plurality of multipliers, each of which has a first input port, a second input port and an output port; a first combiner coupled to the plurality of multipliers so as to receive an output signal from at least two of the multipliers; and a second combiner coupled to the plurality of multipliers so as to receive an output signal from at least two of multipliers. Further, a first output signal generated by the first combiner is coupled to the second input port of at least two of the multipliers; and a second output signal generated by the second combiner is coupled to the second input port of at least two of the multipliers such that a complex signal is fed back to the multipliers performing the down conversion process. The present invention divider CRD can achieve superior output noise floor of −180 dBc/Hz at multi-GHz frequencies.

摘要翻译： 一种再生分频器装置，包括多个乘法器，每个乘法器具有第一输入端口，第二输入端口和输出端口; 耦合到所述多个乘法器的第一组合器，以便接收来自所述乘法器中的至少两个的输出信号; 以及耦合到所述多个乘法器的第二组合器，以便从至少两个乘法器接收输出信号。 此外，由第一组合器产生的第一输出信号耦合到至少两个乘法器的第二输入端口; 并且由第二组合器产生的第二输出信号被耦合到至少两个乘法器的第二输入端口，使得复信号被反馈到执行下变频处理的乘法器。 本发明的分频器CRD可以在多GHz频率下实现-180dBc / Hz的优异的输出本底噪声。

公开(公告)号：US08300681B2

公开(公告)日：2012-10-30

申请号：US13220530

申请日：2011-08-29

申请人： Branislav Petrovic ,  Keith Bargroff ,  Jeremy Goldblatt

发明人： Branislav Petrovic ,  Keith Bargroff ,  Jeremy Goldblatt

IPC分类号： H04B1/38

CPC分类号： H04H40/90

摘要： 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.

摘要翻译： 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。

公开(公告)号：US08223046B2

公开(公告)日：2012-07-17

申请号：US12822977

申请日：2010-06-24

申请人： Branislav Petrovic

发明人： Branislav Petrovic

IPC分类号： H03M1/10

CPC分类号： H03M1/1245 ,  H03M1/1004 ,  H03M1/1038

摘要： Techniques for accelerated processing associated with analog to digital signal conversion are disclosed. Accelerated processing is provided for sample-and-hold and track-and-hold circuits used with analog to digital converters in various embodiments. An abbreviated sampling state, an abbreviated reset state, or both are employed in various embodiments. By accelerating processing so as to avoid the need for waiting for a signal to settle within a predetermined tolerance, errors of different types may be incurred. Such errors are determined during calibration and stored for future retrieval and error compensation. Techniques for online and offline calibration are disclosed, whereby calibration may or may not impact normal signal conversion processing. Techniques disclosed herein find broad applicability in analog to digital conversion and yield faster processing in a variety of contexts.

摘要翻译： 公开了与模数转换相关的加速处理技术。 在各种实施例中，提供了用于模数转换器的采样保持和跟踪和保持电路的加速处理。 在各种实施例中采用缩写采样状态，缩写复位状态或两者。 通过加速处理，以避免等待信号在预定公差内进行定位，可能会导致不同类型的错误。 这样的误差在校准期间被确定并存储以用于将来检索和误差补偿。 公开了用于在线和离线校准的技术，由此校准可能影响或可能不影响正常的信号转换处理。 在本文中公开的技术在模数转换中具有广泛的适用性，并且在各种上下文中产生更快的处理。

公开(公告)号：US08009725B2

公开(公告)日：2011-08-30

申请号：US12015774

申请日：2008-01-17

申请人： Branislav Petrovic ,  Keith Bargroff ,  Jeremy Goldblatt

发明人： Branislav Petrovic ,  Keith Bargroff ,  Jeremy Goldblatt

IPC分类号： H04B1/38

CPC分类号： H04H40/90

摘要： A translational switch 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.

摘要翻译： 平移开关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。