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公开(公告)号：US20070077906A1
公开(公告)日：2007-04-05
申请号：US11243019
申请日：2005-10-04
IPC分类号： H04B1/26
CPC分类号： H03D7/005
摘要： Digital mixers which permit mixing of asynchronous signals is constructed of Rapid Single Flux Quantum (RSFQ) logic elements. The logic elements may include an RSFQ non-destructive readout cell (NDRO), an RSFQ D flip-flop, an RSFQ XOR circuit, and an RSFQ T flip-flop. A binary tree arrangement of T flip-flops can be used to provide in-phase and quadrature phase-divided replicas of a reference signal. The mixing elements can be either an XOR circuit, a dual port NDRO circuit functioning as a multiplexer or an RS type NDRO functioning as an AND gate. The RSFQ logic elements utilize Josephson junctions which operate in superconducting temperature domains.
摘要翻译： 允许异步信号混合的数字混频器由快速单通量量子（RSFQ）逻辑元件构成。 逻辑元件可以包括RSFQ非破坏性读出单元（NDRO），RSFQ D触发器，RSFQ XOR电路和RSFQ T触发器。 可以使用T触发器的二叉树布置来提供参考信号的同相和正交相位分割副本。 混合元件可以是XOR电路，用作多路复用器的双端口NDRO电路或用作AND门的RS型NDRO。 RSFQ逻辑元件利用在超导温度域中工作的约瑟夫逊结。
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公开(公告)号：US20080101444A1
公开(公告)日：2008-05-01
申请号：US11966918
申请日：2007-12-28
IPC分类号： H04B1/38
CPC分类号： H04B1/44 , H03K17/92 , H04B1/005 , H04B1/0483 , H04B1/40
摘要： A digital radio frequency switch system and method, adapted to receive a plurality of inputs, generate a plurality of outputs, and simultaneously route a plurality of inputs to any of a plurality of outputs, comprising an array comprising a plurality of inputs, having a plurality of associated clocks; a digital control input adapted to receive a signal indicative of a mapping between at least one of said inputs and at least one respective output; a digital logic array, responsive to said digital control input for simultaneously communicating a plurality of signals each corresponding to one of the plurality of inputs and a respective associated clock to at least one of said outputs indicated by the digital control input; and an array of the outputs, each adapted to present a regenerated signal corresponding to one of the plurality of inputs and a respective associated synchronized regenerated clock maintaining accurate relative timing therebetween.
摘要翻译： 一种适于接收多个输入的数字射频切换系统和方法，产生多个输出，并且同时将多个输入路由到多个输出中的任一个，包括包括多个输入的阵列，具有多个输入 的相关时钟; 数字控制输入，适于接收指示所述输入中的至少一个与至少一个相应输出之间的映射的信号; 数字逻辑阵列，响应于所述数字控制输入，用于同时将与多个输入中的一个输入相对应的多个信号和相应的相关联的时钟传送到由数字控制输入指示的至少一个输出; 以及输出的阵列，每个输出适于呈现对应于所述多个输入中的一个的再生信号和相应的相关联的同步再生时钟，以保持它们之间的准确的相对定时。
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公开(公告)号：US20070075752A1
公开(公告)日：2007-04-05
申请号：US11243022
申请日：2005-10-04
申请人： Alexander Kirichenko
发明人： Alexander Kirichenko
IPC分类号： H03K23/00
CPC分类号： H03K23/763
摘要： A digital programmable frequency divider is constructed of Rapid Single Flux Quantum (RSFQ) logic elements. The logic elements may include an RSFQ non-destructive readout cell (NDRO), and RSFQ D flip-flop and an RSFQ T flip-flop. A digital word comprising N bits is used to control the amount of frequency division and the frequency divider selectively imparts a respective frequency division for any of 2N states that can be represented by the digital word. The RSFQ logic elements utilize Josephson junctions which operate in superconducting temperature domains.
摘要翻译： 数字可编程分频器由快速单通量子（RSFQ）逻辑元件构成。 逻辑元件可以包括RSFQ非破坏性读出单元（NDRO）和RSFQ D触发器和RSFQT触发器。 使用包括N位的数字字来控制分频量，并且分频器选择性地给出可以由数字字表示的2个N个状态中的任何一个的相应的分频。 RSFQ逻辑元件利用在超导温度域中工作的约瑟夫逊结。
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公开(公告)号：US20070075729A1
公开(公告)日：2007-04-05
申请号：US11243020
申请日：2005-10-04
申请人： Alexander Kirichenko
发明人： Alexander Kirichenko
IPC分类号： H03K19/195
摘要： A programmable phase shifter is constructed of Rapid Single Flux Quantum (RSFQ) logic elements. The logic elements may include an RSFQ inverter and an RSFQ T flip-flop. A digital word comprising N bits is used to control the amount of phase shift and the phase shifter selectively imparts a respective phase shift for any of 2N states that can be represented by the digital word. The RSFQ logic elements utilize Josephson junctions which operate in the superconducting temperature domain.
摘要翻译： 可编程移相器由快速单通量子（RSFQ）逻辑元件构成。 逻辑元件可以包括RSFQ反相器和RSFQ T触发器。 使用包括N位的数字字来控制相移量，并且移相器选择性地给出可以由数字字表示的2个N 2状态中的任何一个的相移。 RSFQ逻辑元件利用在超导温度域中工作的约瑟夫逊结。
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