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    • 5. 发明申请
    • DYNAMIC DIVIDER HAVING INTERLOCKING CIRCUIT
    • 具有互锁电路的动力分流器
    • US20140376683A1
    • 2014-12-25
    • US13926923
    • 2013-06-25
    • QUALCOMM Incorporated
    • Jeremy Mark GoldblattDevavrata Vasant GodboleHsuanyu Pan
    • H03K21/17
    • H03K21/17H03K5/15033H03K23/425
    • A high-speed and low power divider includes a ring of four dynamic latches, an interlocking circuit, and four output inverters. Each latch has a first dynamic node M and a second dynamic node N. The interlocking circuit is coupled to the M nodes. Based on one or more of the M node signals received, the interlocking circuit selectively controls the logic values on one or more of the M modes such that over time, as the divider is clocked, only one of the signals on the N nodes is low at a given time. The output inverters generate inverted versions of the N node signals that are output from the divider as low phase noise 25% duty cycle output signals I, IB, Q and QB. In one specific example, each latch has eight transistors and no more than eight transistors. The divider recovers quickly and automatically from erroneous state disturbances.
    • 高速和低功率分配器包括四个动态锁存器环,互锁电路和四个输出反相器。 每个锁存器具有第一动态节点M和第二动态节点N.互锁电路耦合到M个节点。 基于接收到的一个或多个M个节点信号,互锁电路选择性地控制M个模式中的一个或多个的逻辑值,使得随着时间的推移,当分频器被计时时,N个节点上的信号中只有一个为低 在给定的时间。 输出反相器产生从分频器输出的N个节点信号的反相版本,作为低相位噪声25%占空比输出信号I,IB,Q和QB。 在一个具体示例中,每个锁存器具有八个晶体管,不超过八个晶体管。 分离器快速自动地从错误的状态干扰中恢复。