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    • 2. 发明申请
    • SYSTEM AND METHOD FOR COMPENSATION OF PHASE HITS
    • 补偿相位命中的系统和方法
    • WO2008057735A3
    • 2008-06-26
    • PCT/US2007081784
    • 2007-10-18
    • HARRIS STRATEX NETWORKS OPERATPHAM DAVID C MMATSUMOTO FRANK SQIN YOUMING
    • PHAM DAVID C MMATSUMOTO FRANK SQIN YOUMING
    • H05B1/02
    • H03L1/04G07F9/105G07F17/0078H03L7/06
    • A frequency synthesizer module with phase hits compensation, comprises an enclosure; a frequency synthesizer within the enclosure; and a heater module including a heater element in thermal communication with the frequency synthesizer for producing heat to adaptively adjust frequency synthesizer temperature. The frequency synthesizer module may be in an ODU and electrically isolated from the heater module. The heater module may include a posistor that varies based on temperature; and a voltage regulator having an input pin for receiving a varying input voltage, an output pin for providing a modifiable output voltage to the heater element for adaptively adjusting the heat generated thereby, and an adjust pin coupled to the posistor for maintaining a substantially constant voltage at the adjust pin. The heater module may heat when below room temperature, heat at less than maximum power when between room temperature and a threshold, and deactivate when above the threshold.
    • 具有相位匹配补偿的频率合成器模块,包括外壳; 外壳内的频率合成器; 以及加热器模块,其包括与频率合成器热连通的加热器元件,用于产生热量以自适应地调整频率合成器温度。 频率合成器模块可以在ODU中并且与加热器模块电隔离。 加热器模块可以包括基于温度而变化的正温度系数; 以及电压调节器,具有用于接收变化的输入电压的输入引脚,用于向加热器元件提供可修改的输出电压的输出引脚,用于自适应地调节由此产生的热量,以及调节引脚,耦合到正温度系数电压器以维持基本上恒定的电压 在调整针。 当温度低于室温时,加热器模块可能会发热,当室温与阈值之间的温度低于最大功率时,加热器模块会在高于阈值时关闭。
    • 3. 发明申请
    • MICROPHONICS SUPPRESSION IN HIGH-SPEED COMMUNICATIONS SYSTEMS
    • MICROPHONICS在高速通信系统中的抑制
    • WO2008063937A3
    • 2008-12-04
    • PCT/US2007084349
    • 2007-11-09
    • HARRIS STRATEX NETWORKS OPERATQIN YOUMINGMATSUMOTO FRANK STIONGSON ERIC
    • QIN YOUMINGMATSUMOTO FRANK STIONGSON ERIC
    • H05K7/02
    • H05K5/0217H05K7/142H05K13/00Y10T29/49002
    • One design aspect in electronic systems, such as communication systems, is noise suppression. More particularly, this relates to microphonics suppression in high-speed communication systems, such as microwave wireless radio systems. The present invention contemplates system design for substantially eliminating microphonic behavior created by mechanical stimulus such as vibrations and the drum effect. A preferred approach includes isolating the motherboard from its mounting harnesses (mechanical interconnection) and adding an echo damping and shock absorption pad to the underside of the enclosure cover to stiffen the enclosure cover while maintaining its light weight. Preferably also, this approach isolates the entire motherboard rather than a particular component. A design using this approach is particularly useful in an outdoor unit (ODU) of a split-mount microwave radio system.
    • 电子系统(如通信系统)的一个设计方面是噪声抑制。 更具体地说,这涉及诸如微波无线电系统之类的高速通信系统中的微声波抑制。 本发明预期系统设计用于基本消除由诸如振动和鼓效应之类的机械刺激产生的微声行为。 一种优选的方法包括将母板与其安装线束(机械互连)隔离,并将回声衰减和减震垫添加到外壳盖的下侧以加固外壳盖同时保持其轻量。 此外,这种方法最好隔离整个主板而不是特定的组件。 采用这种方法的设计在分体式微波无线电系统的室外单元(ODU)中特别有用。