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    • 3. 发明申请
    • COAXIAL TILT PIN FIXTURE FOR TESTING HIGH FREQUENCY CIRCUIT BOARDS
    • 用于测试高频电路板的同轴倾斜引脚固定
    • WO2003031995A1
    • 2003-04-17
    • PCT/US2001/031500
    • 2001-10-10
    • DELAWARE CAPITAL FORMATION, INC.JOHNSTON, Charles, J.
    • JOHNSTON, Charles, J.
    • G01R1/067
    • G01R1/07328G01R1/06772G01R1/07357G01R1/07378
    • A translator fixture for use in testing high frequency or high speed digital circuit boards. The fixture has a pin supporting top plate (29) and base plate (32) and coaxial constant impedance test pins (23) incorporated into the fixture to provide a signal path from a test analyzer to the circuit board (16) under test. The board under test is coupled to an upper surface of the top plate. The impedance of the coaxial pins is matched to the impedance of the board under test as well as the impedance of the test analyzer. Force exerted on the coaxial pins ensures contact of the pins with test points on the circuit board under test. The force may be exerted by spring loaded probes (12) mounted on a compliant test interface (10) below the base plate. The force may also be exerted by Euler buckling the pins by relative movement between the circuit board under test and a second circuit board coupled to the base plate or to the test analyzer.
    • 用于测试高频或高速数字电路板的翻译夹具。 固定装置具有支撑顶板(29)和底板(32)的引脚支撑和并入固定装置中的同轴恒定阻抗测试引脚(23),以提供从测试分析仪到被测电路板(16)的信号路径。 被测板被耦合到顶板的上表面。 同轴引脚的阻抗与被测试板的阻抗以及测试分析仪的阻抗相匹配。 施加在同轴引脚上的力确保了引脚与被测电路板上的测试点的接触。 力可以由安装在基板下方的柔性测试界面(10)上的弹簧加载的探针(12)施加。 欧拉也可以通过在被测电路板和连接到基板或测试分析器的第二电路板之间的相对运动来屈曲引脚。