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    • 4. 发明授权
    • W-Band waveguide variable controlled oscillator
    • W波段波导可变控制振荡器
    • US5126696A
    • 1992-06-30
    • US744051
    • 1991-08-12
    • Albert J. GrotePaul J. JohnsonJames R. Hayes
    • Albert J. GrotePaul J. JohnsonJames R. Hayes
    • H03B1/00H03B7/08H03B9/14
    • H03B9/145H03B2201/015H03B7/08H03B9/146
    • A W-band waveguide variable controlled oscillator incorporating a capacitively coupled Gunn diode and varactor diode arranged in such a manner that adverse environmental conditions do not deleteriously effect the stability of the output of the oscillator. The Gunn diode is electrically connected to a waveguide chamber within the oscillator and includes a resonator electrically connected to its end cap. The resonator is electrically connected to a DC bias source by means of a DC bias filter and a wire inductor. Opposite and above the Gunn diode is a varactor assembly including a varactor diode, which is also electrically connected to a DC bias source through a DC bias filter. A variable coupling spacer within the varactor assembly adjusts the distance between the varactor diode and the Gunn diode such that the capacitive coupling between the two can be adjusted. In addition, an adjustable back-short is incorporated within the waveguide channel to adjust the power output of the oscillator. Also, a fine tuning screw is threadably engaged to the waveguide channel to adjust the capacitance of the resonator. This configuration enables the oscillator to have a stable output and low power losses under adverse environmental conditions.
    • 一种W波段波导可变控制振荡器,其包含电容耦合的耿氏二极管和变容二极管,其排列方式使得不利的环境条件不会有害地影响振荡器输出的稳定性。 耿氏二极管电连接到振荡器内的波导室,并且包括电连接到其端盖的谐振器。 谐振器通过DC偏置滤波器和线电感器电连接到DC偏置源。 耿氏二极管的相对和上方是包括变容二极管的变容二极管,变容二极管也通过直流偏置滤波器电连接到直流偏压源。 可变电抗器组件内的可变耦合间隔件调整变容二极管和耿氏二极管之间的距离,使得可以调节两者之间的电容耦合。 此外,在波导通道内并入可调节的反向短路,以调整振荡器的功率输出。 此外,微调螺丝螺纹地接合到波导通道以调节谐振器的电容。 该配置使得振荡器在不利的环境条件下具有稳定的输出和低功率损耗。
    • 5. 发明授权
    • Microwave oscillator integrated in a waveguide
    • 集成在波导中的微波振荡器
    • US4792769A
    • 1988-12-20
    • US167728
    • 1988-03-14
    • Narquise MamodalyJean Stevance
    • Narquise MamodalyJean Stevance
    • H03B9/14H03B7/14
    • H03B9/148H03B2009/126H03B9/146
    • A microwave oscillator integrated in a waveguide includes a negative-resistance diode encapsulated in a capped micromodule, a capacitor fixed on the cap, a resonator fixed on the capacitor and a metallic strip fixed on the capacitor and on a grounding stud. The metallic strip constitutes a device for coupling the diode with the auxiliary load and with the resonator. Outside the resonance frequency of the resonator, no oscillation is possible since the diode is in that case loaded by a low resistance and is not capable of oscillating. The dielectric resonator is the only element which resonates, thus endowing the oscillator with high stability.
    • 集成在波导中的微波振荡器包括封装在封盖的微型组件中的负电阻二极管,固定在盖上的电容器,固定在电容器上的谐振器和固定在电容器上的接地螺柱上的金属条。 金属带构成用于将二极管与辅助负载和谐振器耦合的装置。 在谐振器的谐振频率之外,由于二极管在这种情况下由低电阻加载并且不能振荡,所以不可能振荡。 介质谐振器是谐振的唯一元件,从而赋予振荡器高稳定性。