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    • 40. 发明授权
    • Differential oscillation apparatus and modulator
    • 差分振荡装置和调制器
    • US07965150B2
    • 2011-06-21
    • US12303727
    • 2007-05-23
    • Shigeru KobayashiSuguru Fujita
    • Shigeru KobayashiSuguru Fujita
    • H03L5/00H03L1/00
    • H03L7/00H03B5/06H03B5/1215H03B5/1231H03B5/1271H03C1/36H03L3/00H04B1/7174
    • It is an object of the present invention to shorten a time required until phases of output signals being output from two output terminals are inverted respectively from a start time of an oscillation in a differential oscillation apparatus. In a differential oscillation apparatus according to the present invention which includes a differential oscillator portion 103 having an external input terminal at a terminal of one transistor 105 and a switch circuit 104, a first control signal generation circuit 101 for generating a first control signal to control an oscillation start and an oscillation stop of the differential oscillator portion 103, and a second control signal generation circuit 102 for generating a second control signal input into the terminal of one transistor 105 of the differential oscillator portion 103, when a phase relationship between collector currents flowing through two transistors 105, 106 is decided by the second control signal, output signals being output from two output terminals are opposite in phase from a start time of an oscillation.
    • 本发明的目的是缩短从两个输出端子输出的输出信号的相位分别从差分振荡装置的振荡的开始时刻反转所需的时间。 在根据本发明的差分振荡装置中,包括在一个晶体管105的端子处具有外部输入端子的差分振荡器部分103和开关电路104,用于产生控制信号的第一控制信号的第一控制信号产生电路101 差分振荡器部分103的振荡开始和振荡停止;以及第二控制信号产生电路102,用于产生输入到差分振荡器部分103的一个晶体管105的端子中的第二控制信号,当集电极电流 流过两个晶体管105,106由第二控制信号决定,从两个输出端子输出的输出信号与振荡的开始时间相位相反。