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    • 8. 发明公开
    • 발진기
    • 振荡器
    • KR1020080061261A
    • 2008-07-02
    • KR1020070119058
    • 2007-11-21
    • 후지쓰 메디아 데바이스 가부시키가이샤
    • 누마타토시마사푸엘알레한드로
    • H03B5/12
    • H03B5/1231H03B5/1203H03B5/1243H03B5/1262H03B2200/0008H03B2200/0048
    • An oscillator is provided to suppress phase noises by improving a carrier-to-noise ratio according to the outputting of oscillation signals from a collector of a first transistor. An oscillator includes plural first transistors, a common node(N1), a feedback circuit(40), and plural isolation circuits(61-6n). The first transistors output different oscillation signals through collectors thereof. The common node receives outputs of emitters of the first transistors. The feedback circuit feeds back outputs of the common node to bases of the first transistors. The isolation circuits, which are installed between the emitters of the first transistors and the common node, cutoff high frequency components from the common node.
    • 提供振荡器以通过根据从第一晶体管的集电极输出振荡信号来提高载波噪声比来抑制相位噪声。 振荡器包括多个第一晶体管,公共节点(N1),反馈电路(40)和多个隔离电路(61-6n)。 第一晶体管通过其收集器输出不同的振荡信号。 公共节点接收第一晶体管的发射极的输出。 反馈电路将公共节点的输出反馈到第一晶体管的基极。 安装在第一晶体管的发射极和公共节点之间的隔离电路从公共节点切断高频分量。