发明授权
US07528673B2 Oscillator circuit and semiconductor device having oscillator circuit
失效
振荡电路和具有振荡电路的半导体器件
- 专利标题： Oscillator circuit and semiconductor device having oscillator circuit
- 专利标题（中）： 振荡电路和具有振荡电路的半导体器件
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申请号： US11225451申请日： 2005-09-13
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公开(公告)号： US07528673B2公开(公告)日： 2009-05-05
- 发明人: Akihisa Shibuya , Koji Tsukamoto , Yasuhide Shimizu , Tsuyoshi Tanaka
- 申请人： Akihisa Shibuya , Koji Tsukamoto , Yasuhide Shimizu , Tsuyoshi Tanaka
- 申请人地址： JP Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Sonnenschein Nath & Rosenthal LLP
- 优先权： JPP2004-271989 20040917
- 主分类号： H03K3/26
- IPC分类号： H03K3/26
摘要：
An oscillator circuit having a closed loop connection, including: an oscillator for generating an output signal oscillating at a frequency corresponding to a control signal; a frequency/voltage converter for generating a detection signal having a voltage corresponding to a frequency of the output signal; a difference detector for generating a difference signal indicating a difference between the detection signal and a reference signal; and an integrator for generating the control signal by integrating the difference signal.
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