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公开(公告)号：WO02082656A2
公开(公告)日：2002-10-17
申请号：PCT/US0211121
申请日：2002-04-09
Applicant: CTS CORP
Inventor： KNECHT THOMAS , LUFF MARLIN , FRY STEVEN , SUTLIFF RICHARD
Abstract: A frequency-adjustable oscillator suitable for digital signal clock synchronization comprises a crystal oscillator circuit for generating a driving signal and having a voltage-variable control input for adjusting a frequency of the driving signal, a phase detector circuit for generating a phase offset signal, a filter which operates on the phase offset signal to produce a VCO control signal, a voltage controlled oscillator circuit operably linked to the filter and responsive to the VCO control signal for generating an analog controlled-frequency signal, a frequency divider circuit for generating a reduced frequency feedback signal in response to the controlled-frequency signal. The frequency-adjustable oscillator also includes a double-sided package including a platform having a central portion and an outer portion with sidewalls extending substantially upwardly and substantially downwardly from the outer portion of the platform. The upwardly extending sidewalls and the platform form a first cavity adapted to receive and electrically connect the quartz resonator. The downwardly extending sidewalls and the platform forming a second cavity adapted to receive and electrically connect at least one electronic component. A cover is coupled with the first cavity to create an isolated environment for containing the quartz resonator.
Abstract translation: 适用于数字信号时钟同步的频率可调振荡器包括用于产生驱动信号并具有用于调节驱动信号的频率的电压可变控制输入的晶体振荡器电路，用于产生相位偏移信号的相位检测器电路， 滤波器，其对相位偏移信号进行操作以产生VCO控制信号;压控振荡器电路，其可操作地连接到所述滤波器并响应于所述VCO控制信号以产生模拟受控频率信号;分频器电路，用于产生降频 响应于受控频率信号的反馈信号。 频率可调节振荡器还包括双面封装，其包括具有中心部分的平台和具有从平台的外部部分基本向上且基本向下延伸的侧壁的外部部分。 向上延伸的侧壁和平台形成适于接收和电连接石英谐振器的第一腔。 向下延伸的侧壁和平台形成适于接收和电连接至少一个电子部件的第二腔。 盖与第一腔结合以产生用于容纳石英谐振器的隔离环境。
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公开(公告)号：AU2002256138A1
公开(公告)日：2002-10-21
申请号：AU2002256138
申请日：2002-04-09
Applicant: CTS CORP
Inventor： KNECHT THOMAS , FRY STEVEN , SUTLIFF RICHARD , LUFF MARLIN
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公开(公告)号：CA2442851A1
公开(公告)日：2002-10-17
申请号：CA2442851
申请日：2002-04-09
Applicant: CTS CORP
Inventor： SUTLIFF RICHARD , FRY STEVEN , LUFF MARLIN , KNECHT THOMAS
Abstract: A frequency-adjustable oscillator suitable for digital signal clock synchronization comprises a crystal oscillator circuit for generating a driving signal and having a voltage-variable control input for adjusting a frequency of the driving signal, a phase detector circuit for generating a phase offset signal, a filter which operates on the phase offset signal to produce a VCO control signal, a voltage controlled oscillator circuit operab ly linked to the filter and responsive to the VCO control signal for generating an analog controlled-frequency signal, a frequency divider circuit for generating a reduced frequency feedback signal in response to the controlled - frequency signal. The frequency-adjustable oscillator also includes a double - sided package including a platform having a central portion and an outer portion with sidewalls extending substantially upwardly and substantially downwardly from the outer portion of the platform. The upwardly extending sidewalls and the platform form a first cavity adapted to receive and electrically connect the quartz resonator. The downwardly extending sidewall s and the platform forming a second cavity adapted to receive and electrically connect at least one electronic component. A cover is coupled with the first cavity to create an isolated environmentfor containing the quartz resonator.
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