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71. 发明授权

US5260608A Phase-locked loop and resulting frequency multiplier 失效
标题翻译：锁相环和产生的倍频器
公开(公告)号：US5260608A
公开(公告)日：1993-11-09
申请号：US762018
申请日：1991-09-18
申请人： Rolland Marbot
发明人： Rolland Marbot
IPC分类号： H03B19/00 , H03B19/14 , H03K5/00 , H03L7/081 , H03L7/089 , H03L7/16 , H03L7/00
CPC分类号： H03B19/00 , H03B19/14 , H03K5/00006 , H03L7/0814 , H03L7/089 , H03L7/16
摘要： A frequency multiplier 20 is embodied by a phase-locked loop including a phase comparator 11 for commanding a plurality of delay elements 130 to 137 that furnish successive phase-shift signals CL0-CL7 to a logical adder 16 made up of EXCLUSIVE OR gates.
摘要翻译： PCT No.PCT / FR91 / 00058 Sec。 371 1991年9月18日 102（e）1991年9月18日PCT 1991年1月30日PCT PCT。公开号WO91 / 12666 日期为1991年8月22日。倍增器20由包括相位比较器11的锁相环实现，相位比较器11用于指令多个延迟元件130至137，延迟元件130至137将相继的相移信号CL0-CL7提供给制作的逻辑加法器16 独家或门。

72. 发明授权

US5257409A Frequency synthesizer with programming feedback 失效
标题翻译：具有编程反馈的频率合成器
公开(公告)号：US5257409A
公开(公告)日：1993-10-26
申请号：US779553
申请日：1991-10-18
申请人： Robert J. Sarocka , David D. Neperud , Peter P. Walter , Tim J. Manczko , David H. Spensley, Jr.
发明人： Robert J. Sarocka , David D. Neperud , Peter P. Walter , Tim J. Manczko , David H. Spensley, Jr.
IPC分类号： H03C3/09 , H03L7/16 , H04B1/40
CPC分类号： H04B1/405 , H03L7/16 , H03C3/0908
摘要： This disclosure discusses a programmable frequency synthesizer arrangement having programming feedback capability used to avoid undesirable operation due to random hard and soft faults. The arrangement operates by supplying appropriate programming information, receiving the same, subject to random hard or soft faults, and, in response, directing the operation of a frequency synthesizer (10). The feedback capability is accomplished by generating a feedback signal (35, 36) indicative of the programming information as applied to the frequency synthesizer, generating a reference signal representative of the appropriate programming information, comparing the two signals, and blocking undesirable operation of the frequency synthesizer if the comparison indicates the occurrence of a random hard or soft fault. Further disclosed is a wireless communications transceiver with the programmable frequency synthesizer arrangement.
摘要翻译：该公开内容讨论了具有编程反馈能力的可编程频率合成器装置，其用于避免由于随机硬和软故障引起的不期望的操作。该装置通过提供适当的编程信息，接收它，受到随机的硬或软故障的影响，并作为响应，指导频率合成器（10）的操作。反馈能力是通过产生指示应用于频率合成器的编程信息的反馈信号（35,36）来产生的，产生表示适当的编程信息的参考信号，比较两个信号，并阻止频率的不期望的操作如果比较指示出现随机硬或软故障，则合成器。还公开了具有可编程频率合成器装置的无线通信收发器。

73. 发明授权

US5221062A Frequency synthesizer 失效
标题翻译：频率合成器
公开(公告)号：US5221062A
公开(公告)日：1993-06-22
申请号：US568374
申请日：1990-08-16
申请人： Keith P. Arnold , Robert Rosen
发明人： Keith P. Arnold , Robert Rosen
IPC分类号： F41G7/30 , F42B15/01 , H03L7/16 , H03L7/185
CPC分类号： F41G7/306 , F41G7/308 , H03L7/185
摘要： A frequency synthesizer (100) for use in combination with the transmitter (30) for transmitting guidance information to one or more ground launched active radar guided missiles simultaneously which is tunable to a plurality of frequencies separated by a predetermined interval. The frequency synthesizer (100) employs a phase-locked loop (110) having a phase detector (114) which receives input signals of common frequency from two dividers (112 and 124). Frequency control is achieved by varying the divisor of one of the dividers (112).
摘要翻译：一种频率合成器（100），用于与发射机（30）组合使用，用于将引导信息同时发送到一个或多个地面发射的主动雷达导弹，其可调谐到以预定间隔分开的多个频率。频率合成器（100）采用具有从两个分频器（112和124）接收公共频率的输入信号的相位检测器（114）的锁相环（110）。通过改变分频器（112）之一的除数来实现频率控制。

74. 发明授权

US4914405A Frequency synthesizer 失效
标题翻译：频率合成器
公开(公告)号：US4914405A
公开(公告)日：1990-04-03
申请号：US239567
申请日：1988-09-01
申请人： John N. Wells
发明人： John N. Wells
IPC分类号： H03L7/16 , H03L7/20
CPC分类号： H03L7/20
摘要： A low-noise frequency synthesizer comprises a low-noise oscillator, such as a crystal oscillator, a multiplier, a divider and a phase-locked loop and is adapted to provide an output signal which is a combination of the multiplied and divided frequency. Thus, a large number of frequencies are available as an output in small increments determined by the division ratio of the divider.

75. 发明授权

US4800341A Fast switching frequency synthesizer 失效
标题翻译：快速开关频率合成器
公开(公告)号：US4800341A
公开(公告)日：1989-01-24
申请号：US115027
申请日：1987-11-02
申请人： Edgar A. Johnson
发明人： Edgar A. Johnson
IPC分类号： H03L7/22 , H03L7/16
CPC分类号： H03L7/22
摘要： A synthesizer produces step frequencies by multiplying the frequency of a reference oscillator and stimulating an SRD comb frequency generator, then adding or subtracting a reference frequency. The selected step frequency can be placed on either side of each picket of the comb's spectrum. A fine adjustment frequency is then added in a translation oscillator. The fine frequency component can also be placed on either side of the selected step frequency.Frequency dividers, which would result in noisy final outputs, are not employed. Instead, the frequency of a reference signal is multiplied up in a narrowband channel to serve as a local oscillator, and the VCO signal frequency is reduced by heterodyning it down from its ultra-high frequency. The down-converted difference frequency is compared as to phase with the reference oscillator. The loop gain and bandwidth are so high in the phase lock loops that output noise is low and switching time is fast.
摘要翻译：合成器通过乘以参考振荡器的频率和刺激SRD梳状频率发生器，然后加上或减去参考频率来产生步进频率。选择的步进频率可以放置在梳子频谱的每个拾音器的两侧。然后，在转换振荡器中加入微调频率。精细频率分量也可以放置在选定步进频率的任一侧。不会使用分频器，导致最终输出嘈杂。相反，参考信号的频率在窄带信道中被乘积以用作本地振荡器，并且通过从其超高频率下降来抑制VCO信号频率。将下变频差分频率与参考振荡器的相位进行比较。在锁相环中环路增益和带宽如此之高，输出噪声低，切换时间快。

76. 发明授权

US4682362A Generating narrowly-separated variable-frequency clock signals 失效
标题翻译：生成狭窄分离的可变频率时钟信号
公开(公告)号：US4682362A
公开(公告)日：1987-07-21
申请号：US779785
申请日：1985-09-24
申请人： Richard E. DeFreitas , Daniel T. Sullivan
发明人： Richard E. DeFreitas , Daniel T. Sullivan
IPC分类号： G10H5/00 , G10H7/04 , H03L7/16
CPC分类号： G10H5/002 , G10H7/04 , Y10S84/04
摘要： Generating clock signals of slightly different frequencies without the signals locking up in synchrony, by providing a voltage-to-frequency converter driven by the output of an integrator, which is supplied with a signal representative of the sum of a frequency-difference command and the difference in frequency between the two clocks.
摘要翻译：通过提供由积分器的输出驱动的电压 - 频率转换器，产生具有略微不同频率的时钟信号，而不会使信号同步锁定，该电压 - 频率转换器被提供有表示频差指令和两个时钟之间的频率差异。

77. 发明授权

US4647847A Method and apparatus for eliminating harmonic skip 失效
标题翻译：消除谐波跳跃的方法和装置
公开(公告)号：US4647847A
公开(公告)日：1987-03-03
申请号：US569008
申请日：1984-01-09
申请人： Mark D. Roos
发明人： Mark D. Roos
IPC分类号： H03L7/16 , G01R23/14 , H03D7/00
CPC分类号： G01R23/14
摘要： A method is provided to eliminate harmonic skip problems in a down-conversion system. The method makes use of the relationship between the frequency of the intermediate frequency signal and the harmonic number of the local oscillator signal with respect to the frequency of the frequency of the source signal. By monitoring and measuring corresponding changes in the intermediate frequency signal caused by predetermined changes in the frequency of the local oscillator signal, a determination of the proper local oscillator signal and the proper harmonic can be made using a processor. The proper frequency and harmonic can then be maintained by periodically checking the relationship between variables.
摘要翻译：提供了一种用于消除下变频系统中的谐波跳跃问题的方法。该方法利用中频信号的频率与本地振荡器信号的谐波数相对于源信号的频率的频率之间的关系。通过监视和测量由本地振荡器信号的频率的预定变化引起的中频信号的相应变化，可以使用处理器来确定适当的本地振荡器信号和适当的谐波。然后可以通过定期检查变量之间的关系来维持正确的频率和谐波。

78. 发明授权

US4591859A Radar transmitter 失效
标题翻译：雷达发射机
公开(公告)号：US4591859A
公开(公告)日：1986-05-27
申请号：US419678
申请日：1982-09-20
申请人： Richard A. Campbell
发明人： Richard A. Campbell
IPC分类号： H04B1/40 , G01S7/28 , G01S7/282 , H03L7/06 , H03L7/16 , H04B1/04
CPC分类号： H03L7/16
摘要： A radar transmitter is shown to include a voltage-controlled oscillator and associated amplifier to produce a signal to be transmitted with any noise generated within such oscillator and amplifier being reduced to a minimum by extracting a sample of the signal to be transmitted, downconverting such sample and then phase detecting the downconverted sample to derive a control signal for such oscillator.
摘要翻译：雷达发射机被示为包括压控振荡器和相关放大器以产生待发射的信号，其中在这种振荡器和放大器内产生的任何噪声通过提取要传输的信号的样本而减小到最小，将该样本然后相位检测下变频采样以得到这种振荡器的控制信号。

79. 发明授权

US4434407A Presetting circuit for the voltage-controlled oscillator of a phase lock loop 失效
标题翻译：用于锁相环的压控振荡器的预置电路
公开(公告)号：US4434407A
公开(公告)日：1984-02-28
申请号：US251554
申请日：1981-04-06
申请人： Daniel J. Healey, III , Steven Morrison
发明人： Daniel J. Healey, III , Steven Morrison
IPC分类号： H03L7/10 , H03L7/16 , H03L7/12
CPC分类号： H03L7/10 , H03L7/16 , Y10S331/02
摘要： An improved presettable integrator circuit is disposed in a fast frequency changing phase lock loop for presetting the voltage-controlled oscillator thereof as governed by a preset signal and a pulsed signal generated by a frequency controller. One input of the integrator circuit is coupled to the preset signal, another input is coupled to an integrator control signal, and the output is coupled to the voltage-controlled oscillator for use as a tuning signal thereof. A switch is included in the integrator circuit and is governed in a first state by the pulsed signal to cause the integrator circuit to respond rapidly to an applied preset signal to preset the output signal thereof. In a second state, the switch renders the integrator circuit responsive to an integrator control signal which is selected by a phase lock condition of the loop from either a reference signal or a filtered phase error signal, being coupled to the other input of the integrator circuit. Also disclosed are methods for calibrating the voltage-controlled oscillator of the phase lock loop using the improved presettable integrator circuit when the phase lock loop is selectively governed by one of either a first or second frequency reference source.
摘要翻译：改进的预置积分器电路设置在快速变频锁相环中，用于预设其由预设信号和由频率控制器产生的脉冲信号所控制的其压控振荡器。积分器电路的一个输入耦合到预置信号，另一个输入耦合到积分器控制信号，并且该输出耦合到压控振荡器以用作其调谐信号。开关包括在积分器电路中，并且通过脉冲信号被控制在第一状态，以使积分器电路快速响应于所施加的预置信号以预设其输出信号。在第二状态下，开关使得积分器电路响应于积分器控制信号，该积分器控制信号通过耦合到积分器电路的另一个输入端的参考信号或滤波相位误差信号由环路的锁相条件选择。还公开了当锁相环由第一或第二频率参考源之一选择性地控制时，使用改进的预设积分器电路来校准锁相环的压控振荡器的方法。

80. 发明授权

US4353038A Wideband, synthesizer switched element voltage controlled oscillator 失效
标题翻译：宽带，合成器开关元件压控振荡器
公开(公告)号：US4353038A
公开(公告)日：1982-10-05
申请号：US249535
申请日：1981-03-31
申请人： Richard A. Rose , James K. Gehrke , Terrance J. Goedken , Roger Vilmur
发明人： Richard A. Rose , James K. Gehrke , Terrance J. Goedken , Roger Vilmur
IPC分类号： H03B1/00 , H03B5/12 , H03L7/187 , H03B5/18 , H03C3/22 , H03L7/16
CPC分类号： H03L7/187 , H03B5/1203 , H03B5/1231 , H03B5/1243 , H03B5/1262 , H03B2200/004 , H03B2201/0208 , H03L2207/06
摘要： An exceptionally wideband, synthesizer controlled voltage controlled oscillator is disclosed which is characterized by a plurality of pin diode frequency shift networks which, when actuated shifts the frequency of the oscillator in selectable binary steps within a wide frequency range in the order of 48 MHz. Special means are included to prevent undesireable parasitic oscillation modes when such frequency shift networks are in an inactuated, switched off mode. A multiple varactor tuning circuit is provided for selecting a precise frequency within a relatively narrow frequency band on the order of 6 MHz.
摘要翻译：公开了一种特别宽带的合成器控制的压控振荡器，其特征在于多个pin二极管频移网络，当致动器以48MHz的量级在宽的频率范围内以可选择的二进制步进移动振荡器的频率时。包括特殊装置，以防止当这种频移网络处于不活动，关闭模式时不期望的寄生振荡模式。提供了多变容矩阵调谐电路，用于在6MHz数量级的相对较窄的频带内选择精确的频率。

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