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1. 发明申请

WO2014043531A1 CANCELLING SUPPLY NOISE IN A VOLTAGE CONTROLLED OSCILLATOR CIRCUIT 审中-公开
标题翻译：在电压控制的振荡器电路中取消电源噪声
公开(公告)号：WO2014043531A1
公开(公告)日：2014-03-20
申请号：PCT/US2013/059757
申请日：2013-09-13
申请人： QUALCOMM INCORPORATED
发明人： LIU, Li , NARATHONG, Chiewcharn
IPC分类号： H03B5/04 , H03L1/00 , H03L7/099
CPC分类号： H03B5/1228 , H01L25/00 , H01L2924/0002 , H03B5/04 , H03B5/1209 , H03B5/1243 , H03B2200/0088 , H03L1/00 , H03L7/099 , H01L2924/00
摘要： A voltage controlled oscillator (VCO) core for cancelling a supply noise is described. The VCO core includes an input node that receives the supply noise. The VCO core also includes a noise path coupled to the input node. The VCO core additionally includes a cancellation path coupled to the input node and the noise path. The cancellation path includes a programmable gain circuit coupled with a first terminal of a varactor. The supply noise passes through the programmable gain circuit to produce a cancellation noise.
摘要翻译：描述了用于消除电源噪声的压控振荡器（VCO）芯。 VCO核心包括接收电源噪声的输入节点。 VCO核心还包括耦合到输入节点的噪声路径。 VCO核心还包括耦合到输入节点和噪声路径的消除路径。消除路径包括与变容二极管的第一端子耦合的可编程增益电路。电源噪声通过可编程增益电路产生消除噪声。

2. 发明申请

WO2014055379A1 A CRYSTAL OSCILLATOR WITH A NOISELESS AND AMPLITUDE BASED START UP CONTROL LOOP 审中-公开
标题翻译：具有无噪声和振幅基于启动控制环的水晶振荡器
公开(公告)号：WO2014055379A1
公开(公告)日：2014-04-10
申请号：PCT/US2013/062520
申请日：2013-09-30
申请人： TENSORCOM, INC.
发明人： THAM, KhongMeng
IPC分类号： H03B5/32
CPC分类号： H03B5/364 , H03B5/06 , H03B2200/0088 , H03B2200/0094 , H03B2201/031 , H03L5/00
摘要： A large gain is used to start up the oscillation of the crystal quickly. A control circuit disables a low resistance path based on the measured amplitude to reduce the power dissipation specification of the crystal. Another technique introduces a mixed-signal controlled power supply multi-path resistive array which tailors the maximum current to the crystal. A successive approximation register converts the amplitude into several partitions and enables/disables one of several power routing paths to the inverter of the oscillator. This allows a better match between the crystal selected by the customer and the on-chip drive circuitry to power up the oscillator without stressing the crystal. The "1/f" noise of the oscillator circuit is minimized by operating transistors in the triode region instead of the linear region.
摘要翻译：使用大的增益快速启动晶体振荡。控制电路基于测量的振幅来禁用低电阻路径，以减少晶体的功耗规格。另一种技术引入了一种混合信号控制电源多路径电阻阵列，可以调整晶体的最大电流。逐次逼近寄存器将振幅转换成几个分区，并使能/禁用振荡器的反相器的几个电源路由路径之一。这允许由客户选择的晶体和片上驱动电路之间更好地匹配，以在不强调晶体的情况下加电振荡器。通过在三极管区域中操作晶体管而不是线性区域来使振荡器电路的“1 / f”噪声最小化。

3. 发明申请

WO1996023351A1 OSCILLATOR WITH IMPROVED SIDEBAND NOISE 审中-公开
标题翻译：具有改进的边带噪声的振荡器
公开(公告)号：WO1996023351A1
公开(公告)日：1996-08-01
申请号：PCT/US1996000376
申请日：1996-01-11
申请人： MOTOROLA INC.
发明人： MOTOROLA INC. , AVANIC, Branko , YEH, Peter, J. , OOI, Leng, Hock
IPC分类号： H03B05/18
CPC分类号： H03B5/1847 , H03B2200/0024 , H03B2200/004 , H03B2200/0086 , H03B2200/0088 , H03B2201/0208 , H03B2202/025 , H03B2202/05
摘要： An oscillator (200) with improved sideband noise is disclosed. This improvement is accomplished without affecting the Q or the output power of the oscillator (200). The improvement is realized by increasing the rate of change of reactance over frequency. The increase in the rate of change is realized by placing two transmission lines (208, 210) in close proximity of each other. This increase assures oscillation while minimizing the sideband noise, and providing maximum bandwidth.
摘要翻译：公开了具有改进的边带噪声的振荡器（200）。这种改进是在不影响振荡器（200）的Q或输出功率的情况下完成的。通过提高频率上的电抗变化率来实现改进。通过将两个传输线（208,210）彼此靠近放置来实现变化率的增加。这种增加确保振荡，同时最小化边带噪声，并提供最大带宽。

4. 发明申请

WO1994000912A1 OSCILLATOR CIRCUIT AND USE OF THE CIRCUIT 审中-公开
标题翻译：振荡电路和它们的用途
公开(公告)号：WO1994000912A1
公开(公告)日：1994-01-06
申请号：PCT/EP1993001577
申请日：1993-06-21
申请人： DEUTSCHE THOMSON-BRANDT GMBH , MAIER, Gerhard , CLEMENS, Klaus
发明人： DEUTSCHE THOMSON-BRANDT GMBH
IPC分类号： H03B05/18
CPC分类号： H03B5/1852 , H03B5/1203 , H03B5/1228 , H03B5/1243 , H03B5/1293 , H03B2200/0008 , H03B2200/004 , H03B2200/0056 , H03B2200/0088 , H03B2201/0208
摘要： The aim of the invention is to provide an oscillator circuit which generates high-frequency output signals and can be controlled by a d.c. signal. The invention calls for a first stage (10), which oscillates at substantially the same frequency, to be connected in series with a second stage (20) which includes a variable-capacitance diode. The preferred use of the invention is in double converters for processing TV signals.

5. 发明申请

WO1990015484A1 VOLTAGE CONTROL OSCILLATOR WITH AUTOMATIC CURRENT CONTROL 审中-公开
标题翻译：具有自动电流控制的电压控制振荡器
公开(公告)号：WO1990015484A1
公开(公告)日：1990-12-13
申请号：PCT/US1990002678
申请日：1990-05-17
申请人： MOTOROLA, INC.
发明人： MOTOROLA, INC. , KEHLER, Walter, H., Jr.
IPC分类号： H03L07/00
CPC分类号： H03L5/00 , H03B5/1203 , H03B5/1231 , H03B5/1243 , H03B5/1296 , H03B2200/0062 , H03B2200/0088 , H03B2200/009 , H03L1/00
摘要： An automatic voltage-controlled oscillator (VCO) current control circuit (100, 200, 300 or 400) that senses a voltage in the VCO (201) representative of the current of the VCO (201), compares that voltage (V2) to a reference voltage (V1), and applies the voltage (V3) resulting from that comparison back to the VCO (201) at a point therein that changes its bias state in such a manner as to maintain the noise level in the VCO at a minimum and also maintains the power output of the oscillator substantially constant.

6. 发明申请

WO2017011936A1 低共模耦合效应的集成电路审中-公开
公开(公告)号：WO2017011936A1
公开(公告)日：2017-01-26
申请号：PCT/CN2015/084308
申请日：2015-07-17
申请人：无锡中星微电子有限公司
发明人：吴悦 , 贾天宇
IPC分类号： H01L23/64
CPC分类号： H03B5/08 , H01F27/2823 , H01F27/29 , H01L23/64 , H01L23/66 , H01L28/10 , H01L2223/6611 , H01L2223/6638 , H03B2200/0088
摘要：一种集成电路，其形成于同一个晶片内，其包括：工作于第一频率的第一电路，其包括第一电感；包括第二电感的第二电路，其对输入信号进行处理，该输入信号的偶次谐波的频率位于所述第一频率附近，该第二电感包括第一连接端（A）、第二连接端（B）、中间连接端（M）、中间节点（D）、连接于第一连接端（A）和中间节点（D）之间的第一线路、连接于中间节点（D）和第二连接端（B）之间的第二线路以及连接于中间节点（D）和中间连接端（M）之间的中间抽头，第一线路和第二线路延伸形成一匝或多匝线圈。在电流从第一连接端（A）流向中间连接端（M），从第二连接端（B）流向中间连接端（M）时，第一线路、第二线路和中间抽头上的电流产生的磁场能够基本互相抵消，从而降低了第二电路对第一电路的共模耦合的影响。

7. 发明申请

WO2015006192A1 DEVICES AND METHODS FOR REDUCING NOISE IN DIGITALLY CONTROLLED OSCILLATORS 审中-公开
标题翻译：用于减少数字控制振荡器噪声的装置和方法
公开(公告)号：WO2015006192A1
公开(公告)日：2015-01-15
申请号：PCT/US2014/045539
申请日：2014-07-07
申请人： QUALCOMM INCORPORATED
发明人： BALLANTYNE, Gary, John , SUN, Bo , TANG, Yi , YANG, Zixiang , ENSAFDARAN, Masoud
IPC分类号： H03L7/099
CPC分类号： H03L7/0991 , H03B5/1265 , H03B2200/0088 , H03B2201/025 , H03B2202/017 , H03J5/24 , H03J2200/10 , H03J2200/36 , H03L7/099 , H03L2207/50
摘要： One feature pertains to a digitally controlled oscillator (DCO) that comprises a variable capacitor and noise reduction circuitry. The variable capacitor has a variable capacitance value that controls an output frequency of the DCO. The variable capacitance value is based on a first bank capacitance value provided by a first capacitor bank, a second bank capacitance value provided by a second capacitor bank, and an auxiliary bank capacitance value provided by an auxiliary capacitor bank. The noise reduction circuitry is adapted to adjust the variable capacitance value by adjusting the auxiliary bank capacitance value while maintaining at least one of the first bank capacitance value and/or the second bank capacitance value substantially unchanged. Prior to adjusting the variable capacitance value, the noise reduction circuitry may determine that a received input DCO control word transitions across a capacitor bank sensitive boundary.
摘要翻译：一个特征涉及包含可变电容器和降噪电路的数字控制振荡器（DCO）。可变电容器具有控制DCO的输出频率的可变电容值。可变电容值基于由第一电容器组提供的第一组电容值，由第二电容器组提供的第二组电容值和由辅助电容器组提供的辅助组电容值。噪声降低电路适于通过调整辅助电容电容值来调节可变电容值，同时保持第一组电容值和/或第二组电容值中的至少一个基本上不变。在调整可变电容值之前，噪声降低电路可以确定接收的输入DCO控制字在电容器组敏感边界之间跳变。

8. 发明申请

WO2005062461A1 METHOD AND APPARATUS FOR REDUCED NOISE BAND SWITCHING CIRCUITS 审中-公开
标题翻译：减少噪声带开关电路的方法和装置
公开(公告)号：WO2005062461A1
公开(公告)日：2005-07-07
申请号：PCT/CA2004/002190
申请日：2004-12-22
申请人： SIRIFIC WIRELESS CORPORATION , YAVORSKYY, Volodymyr , MANKU, Tajinder , WEI, James
发明人： YAVORSKYY, Volodymyr , MANKU, Tajinder , WEI, James
IPC分类号： H03B5/02
CPC分类号： H03B5/04 , H03B5/1212 , H03B5/1228 , H03B5/124 , H03B5/1293 , H03B2200/0088 , H03L7/099
摘要： A low-phase noise voltage control oscillator (VCO) comprising a voltage source for supplying control voltage to the VCO core; a phase lock loop, having an output connected to an input of the voltage source; a VCO core, including an amplifier circuit with noiseless biasing and a tank circuit with noiseless biasing of the varactors; having an output connected to an input of the phase lock loop; and an attenuator, located between the voltage source and the VCO core, for reducing phase noise from the voltage source to the VCO core.
摘要翻译：一种低相位噪声电压控制振荡器（VCO），包括用于向VCO核心提供控制电压的电压源; 锁相环，具有连接到电压源的输入的输出; VCO核心，包括具有无噪声偏置的放大器电路和具有无阻抗偏置的变容二极管的电路; 具有连接到所述锁相环的输入的输出; 以及位于电压源和VCO核心之间的衰减器，用于减小从电压源到VCO核心的相位噪声。

9. 发明申请

WO2010059445A1 LOW NOISE OSCILLATORS 审中-公开
标题翻译：低噪声振荡器
公开(公告)号：WO2010059445A1
公开(公告)日：2010-05-27
申请号：PCT/US2009/063666
申请日：2009-11-09
申请人： RAYTHEON COMPANY , CLARK, Roger, L. , COOPER, William, W. , GUGLIUZZA, Mark, J.
发明人： CLARK, Roger, L. , COOPER, William, W. , GUGLIUZZA, Mark, J.
IPC分类号： H03B5/04 , H03B5/12
CPC分类号： H03B5/04 , H03B5/1203 , H03B5/1231 , H03B2200/0088
摘要： An oscillator having: a transistor; a resonant circuit coupled between an output electrode of the transistor and a control electrode of the transistor; and a dc bias circuit for the transistor. The dc bias circuit comprises: a voltage producing circuit and a differential amplifier. The differential amplifier includes: a first input coupled to a fixed reference voltage; a second input coupled to the voltage producing circuit, such voltage producing circuit producing a voltage at the second input of the difference amplifier related to current passing through the output electrode of the transistor; and an output coupled to the control electrode of the transistor.
摘要翻译：具有晶体管的振荡器; 耦合在所述晶体管的输出电极和所述晶体管的控制电极之间的谐振电路; 以及用于晶体管的直流偏置电路。直流偏置电路包括：电压产生电路和差分放大器。差分放大器包括：耦合到固定参考电压的第一输入; 耦合到电压产生电路的第二输入端，该电压产生电路在与通过晶体管的输出电极的电流相关的差分放大器的第二输入端产生电压; 以及耦合到晶体管的控制电极的输出。

10. 发明申请

WO2006129405A1 電圧制御発振器审中-公开
标题翻译：电压控制振荡器
公开(公告)号：WO2006129405A1
公开(公告)日：2006-12-07
申请号：PCT/JP2006/304807
申请日：2006-03-10
申请人：株式会社豊田自動織機 , 勝永浩史
发明人：勝永浩史
IPC分类号： H03B5/12
CPC分类号： H03B5/1228 , H03B5/1215 , H03B5/124 , H03B5/1271 , H03B2200/0088 , H03B2202/06
摘要：　本発明の課題は、電圧制御発振器の位相雑音を抑制することである。複数のＭＯＳトランジスタＴＲ１２、ＴＲ１３・・・のドレインは、複数のスイッチＳＷ１、ＳＷ２・・・を介してＭＯＳトランジスタＴＲ１１のドレインと接続されている。発振周波数を設定するための周波数設定用デジタルデータから得られるｇｍ設定用デジタルデータによりスイッチＳＷ１，ＳＷ２・・・をオンまたはオフにすることでＭＯＳトランジスタＴＲ１１に並列に選択的に複数のＭＯＳトランジスタＴＲ１２，ＴＲ１３・・・を接続する。これにより、共振回路１０に供給する電流を変化させる。
摘要翻译：抑制了压控振荡器的相位噪声。多个MOS晶体管（TR12，TR13等）的漏极通过多个开关（SW1，SW2等）与MOS晶体管（TR11）的漏极连接。 MOS晶体管（TR12，TR13等）由MOS晶体管（TR11）与MOS晶体管（TR11）并联，通过gm设定开关（SW1，SW2等）的设定数字数据，设定振荡频率。因此，提供给谐振电路（10）的电流发生变化。

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