公开(公告)号：US20040090278A1

公开(公告)日：2004-05-13

申请号：US10697329

申请日：2003-10-31

Inventor： Mutsumi Hamaguchi ,  Masafumi Yamanoue

IPC: H03B001/00

CPC classification number: H03B5/1212 ,  H03B5/1221 ,  H03B5/1228 ,  H03B5/1243 ,  H03B2201/0208 ,  H03B2201/031

Abstract: A voltage-controlled oscillator has a voltage-controlled oscillation circuit that oscillates at a frequency according to a control voltage and a limiter circuit that limits the output of the voltage-controlled oscillator to a predetermined level. This configuration makes it possible to maintain a constant output level irrespective of the oscillation frequency.

Abstract translation: 压控振荡器具有根据控制电压的频率振荡的压控振荡电路和将压控振荡器的输出限制在预定水平的限幅电路。 这种配置使得可以保持恒定的输出电平，而与振荡频率无关。

公开(公告)号：US4380827A

公开(公告)日：1983-04-19

申请号：US304391

申请日：1981-09-21

Applicant: Frederick H. Moon

Inventor： Frederick H. Moon

IPC: H03B1/00 ,  H03B5/12 ,  H04B1/26

CPC classification number: H03B5/1231 ,  H03B5/1203 ,  H03B5/1243 ,  H03B5/1293 ,  H03B2200/004 ,  H03B2200/0048 ,  H03B2200/0056 ,  H03B2200/0062 ,  H03B2200/0086 ,  H03B2201/0208 ,  H03B2201/031

Abstract: An oscillator is described for use in the tuner of a television receiver which is tuned to a selected channel by a variable tuning voltage. The oscillator provides a higher than conventional power output at relatively low channel numbers by virtue of circuitry which changes the oscillator's operating current in response to the tuning voltage reaching a predetermined value. That predetermined value is selected to correspond to a relatively low channel number at which the power output of a conventional oscillator begins to decline.

Abstract translation: 描述了用于通过可变调谐电压调谐到所选通道的电视接收机的调谐器中使用的振荡器。 借助于响应于调谐电压达到预定值而改变振荡器的工作电流的电路，振荡器以相对较低的通道数提供高于常规功率输出。 选择该预定值以对应于常规振荡器的功率输出开始下降的相对较低的通道号。

公开(公告)号：US4000379A

公开(公告)日：1976-12-28

申请号：US517376

申请日：1974-10-23

Applicant: Michael C. J. Cowpland

Inventor： Michael C. J. Cowpland

IPC: H03B1/00 ,  H03B5/20 ,  H04M1/50 ,  H04Q9/12

CPC classification number: H04M1/50 ,  H03B5/20 ,  H03B2201/0283 ,  H03B2201/031

Abstract: A modified Sallen and key active filter useful for generating tones in a tone generator which can be connected to a telephone line. The modification allows a broad range of frequencies to be generated with a relatively constant output amplitude, the output signal of which can be usefully employed for D.T.M.F. or interoffice multifrequency signal generation.

Abstract translation: 用于在可以连接到电话线的音调发生器中产生音调的经修改的Sallen和键有源滤波器。 该修改允许以相对恒定的输出幅度产生宽范围的频率，其输出信号可以有效地用于D.T.M.F. 或局间多频信号发生。

公开(公告)号：WO2019141584A1

公开(公告)日：2019-07-25

申请号：PCT/EP2019/050564

申请日：2019-01-10

Applicant: AMS AG

Inventor： GIRANI, Elisa ,  FRITZENWALLNER, Kurt ,  JANGER, Bernd

IPC: H03B5/36 ,  H03L7/02 ,  H03L7/08

CPC classification number: H03B5/364 ,  H03B2200/0094 ,  H03B2201/031 ,  H03L7/02 ,  H03L7/0802

Abstract: An oscillator circuit arrangement comprises a gain stage (10) and a feedback loop that includes a crystal device (XC). A clock signal monitor circuit(12) is connected to an output (102) of the gain stage and detects a frequency shift in the clock signal or a loss of oscillation. The current through the gain stage is controlled in response to a control signal generated by the clock signal monitor circuit.

公开(公告)号：WO2016192962A1

公开(公告)日：2016-12-08

申请号：PCT/EP2016/060873

申请日：2016-05-13

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Inventor： ELGAARD, Christian ,  SUNDSTRÖM, Lars

IPC: H03L5/00 ,  H03B5/12

CPC classification number: H03L5/00 ,  H03B5/1278 ,  H03B2201/031

Abstract: A frequency generation solution controls an oscillator amplitude using two feedback paths to generate high frequency signals with lower power consumption and lower noise. A first feedback path provides continuous control of the oscillator amplitude responsive to an amplitude detected at the oscillator output. A second feedback path provides discrete control of the amplitude regulating parameter(s) of the oscillator responsive to the detected oscillator amplitude. Because the second feedback path enables the adjustment of the amplitude regulating parameter(s), the second feedback path enables an amplifier in the first feedback path to operate at a reduced gain, and thus also at a reduced power and a reduced noise, without jeopardizing the performance of the oscillator.

Abstract translation: 频率发生解决方案使用两个反馈路径控制振荡器振幅，以产生具有较低功耗和较低噪声的高频信号。 响应于在振荡器输出处检测到的振幅，第一反馈路径提供对振荡器振幅的连续控制。 响应于检测到的振荡器振幅，第二反馈路径提供对振荡器的幅度调节参数的离散控制。 因为第二反馈路径使得能够调整幅度调节参数，所以第二反馈路径使得第一反馈路径中的放大器能够以减小的增益进行操作，并且因此也以降低的功率和降低的噪声工作，而不会危及 振荡器的性能。

公开(公告)号：WO2016066227A1

公开(公告)日：2016-05-06

申请号：PCT/EP2014/073490

申请日：2014-10-31

Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)

Inventor： BAO, Mingquan ,  LIGANDER, Per

IPC: H03B5/12 ,  H03B5/18

CPC classification number: H03B5/1823 ,  H03B5/1215 ,  H03B5/1231 ,  H03B5/1278 ,  H03B2200/009 ,  H03B2201/015 ,  H03B2201/031

Abstract: The present invention relates to an oscillator device (1) comprising a first amplifier unit (2) and a waveguide cavity resonator (3) with a cavity (11) and a first tuning device (4) mounted in the cavity (11). The cavity (11) has a first cavity length (a) running between two opposing inner walls (5,6) where a resonance frequency (f r ) of the resonator (3) is dependent on the first cavity length (a). The first tuning device (4) comprises at least one row (13, 14, 15) of switches (16) that are electrically openable and closable. Each row (13, 14, 15) is arranged to constitute an electrically conducting connection between said opposing inner walls (7, 8) when the switches of said row are closed. The first amplifier unit (2) is electrically connected to the waveguide cavity resonator (3) by means of a first (35) and a second connector (36) which are mutually out of phase with each other. The first amplifier unit (2) further comprises a first amplifier arrangement (37) and a tuneable bias connection (38).

Abstract translation: 本发明涉及一种包括第一放大器单元（2）和具有空腔（11）的波导腔谐振器（3）和安装在空腔（11）中的第一调谐装置（4））的振荡器装置（1）。 空腔（11）具有在两个相对的内壁（5,6）之间延伸的第一腔体长度（a），其中谐振器（3）的谐振频率（fr）取决于第一腔体长度（a）。 第一调谐装置（4）包括可电开启和关闭的开关（16）的至少一行（13,14,15）。 每排（13,14,15）被布置成当所述行的开关闭合时在所述相对的内壁（7,8）之间构成导电连接。 第一放大器单元（2）通过彼此相位异相的第一（35）和第二连接器（36）电连接到波导腔谐振器（3）。 第一放大器单元（2）还包括第一放大器装置（37）和可调偏置连接（38）。

公开(公告)号：WO2016099722A1

公开(公告)日：2016-06-23

申请号：PCT/US2015/060379

申请日：2015-11-12

Applicant: XILINX, INC.

Inventor： BEKELE, Adebabay, M. ,  UPADHYAYA, Parag

IPC: H03B5/12

CPC classification number: H03B5/1253 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1243 ,  H03B5/1265 ,  H03B5/1271 ,  H03B5/1278 ,  H03B5/129 ,  H03B2201/0208 ,  H03B2201/0266 ,  H03B2201/0291 ,  H03B2201/031 ,  H03B2201/038

Abstract: Voltage-controlled oscillation (100) is described. In an apparatus therefor, an inductor (120) has a tap and has or is coupled to a positive-side output node (105) and a negative side output node (106). The tap is coupled to receive a first current. A coarse grain capacitor array (130) is coupled to the positive-side output node (105) and the negative side output node (106) and is coupled to respectively receive select signals (168). A varactor (140) is coupled to the positive-side output node (105) and the negative side output node (106) and is coupled to receive a control voltage (143). The varactor (140) includes MuGFETs (141, 142). A transconductance cell (150) is coupled to the positive- side output node (105) and the negative side output node (106), and the transconductance cell (150) has a common node (107). A frequency scaled resistor network (160) is coupled to the common node (107) and is coupled to receive the select signals (168) for a resistance for a path for a second current.

Abstract translation: 描述了压控振荡（100）。 在其装置中，电感器（120）具有抽头并且具有或耦合到正侧输出节点（105）和负侧输出节点（106）。 抽头被耦合以接收第一电流。 粗粒电容器阵列（130）耦合到正侧输出节点（105）和负侧输出节点（106），并被耦合以分别接收选择信号（168）。 变容二极管（140）耦合到正侧输出节点（105）和负侧输出节点（106），并耦合以接收控制电压（143）。 变容二极管（140）包括MuGFET（141,142）。 跨导单元（150）耦合到正侧输出节点（105）和负侧输出节点（106），并且跨导单元（150）具有公共节点（107）。 频率比例电阻器网络（160）耦合到公共节点（107），并被耦合以接收用于第二电流的路径的电阻的选择信号（168）。

公开(公告)号：WO2012059120A1

公开(公告)日：2012-05-10

申请号：PCT/EP2010/066564

申请日：2010-11-01

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (publ) ,  BAO, Mingquan

Inventor： BAO, Mingquan

IPC: H03B5/12

CPC classification number: H03B5/1231 ,  H03B5/1215 ,  H03B5/1218 ,  H03B5/124 ,  H03B5/1293 ,  H03B2201/031

Abstract: An oscillator circuit (100) comprising a VCO (105), the VCO comprising a resonator (115) coupled to a first amplifier (110), with an output signal from the resonator (115) being arranged to be the output signal from the VCO. The oscillator circuit (100) also comprises an amplifier (120) connected to receive the output signal from the VCO, with the output signal of the amplifier (120) being arranged to be the output signal from the oscillator circuit. In the oscillator circuit (100), the second amplifier is arranged to provide the VCO with a feedback signal which is in phase with the phase of the output signal from the VCO, and the second amplifier (120) is arranged to have an amplifier gain as a function of frequency which is such that the amplitude of the output signal from the oscillator circuit (100) is constant over an operational frequency range of the oscillator circuit.

Abstract translation: 包括VCO（105）的振荡器电路（100），所述VCO包括耦合到第一放大器（110）的谐振器（115），来自谐振器（115）的输出信号被布置为来自VCO的输出信号 。 振荡器电路（100）还包括连接到接收来自VCO的输出信号的放大器（120），放大器（120）的输出信号被布置成来自振荡器电路的输出信号。 在振荡器电路（100）中，第二放大器布置成向VCO提供与来自VCO的输出信号的相位同相的反馈信号，并且第二放大器（120）被布置为具有放大器增益 作为频率的函数，使得振荡器电路（100）的输出信号的振幅在振荡器电路的工作频率范围内是恒定的。

公开(公告)号：WO99053608A1

公开(公告)日：1999-10-21

申请号：PCT/EP1999/002579

申请日：1999-04-15

IPC: H03B1/00 ,  H03B5/12 ,  H03C3/22

CPC classification number: H03C3/222 ,  H03B5/1203 ,  H03B5/1231 ,  H03B5/1243 ,  H03B2200/0008 ,  H03B2200/004 ,  H03B2201/0208 ,  H03B2201/031 ,  H03B2201/033

Abstract: A voltage controlled oscillator based on the Colpitt's design is provided. An inductor (Lc) is provided in parallel to one (Cs) of a pair of series connected capacitors (Cs, Cd). The present of the inductor (Lc) modifies the impedance ratio of the pair of series connected capacitors (Cs, Cd) by introducing a frequency dependence. This frequency dependence mitigates frequency dependent losses in a tuned circuit (Lr, Ct) in the voltage controlled oscillator. The invention provides an enhanced output signal over the frequency range of operation of the voltage controlled oscillator. The invention also improves the modulation of the voltage controlled oscillator's output signal which can be achieved by a separate modulation circuit (Cm, Rm, Vm).

Abstract translation: 提供了基于Colpitt设计的压控振荡器。 电感器（Lc）与一对串联电容器（Cs，Cd）中的一个（Cs）并联设置。 电感器（Lc）的存在通过引入频率依赖性来修改一对串联电容器（Cs，Cd）的阻抗比。 该频率依赖性减轻了压控振荡器中调谐电路（Lr，Ct）中的频率相关损耗。 本发明在压控振荡器的工作频率范围内提供增强的输出信号。 本发明还改进了压控振荡器的输出信号的调制，其可以通过单独的调制电路（Cm，Rm，Vm）来实现。

公开(公告)号：KR20180015740A

公开(公告)日：2018-02-13

申请号：KR20187000415

申请日：2016-05-13

IPC: H03L5/00 ,  H03B5/12

CPC classification number: H03L5/00 ,  H03B5/1278 ,  H03B2201/031

Abstract: 주파수생성솔루션은낮은전력소모와낮은노이즈로고주파신호들을생성하도록 2개의피드백경로들을사용하여오실레이터진폭을제어한다. 제1 피드백경로는오실레이터출력에서검출된진폭에응답하여오실레이터진폭의연속제어를제공한다. 제2 피드백경로는검출된오실레이터진폭에응답하여오실레이터의진폭조절파라미터(들)의이산제어를제공한다. 제2 피드백경로가진폭조절파라미터(들)의조정을가능하게하기때문에, 제2 피드백경로는, 제1 피드백경로내의증폭기가감소된이득에서, 또한이에따라오실레이터의성능을저해하지않으면서감소된전력및 감소된노이즈에서동작할수 있게한다.

Abstract translation: 频率产生解决方案使用两条反馈路径来控制振荡器振幅，以产生低功耗和低噪声的高频信号。 第一反馈路径响应于在振荡器输出处检测到的振幅来提供振荡器振幅的连续控制。 第二反馈路径响应于检测到的振荡器振幅来提供振荡器的振幅调制参数的离散控制。 因为第二反馈路径能够调节幅度调节参数，所以第二反馈路径被配置为允许第一反馈路径中的放大器以降低的增益操作，并且因此在不降低振荡器的性能的情况下， 并降低噪音。