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公开(公告)号：US11601090B1
公开(公告)日：2023-03-07
申请号：US17463057
申请日：2021-08-31
Applicant: Intrinsix Corp.
Inventor： Kathiravan Krishnamurthi
Abstract: This frequency tripler system uses a cascade of integrated transistor circuit differential limiting amplifiers and tunable notch filters that can directly serve one or more outputs, such as a direct clock or local oscillator drive. With this topology, filtering is distributed between two or more stages of differential limiting amplifiers and tunable notch filters. This enables suppression of smaller fundamental tone by the differential limiting amplifiers along with the tunable notch filters and yields a strong third harmonic signal to directly drive high performance mixers and digital-to-analog converters.
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公开(公告)号：US20230067543A1
公开(公告)日：2023-03-02
申请号：US17463057
申请日：2021-08-31
Applicant: Intrinsix Corp.
Inventor： Kathiravan Krishnamurthi
Abstract: This frequency tripler system uses a cascade of integrated transistor circuit differential limiting amplifiers and tunable notch filters that can directly serve one or more outputs, such as a direct clock or local oscillator drive. With this topology, filtering is distributed between two or more stages of differential limiting amplifiers and tunable notch filters. This enables suppression of smaller fundamental tone by the differential limiting amplifiers along with the tunable notch filters and yields a strong third harmonic signal to directly drive high performance mixers and digital-to-analog converters.
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公开(公告)号：US20090295491A1
公开(公告)日：2009-12-03
申请号：US12127527
申请日：2008-05-27
Applicant: Chun-Liang Tsai , Shao-Chang Chang
Inventor： Chun-Liang Tsai , Shao-Chang Chang
CPC classification number: H04L27/0002 , H03B5/1215 , H03B5/1228 , H03B5/1243 , H03B5/1265 , H04B1/0458
Abstract: A carrier generator for generating a carrier at a frequency of interest in a wireless communications system comprises an oscillator exhibiting a first impedance, the oscillator comprising an energy storage tank configured to generate a periodic signal, the energy storage tank including at least one inductor and at least one capacitor, and an amplifier coupled with the energy storage tank, the amplifier being configured to amplify an amplitude of the periodic signal, an antenna exhibiting a second impedance smaller than the first impedance, and a network coupled between the oscillator and the antenna, the network including at least one inductor or at least one capacitor and being configured to provide a third impedance such that a resultant impedance of the second impedance and the third impedance as viewed from the oscillator toward the antenna is large enough to facilitate the oscillator to generate the carrier at the frequency of interest.
Abstract translation: 一种用于在无线通信系统中产生感兴趣频率的载波的载波发生器包括呈现第一阻抗的振荡器，所述振荡器包括被配置为产生周期性信号的能量存储箱，所述能量存储箱包括至少一个电感器并且在 至少一个电容器和与能量存储箱耦合的放大器，所述放大器被配置为放大所述周期性信号的幅度，呈现小于所述第一阻抗的第二阻抗的天线，以及耦合在所述振荡器和所述天线之间的网络， 所述网络包括至少一个电感器或至少一个电容器，并且被配置为提供第三阻抗，使得从振荡器朝向天线观察的第二阻抗和第三阻抗的合成阻抗足够大以便于振荡器产生 承运人的兴趣频率。
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公开(公告)号：US20050184818A1
公开(公告)日：2005-08-25
申请号：US11046542
申请日：2005-01-28
Applicant: Masayoshi Aikawa , Takayuki Tanaka , Fumio Asamura , Takeo Oita
Inventor： Masayoshi Aikawa , Takayuki Tanaka , Fumio Asamura , Takeo Oita
CPC classification number: H03B5/1894
Abstract: A second-harmonic oscillator based on push-push oscillation has a pair of amplifiers for oscillation, a high frequency transmission line for connecting inputs of the pair of amplifiers to each other and connecting outputs of the pair of amplifiers to each other, and an electromagnetic coupling member disposed between the inputs and outputs of the pair of amplifiers such that it is electromagnetically coupled to the high frequency transmission line. The electromagnetic coupling member includes at least a dielectric resonator. The pair of amplifiers, high frequency transmission line, and electromagnetic coupling member form two oscillation loops which oscillate in opposite phases to each other with respect to a fundamental wave of oscillation for generating a second harmonic of the fundamental wave.
Abstract translation: 基于推挽振荡的二次谐波振荡器具有用于振荡的一对放大器，用于将一对放大器的输入彼此连接并将一对放大器的输出彼此连接的高频传输线，以及电磁 耦合构件设置在所述一对放大器的输入和输出之间，使得其与高频传输线电磁耦合。 电磁耦合构件至少包括介质谐振器。 一对放大器，高频传输线和电磁耦合构件形成两个振荡回路，其相对于用于产生基波的二次谐波的基波振荡彼此相反地振荡。
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公开(公告)号：US20050099248A1
公开(公告)日：2005-05-12
申请号：US10473280
申请日：2002-03-26
Applicant: Sergey Borisovich Maltsev , Daniil Korneev
Inventor： Sergey Borisovich Maltsev , Daniil Korneev
CPC classification number: H03B19/18
Abstract: The invention can be used for telecommunications, measuring and other devices in order to produce stable superhigh frequency signals. An IMPATT diode (4) operating in the cascade break-down mode and having a sharp nonlinearity transforms an input signal in such a way that ultraharmonics which multiple in respect to the frequency of an input signal ω0 occur in a frequency spectrum. An output stage of a multiplier is used in order to separate an output nω0 frequency and to suppress adjacent frequencies. In order to tune the output stage to the nω0 frequency, a tuning plug (8) and short-circuiting pistons (13) are used. The tuning plug (8) is arranged above an upper electrod of the IMPATT diode (4) (inside the axis of the diode). The tuning plugs (13) make it possible to tune resonance capacitance to the nω0 frequency and remove energy towards the output part of a T-bend in which a wave guide pass-band filter (15) is disposed. Said filter (15) is embodied in the form of sections of a waveguide (14) on whose E-plane a thin metallic diaphragm is arranged, said diaphragm being provided with windows (16) disposed along the axis of the waveguide. The inventive multiplier ensures high converting efficiency.
Abstract translation: 本发明可用于电信，测量和其他设备，以产生稳定的超高频信号。 以级联分解模式操作并且具有尖锐非线性的IMPATT二极管（4）以这样的方式转换输入信号，使得相对于输入信号的频率Ω= 0的多个的超谐波发生 在频谱中。 使用乘法器的输出级以分离输出nomega 0 频率并抑制相邻频率。 为了将输出级调谐到nomega 0 频率，使用调谐插头（8）和短路活塞（13）。 调谐插头（8）布置在IMPATT二极管（4）的上电极（二极管的轴线内）的上方。 调谐插头（13）使得可以将谐振电容调谐到nomega 0频率，并将能量消耗到T波导的输出部分，其中波导通带滤波器（15）是 处置。 所述过滤器（15）以波导管（14）的部分的形式实现，其E平面上设置有薄的金属隔膜，所述隔膜设置有沿着波导轴设置的窗口（16）。 本发明的乘法器确保了高转换效率。
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Patent Agency Ranking
公开(公告)号：US5886595A
公开(公告)日：1999-03-23
申请号：US845074
申请日：1997-04-21
Applicant: Ofira M. Von Stein
Inventor： Ofira M. Von Stein
CPC classification number: H03B19/14
Abstract: An odd order MESFET frequency multiplier which outputs a desired odd harmonic of a fundamental tone. The frequency multiplier includes a multiplier stage with a MESFET having a harmonic response dependent upon a plurality of bias conditions and the input RF power level. The MESFET includes a drain port coupled to an output matching network sized and configured for a predetermined load at a selected output frequency. The output matching network includes RF shorts for reflecting energy to the MESFET from a plurality of undesired even harmonics. Coupled to the output matching circuit is a bandpass filter sized and configured for the predetermined load. The bandpass filter includes RF shorts for reflecting energy to the MESFET from a plurality of undesired odd harmonics, wherein the reflected energy from the undesired even harmonics and the undesired odd harmonics are combined at the MESFET to provide additional energy at the desired odd harmonic.
Abstract translation: 奇数阶MESFET倍频器，输出基音的期望奇次谐波。 倍频器包括具有取决于多个偏置条件和输入RF功率电平的具有谐波响应的MESFET的乘法器级。 MESFET包括耦合到输出匹配网络的漏极端口，其大小和配置为在所选择的输出频率处的预定负载。 输出匹配网络包括用于从多个不期望的偶次谐波向MESFET反射能量的RF短路。 耦合到输出匹配电路的是带通滤波器，其尺寸和构造用于预定的负载。 带通滤波器包括用于从多个不期望的奇次谐波向MESFET反射能量的RF短路，其中来自不期望的偶次谐波的反射能量和不需要的奇次谐波在MESFET处组合以在期望的奇次谐波处提供额外的能量。
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公开(公告)号：US5517687A
公开(公告)日：1996-05-14
申请号：US194199
申请日：1994-02-09
Applicant: Edward C. Niehenke , Marvin Cohn , Peter A. Stenger
Inventor： Edward C. Niehenke , Marvin Cohn , Peter A. Stenger
CPC classification number: H03D9/0633 , H04B1/26 , H03B19/18 , H03D2200/0023 , H03D2200/0082 , H03D7/1408 , H03D7/18
Abstract: A subharmonic image rejection and image enhancement mixer for mixing millimeter wavelength signals using a low conversion loss technique is described. A local oscillator frequency from an external source is fed to a first subharmonic mixer and through a phase shifter to a second subharmonic mixer. The phase shifter delays the local oscillator signal by (90.degree./n), where n is the multiple of the subharmonic mixers and is greater than 1. The first and second subharmonic mixers mix the local oscillator frequency with an input signal, which includes a desired frequency and an image frequency, to produce an intermediate frequency having a desired component and an image component at a select phase. A 0.degree.-90.degree. hybrid separates and terminates the image component of the intermediate frequency. The input port that feeds the input signal to each subharmonic mixer is dimensioned so as to provide a virtual image short termination or an image short termination to a self-generated image signal from each subharmonic mixer, thereby decreasing the conversion loss of the frequency mixer.
Abstract translation: 描述了使用低转换损耗技术混合毫米波长信号的次谐波图像抑制和图像增强混频器。 来自外部源的本地振荡器频率被馈送到第一次谐波混频器并且通过移相器馈送到第二次谐波混频器。 移相器将本地振荡器信号延迟（90°/ n），其中n是次谐波混频器的倍数，大于1.第一和第二次谐波混频器将本地振荡器频率与输入信号混合，其中包括 期望频率和图像频率，以在选择阶段产生具有期望分量和图像分量的中频。 0°-90°混合分离并终止中频图像分量。 将输入信号馈送到每个次谐波混频器的输入端口的尺寸被设计为从每个次谐波混频器向自生成的图像信号提供虚拟图像短终端或图像短终端，从而降低了混频器的转换损耗。
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公开(公告)号：US5422594A
公开(公告)日：1995-06-06
申请号：US56047
申请日：1993-04-30
Applicant: Jyh-Wai Liao , Hen-Wai Tsao , Lingshown Wu
Inventor： Jyh-Wai Liao , Hen-Wai Tsao , Lingshown Wu
Abstract: A multi-channel carrier wave generator includes a signal source capable of generating a carrier wave having a frequency, a first input-match diode circuit receiving the carrier wave to correspondingly generate a plurality of harmonic waves, a first multi-way power divider electrically connected to the first input-match diode circuit to equally divide the harmonic waves, and a first multi-way filter electrically connected to the first multiple power divider to filter through the harmonic waves. Such a multi-channel carrier wave generator has the advantages of having a simple fabrication procedure, a low cost, and a low phase noise, and capable of providing a stable carrier wave and a good filtering result and of using a lower order bandpass filter.
Abstract translation: 多通道载波发生器包括能够产生具有频率的载波的信号源，接收载波的第一输入匹配二极管电路以对应地产生多个谐波;第一多路功率分配器，电连接 耦合到第一输入匹配二极管电路以均衡谐波;以及第一多路滤波器，电连接到第一多功率分配器以通过谐波滤波。 这种多通道载波发生器具有简单的制造步骤，低成本和低相位噪声的优点，并且能够提供稳定的载波和良好的滤波结果以及使用低阶带通滤波器。
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公开(公告)号：US5077546A
公开(公告)日：1991-12-31
申请号：US610108
申请日：1990-11-07
Applicant: Ralph W. Carfi , Alexander Chico , Victor J. Jacek , Joseph S. Calvitto
Inventor： Ralph W. Carfi , Alexander Chico , Victor J. Jacek , Joseph S. Calvitto
IPC: H03B19/18
CPC classification number: H03B19/18
Abstract: A low phase noise frequency multiplier is disclosed for multiplying a sine wave obtained from a low phase noise crystal oscillator to higher frequencies than can be directly obtained from a crystal oscillator. The multiplication occurs without the ordinary increase in phase noise. The multiplier, when tripling the frequency contains a low phase noise frequency doubler. The double and triple frequency terms in the tripler are synthesized from two orthogonally related derivatives of the same wave, which are then multiplied in a double balanced mixer. The process reinforces the desired harmonics while not reinforcing the short term random phase noise, and produces a substantial improvement in the single sideband phase noise ratio over conventional frequency multipliers.
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10.发明授权Waveguide excited enhancement and inherent rejection of interference in a subharmonic mixer 失效波导激发增强和在次谐波混频器中固有的干扰抑制
公开(公告)号：US4955079A
公开(公告)日：1990-09-04
申请号：US414340
申请日：1989-09-29
Applicant: William R. Connerney , Mark E. Raposo , Winslow G. Round , Raymond T. Pavio
Inventor： William R. Connerney , Mark E. Raposo , Winslow G. Round , Raymond T. Pavio
CPC classification number: H03D9/0641 , H03B19/18 , H03D2200/0017 , H03D2200/0023 , H03D2200/0082 , H03D7/1408 , H03D9/0633
Abstract: A subharmonic mixer is shown to comprise two pairs of matched antiparallel GaAs diodes disposed on a dielectric slab and operative with microstrip circuitry. By suppressing the fundamental mixing products, mixing the radio frequency signal with the second harmonic of a local oscillator (LO) signal and using relative phase differences of the LO signals in the two pairs of diodes, undesirable effects from spurious signals are minimized.
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