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公开(公告)号：US12113496B2
公开(公告)日：2024-10-08
申请号：US17621781
申请日：2019-06-24
Applicant: Telefonaktiebolaget LM Ericsson (publ)
Inventor： Mingquan Bao
CPC classification number: H03F3/607 , H03F1/18 , H03F1/565 , H03F3/245 , H03F2200/423
Abstract: A power amplifier has a number n of power cells Ai, a number n of output transmission lines TL1i for combining output powers from the power cells, and a number n of impedance transformation network ITNi, where i=1, . . . n. The number n of output transmission lines are connected in series. The output terminal of each power cells is connected to its output transmission line via its impedance transformation network. Each impedance transformation network is an upward impedance transformation network for transforming an output impedance of each power cell at the input terminal of the impedance transformation network into a higher impedance at the output terminal of the impedance transformation network. A number n of input transmission lines TL0i (i=1, 2 . . . n)=connected in series. The input terminal of the i-th power cell is connected to the second terminal of the i-th transmission line via a capacitor, where i=1, . . . n.
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公开(公告)号：US11791856B2
公开(公告)日：2023-10-17
申请号：US17945226
申请日：2022-09-15
Applicant: Apple Inc.
Inventor： Sang Hyun Woo , Florian Mrugalla
CPC classification number: H04B1/18 , H03F1/18 , H03F3/24 , H04B1/40 , H03F2200/294 , H03F2200/451
Abstract: An electronic device may include wireless circuitry with a baseband processor, a transceiver, and an antenna. The transceiver may include a mixer that outputs signals to a transimpedance amplifier. The mixer has an output impedance that varies depending on the frequency of operation. An adjustable resistance can be coupled to the input of the transimpedance amplifier. A control circuit can tune the adjustable resistance to compensate for changes in the output impedance of the mixer as the transceiver operates across a wide range of frequencies.
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公开(公告)号：US10056870B1
公开(公告)日：2018-08-21
申请号：US15466112
申请日：2017-03-22
Applicant: MACOM Technology Solutions Holdings, Inc.
Inventor： Kohei Fujii
CPC classification number: H03F3/265 , H03F1/18 , H03F3/195 , H03F3/213 , H03F3/45179 , H03F3/607 , H03F2200/06 , H03F2200/09 , H03F2200/451 , H03F2203/45172 , H03F2203/45228
Abstract: An apparatus includes an input transformer, an amplifier and an output transformer. The input transformer may be on a substrate and configured to convert an input signal into a differential input signal. The input signal may be a radio-frequency signal. The amplifier may be on the substrate and configured to generate a differential output signal in response to the differential input signal. The amplifier may be a balanced and distributed amplifier. The output transformer may be on the substrate and configured to convert the differential output signal into an output signal. Each of the input transformer and the output transformer may be a three line coupled balun transformer with a variable bandpass bandwidth.
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公开(公告)号：US20170179885A1
公开(公告)日：2017-06-22
申请号：US14976427
申请日：2015-12-21
Applicant: Raytheon Company
Inventor： David R. Fletcher , David D. Heston
CPC classification number: H03F1/0205 , H01L23/66 , H01L24/48 , H01L24/49 , H01L2223/6611 , H01L2223/665 , H01L2224/48227 , H01L2224/49111 , H01L2924/00014 , H01L2924/1423 , H01L2924/19105 , H01L2924/19107 , H03F1/0261 , H03F1/18 , H03F1/565 , H03F3/193 , H03F3/195 , H03F3/607 , H03F2200/108 , H03F2200/451 , H03F2200/555 , H01L2224/45099 , H01L2224/05599
Abstract: Off-chip distributed drain biasing increases output power and efficiency for high power distributed amplifier MMICs. An off-chip bias circuit has a common input for receiving DC bias current and a plurality of parallel-connected bias chokes among which the DC bias current is divided. The chokes are connected to a like plurality of drain terminals at different FET amplifier stages to supply DC bias current at different locations along the output transmission line. Off-chip distributed drain biasing increases the level of DC bias current that can be made available to the amplifier and add inductances to selected FET amplifier stages, typically the earlier stages, to modify the load impedance seen at the drain terminal to better match the amplifier stages to improve power and efficiency.
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公开(公告)号：US08878604B2
公开(公告)日：2014-11-04
申请号：US13643978
申请日：2011-03-28
Applicant: Takashi Ohira , Kazuyuki Wada , Mitsutoshi Nakata , Kazushi Sawada , Satoshi Hatsukawa , Nobuo Shiga , Kazuhiro Fujikawa
Inventor： Takashi Ohira , Kazuyuki Wada , Mitsutoshi Nakata , Kazushi Sawada , Satoshi Hatsukawa , Nobuo Shiga , Kazuhiro Fujikawa
IPC: H03F3/38
CPC classification number: H03F1/0227 , H01L23/645 , H01L23/66 , H01L2223/6644 , H01L2224/48227 , H01L2924/13091 , H02M2003/1586 , H03F1/18 , H03F3/217 , H03F3/2176 , H03F3/2178 , H03F3/607 , H03F2200/102 , H03F2200/351 , H03F2200/366 , Y10T307/747 , H01L2924/00
Abstract: A switching circuit according to one embodiment has: N switching elements; a connection circuit including N−1 first inductance elements that are connected in series; a second inductance element; and N third inductance elements. Control terminals of the N switching elements are connected to ends of the connection circuit and connection contacts, respectively. One end of the second inductance element is connected to a power supply. The N third inductance elements electrically connects one ends of the N switching elements and the other end of the second inductance element with each other, respectively.
Abstract translation: 根据一个实施例的开关电路具有：N个开关元件; 包括串联连接的N-1个第一电感元件的连接电路; 第二电感元件; 和N个第三电感元件。 N个开关元件的控制端子分别连接到连接电路和连接触点的端部。 第二电感元件的一端连接到电源。 N个第三电感元件分别将N个开关元件的一端和第二电感元件的另一端彼此电连接。
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Patent Agency Ranking
公开(公告)号：US20130049862A1
公开(公告)日：2013-02-28
申请号：US13643978
申请日：2011-03-28
Applicant: Takashi Ohira , Kazuyuki Wada , Mitsutoshi Nakata , Kazushi Sawada , Satoshi Hatsukawa , Nobuo Shiga , Kazuhiro Fujikawa
Inventor： Takashi Ohira , Kazuyuki Wada , Mitsutoshi Nakata , Kazushi Sawada , Satoshi Hatsukawa , Nobuo Shiga , Kazuhiro Fujikawa
CPC classification number: H03F1/0227 , H01L23/645 , H01L23/66 , H01L2223/6644 , H01L2224/48227 , H01L2924/13091 , H02M2003/1586 , H03F1/18 , H03F3/217 , H03F3/2176 , H03F3/2178 , H03F3/607 , H03F2200/102 , H03F2200/351 , H03F2200/366 , Y10T307/747 , H01L2924/00
Abstract: A switching circuit according to one embodiment has: N switching elements; a connection circuit including N−1 first inductance elements that are connected in series; a second inductance element; and N third inductance elements. Control terminals of the N switching elements are connected to ends of the connection circuit and connection contacts, respectively. One end of the second inductance element is connected to a power supply. The N third inductance elements electrically connects one ends of the N switching elements and the other end of the second inductance element with each other, respectively.
Abstract translation: 根据一个实施例的开关电路具有：N个开关元件; 包括串联连接的N-1个第一电感元件的连接电路; 第二电感元件; 和N个第三电感元件。 N个开关元件的控制端子分别连接到连接电路和连接触点的端部。 第二电感元件的一端连接到电源。 N个第三电感元件分别将N个开关元件的一端和第二电感元件的另一端彼此电连接。
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7.发明授权公开(公告)号：US06768381B2
公开(公告)日：2004-07-27
申请号：US09817216
申请日：2001-03-27
Applicant: Yasuhiko Kuriyama
Inventor： Yasuhiko Kuriyama
IPC: H03F368
Abstract: There are disclosed a semiconductor power amplifier and a microwave monolithic integrated circuit which can be reduced in size and cost and which can sufficiently inhibit loop oscillation. The semiconductor power amplifier of the present invention comprises first and second transistors connected in parallel, a capacitor element connected between a signal input terminal and a base terminal of the first transistor, a capacitor element connected between the signal input terminal and a base terminal of the second transistor, and a resistance element connected between the respective base terminals of the first and second transistors. Since the capacitor element and resistance element are disposed, a loop oscillation signal can sufficiently be attenuated on a loop oscillation path. Moreover, in the present embodiment, since miniaturization is possible, MMIC can easily be constituted.
Abstract translation: 公开了半导体功率放大器和微波单片集成电路，其可以减小尺寸和成本，并且可以充分地抑制环路振荡。 本发明的半导体功率放大器包括并联连接的第一和第二晶体管，连接在第一晶体管的信号输入端子和基极端子之间的电容器元件，连接在信号输入端子与基极端子之间的电容器元件 第二晶体管和连接在第一和第二晶体管的各个基极之间的电阻元件。 由于设置了电容器元件和电阻元件，所以环路振荡信号可以在环路振荡路径上充分衰减。 此外，在本实施例中，由于可以小型化，因此可以容易地构成MMIC。
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公开(公告)号：US06762653B2
公开(公告)日：2004-07-13
申请号：US10228893
申请日：2002-08-27
Applicant: Michael Adlerstein , James W. McClymonds
Inventor： Michael Adlerstein , James W. McClymonds
IPC: H01P512
Abstract: An amplifier is provided having an electrically conductive structure. The structure has a waveguide network disposed in an inner region thereof. The network has an input section and an output section. The conductive structure has an amplifier input port and amplifier output port formed in outer wall portions of such structure. The network also includes a plurality of amplifier module input ports disposed in an outer surface of the structure. The amplifier input ports are coupled to the amplifier port through the input section of the network. The network further includes a plurality of amplifier module output ports disposed in said outer surface of the structure. The amplifier module output ports are coupled to the amplifier output port through the output section of the network. Each one of the amplifier module output ports is associated with one of the plurality of amplifier module input ports. The amplifier includes a plurality of amplifier modules. Each one of the amplifier modules has an input and an output. The input each amplifier module is coupled to a corresponding one of the amplifier input ports and the output of such module is coupled to the amplifier output port of the one of the amplifier output ports associated with such one of the amplifier input ports.
Abstract translation: 提供具有导电结构的放大器。 该结构具有布置在其内部区域中的波导网络。 网络有一个输入部分和一个输出部分。 导电结构具有形成在这种结构的外壁部分的放大器输入端口和放大器输出端口。 网络还包括设置在结构的外表面中的多个放大器模块输入端口。 放大器输入端口通过网络的输入部分耦合到放大器端口。 网络还包括设置在结构的所述外表面中的多个放大器模块输出端口。 放大器模块输出端口通过网络的输出部分耦合到放大器输出端口。 每个放大器模块输出端口与多个放大器模块输入端口中的一个相关联。 放大器包括多个放大器模块。 每个放大器模块都有一个输入和一个输出。 输入每个放大器模块耦合到相应的一个放大器输入端口，并且这种模块的输出端耦合到与放大器输入端口之一相关的放大器输出端口之一的放大器输出端口。
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9.发明申请公开(公告)号：US20040027202A1
公开(公告)日：2004-02-12
申请号：US10351602
申请日：2003-01-24
Inventor： Jerry Orr , Tim Bagwell
IPC: H03F003/60
CPC classification number: H03F3/605 , H03F1/18 , H03F3/602 , H03F3/604 , H03F3/607 , H03F2200/36 , H03F2200/451
Abstract: A distributed and adjustable level-shifiting netwrok is intergrated with cascaded amplifiers, eliminating the need for a direct current (dc) blocking capacitor between the amplifiers. The level-shifting network can be adjucted to compensate for process variations and to balcane the crossover firequency response of the cascaded amplifiers.
Abstract translation: 分布式和可调节的电平移位网络与级联放大器集成，消除了在放大器之间需要直流（DC）阻塞电容器。 电平移动网络可以被排除以补偿过程变化并且平衡级联放大器的交叉响应。
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公开(公告)号：US4754234A
公开(公告)日：1988-06-28
申请号：US18563
申请日：1987-02-25
Applicant: Patrice Gamand
Inventor： Patrice Gamand
Abstract: A broadband distributed amplifier comprised of a plurality of field effect transistors whose gates are connected to junctions between serially-connected inductors forming a gate transmission line, whose drains are connected to junctions between serially-connected inductors forming a drain transmission line, and whose sources are connected to ground. The distribution of the amplifier stages along the gate and drain transmission lines is effected such that these transmission lines are periodically loaded by their own impedances and by the transistor gate and drain capacitances, thus forming artificial lines, and such that a microwave frequency input signal applied to the input of the gate transmission line effects the production of an amplified microwave frequency output signal at the output of the drain transmission line. The gate and drain transmission line output and input, respectively, are terminated by loads. The drain transmission line input only includes biasing means, whereas the gate transmission line output includes means for compensating for the characteristic impedance variations of the artificial line as a function of the frequency.
Abstract translation: 一种宽带分布放大器，包括多个场效应晶体管，其栅极连接到形成栅极传输线的串联电感器之间的结，其漏极连接到形成漏极传输线的串联连接的电感器之间的接点，源极为 连接到地面。 沿着栅极和漏极传输线的放大器级的分布是这样实现的，使得这些传输线由它们自己的阻抗和晶体管栅极和漏极电容周期性地加载，从而形成人造线，并且使得施加的微波频率输入信号 对于栅极传输线的输入，在漏极传输线的输出处产生放大的微波频率输出信号。 栅极和漏极传输线输出和输入分别由负载终止。 漏极传输线输入仅包括偏置装置，而栅极传输线输出包括用于补偿作为频率的函数的人造线的特性阻抗变化的装置。
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