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公开(公告)号：US10530415B2
公开(公告)日：2020-01-07
申请号：US15564675
申请日：2016-04-21
申请人： EPCOS AG
发明人： Juha Ellä , Edgar Schmidhammer , Gabriele Kolb , Ratko Jovovic
IPC分类号： H04B1/52 , H04B1/00 , H04B1/04 , H04B1/10 , H04B1/18 , H01P1/15 , H01P1/18 , H01P1/20 , H03H7/01 , H03H7/46 , H04B1/403 , H04B1/48
摘要： The invention relates to an HF circuit, for example for use in front-end circuits, having improved signal quality in carrier aggregation. According to the invention, a signal path between a duplexer and a diplexer comprises a phase shifter.
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2.发明申请Mobile Transceiver with Shared User Filter, Method for the Operation of the Mobile Transceiver and Use of a Filter 有权具有共享用户过滤器的移动收发器，移动收发器的操作方法和过滤器的使用公开(公告)号：US20160134308A1
公开(公告)日：2016-05-12
申请号：US14894275
申请日：2014-05-05
申请人： EPCOS AG
发明人： Edgar Schmidhammer
摘要： A mobile communication device includes an antenna and a transceiver circuit having a first port for transmitting first RF signals and a second port for transmitting second RF signals. The second RF signals are different than the first RF signals. A single RF filter is electrically connected between the antenna and the transceiver circuit. The RF filter has an antenna port coupled to the antenna and a transceiver port coupled to the transceiver circuit. The transceiver port of the RF filter is coupled to the first port and to the second port of the transceiver circuit.
摘要翻译： 移动通信设备包括天线和具有用于发送第一RF信号的第一端口和用于发送第二RF信号的第二端口的收发器电路。 第二RF信号与第一RF信号不同。 单个RF滤波器电连接在天线和收发器电路之间。 RF滤波器具有耦合到天线的天线端口和耦合到收发器电路的收发器端口。 RF滤波器的收发器端口耦合到收发器电路的第一端口和第二端口。
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公开(公告)号：US20170155375A1
公开(公告)日：2017-06-01
申请号：US15315374
申请日：2015-07-06
申请人： EPCOS AG
发明人： Edgar Schmidhammer
CPC分类号： H03H9/545 , H01P5/16 , H03H7/18 , H03H9/542 , H03H9/6403 , H03H9/6483 , H04L5/1461
摘要： An RF filter is disclosed. In an embodiment, the RF filter includes series-interconnected basic elements, each basic element having an electroacoustic resonator and impedance converters interconnected in series between the basic elements, wherein the impedance converters are admittance inverters, wherein the resonators of the basic elements are parallel resonators only, and wherein at least one of the resonators is tunable.
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4.发明申请公开(公告)号：US20170012651A1
公开(公告)日：2017-01-12
申请号：US15119476
申请日：2014-06-03
申请人： EPCOS AG
发明人： Juha Ellä , Edgar Schmidhammer
CPC分类号： H04B1/0057 , H03H7/1708 , H03H7/1775 , H03H7/465 , H03H2210/025 , H04B1/0064 , H04L5/1461
摘要： A front end circuit is disclosed. In an embodiment, the circuit includes a first antenna connection and first to third signal paths, each of which include a tunable filter and each of which is connected to the first antenna connection. The circuit further includes at least one phase shifter arranged in at least one of the signal paths between a respective filter and the first antenna connection and a control circuit configured to tune frequency bands of the filters, wherein the filters are operable in a FDD operating mode or a TDD operating mode, and wherein the front-end circuit is simultaneous operable in at least one transmission band and at least one reception band using all three filters and the associated signal paths.
摘要翻译： 公开了一种前端电路。 在一个实施例中，电路包括第一天线连接和第一至第三信号路径，每个信号路径包括可调谐滤波器，并且每个信号路径连接到第一天线连接。 电路还包括布置在相应滤波器和第一天线连接之间的信号路径中的至少一个信号路径中的至少一个移相器和被配置为调谐滤波器的频带的控制电路，其中滤波器可以以FDD操作模式操作 或TDD操作模式，并且其中前端电路可以使用所有三个滤波器和相关联的信号路径在至少一个传输频带和至少一个接收频带中同时工作。
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5.发明申请TUNABLE ELECTROACOUSTIC RF FILTER WITH IMPROVED ELECTRIC PROPERTIES AND METHOD FOR OPERATING SUCH A FILTER 审中-公开具有改进的电气特性的电容式电动射频滤波器和用于操作这种过滤器的方法公开(公告)号：US20160359469A1
公开(公告)日：2016-12-08
申请号：US15117390
申请日：2014-05-30
申请人： EPCOS AG
发明人： Juha Ellä , Edgar Schmidhammer
CPC分类号： H03H9/46 , H03F3/20 , H03F2200/294 , H03H7/38 , H03H9/542 , H03H9/568 , H03H9/64 , H03H9/6483 , H03H9/70 , H03H2009/02165 , H03H2210/025
摘要： The invention specifies a tunable RF filter which may operate using electroacoustic components and provides good electrical properties despite having a wide tuning range. For this purpose, the RF filter comprises a tunable filter core (AFK) having electroacoustic (EAK) and detunable (AKE) filter elements, and impedance restoration circuits (IWS1, IWS2) for compensating for an impedance change by tuning the filter core.
摘要翻译： 本发明规定了可调谐RF滤波器，其可以使用电声部件进行操作，并且尽管具有宽的调谐范围，但是其提供良好的电气特性。 为此，RF滤波器包括具有电声（EAK）和不可恢复（AKE）滤波器元件的可调谐滤波器芯（AFK）和用于通过调谐滤波器芯来补偿阻抗变化的阻抗恢复电路（IWS1，IWS2）。
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公开(公告)号：US20150222300A1
公开(公告)日：2015-08-06
申请号：US14424975
申请日：2013-07-29
申请人： EPCOS AG
发明人： Edgar Schmidhammer , Juha Ellae
CPC分类号： H04B1/0475 , H04B1/52 , H04L5/14
摘要： A duplexer having good insulation, small geometric dimensions and good decoupling of the transmit signal path from an antenna which may have poor matching is specified. To that end, the duplexer comprises two transmit filters, a receive filter and two 90° hybrids.
摘要翻译： 规定具有良好绝缘性，小几何尺寸以及发射信号路径与可能具有差匹配的天线的良好去耦的双工器。 为此，双工器包括两个发射滤波器，接收滤波器和两个90°混合器。
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7.发明申请公开(公告)号：US20170155371A1
公开(公告)日：2017-06-01
申请号：US15315372
申请日：2015-05-28
申请人： EPCOS AG
发明人： Edgar Schmidhammer
IPC分类号： H03H7/01 , H03H9/24 , H03H9/46 , H03H11/34 , H03H11/44 , H03H7/46 , H03H9/72 , H03H9/70 , H03H9/25 , H03H9/64
CPC分类号： H03H7/0115 , H03H7/463 , H03H9/0538 , H03H9/2405 , H03H9/25 , H03H9/462 , H03H9/545 , H03H9/64 , H03H9/706 , H03H9/725 , H03H11/10 , H03H11/344 , H03H11/44
摘要： A resonator circuit, a filter with improved tunability, and a duplexer with improved tunability are disclosed. In an embodiment, the resonator circuit includes a resonator, a Z transformer and an impedance circuit, wherein the impedance circuit has an impedance Z and includes an impedance element, wherein the Z transformer is interconnected between the resonator and the impedance circuit, and wherein the Z transformer transforms the impedance Z to a new impedance Z′≠Z and comprises a transformation circuit selected from: a generalized impedance converter (GIC), an negative impedance converter (NIC), a generalized impedance inverter (GII) and an negative impedance inverter (NII).
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公开(公告)号：US20170141757A1
公开(公告)日：2017-05-18
申请号：US15316145
申请日：2015-08-11
申请人： EPCOS AG
发明人： Edgar Schmidhammer
CPC分类号： H03H9/64 , H03H7/38 , H03H9/542 , H03H9/568 , H03H9/605 , H03H9/6483 , H03H9/706 , H03H9/725 , H03H2009/02165
摘要： An RF filter is disclosed. In an embodiment, the RF filter includes series-interconnected basic elements, each basic element having an electroacoustic resonator and impedance converters interconnected in series between the basic elements, wherein the impedance converters are impedance inverters and/or admittance inverters, and wherein the resonators of the basic elements are either only series resonators or only parallel resonators.
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公开(公告)号：US09571133B2
公开(公告)日：2017-02-14
申请号：US14424975
申请日：2013-07-29
申请人： EPCOS AG
发明人： Edgar Schmidhammer , Juha Ellae
CPC分类号： H04B1/0475 , H04B1/52 , H04L5/14
摘要： A duplexer having good insulation, small geometric dimensions and good decoupling of the transmit signal path from an antenna which may have poor matching is specified. To that end, the duplexer comprises two transmit filters, a receive filter and two 90° hybrids.
摘要翻译： 规定具有良好绝缘性，小几何尺寸以及发射信号路径与可能具有差匹配的天线的良好去耦的双工器。 为此，双工器包括两个发射滤波器，接收滤波器和两个90°混合器。
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公开(公告)号：US20170040966A1
公开(公告)日：2017-02-09
申请号：US15116073
申请日：2014-06-05
申请人： Epcos AG
发明人： Juha Ellä , Edgar Schmidhammer
CPC分类号： H03H7/0115 , H03F1/56 , H03F3/189 , H03F3/20 , H03F2200/171 , H03F2200/294 , H03F2200/387 , H03F2200/451 , H03H7/0123 , H03H7/0161 , H03H7/09 , H03H7/1708 , H03H7/1775 , H03H7/38 , H03H7/40 , H03H7/463 , H03H9/542 , H04B1/40
摘要： What is specified is a combined impedance matching and RF filter circuit having improved impedance matching in conjunction with good frequency-tunability of the filter circuit. The circuit comprises a reactance elimination circuit for reducing the reactance and a tunable RF filter circuit, which is frequency-tunable and can carry out a resistance matching.
摘要翻译： 指定的是具有改进的阻抗匹配以及滤波器电路的良好频率可调性的组合阻抗匹配和RF滤波器电路。 该电路包括用于降低电抗的电抗消除电路和可调频RF滤波器电路，其是可频率可调谐的并且可以执行电阻匹配。
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