公开(公告)号：EP1891734B1

公开(公告)日：2009-02-04

申请号：EP05754785.3

申请日：2005-06-17

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： BERGLUND, Bo ,  SKÄRBY, Ulf

IPC: H03H7/46 ,  H01P1/213 ,  H04B1/04 ,  H04B1/50

CPC classification number: H04B1/48 ,  H04B1/50

Abstract: A filter arrangement (EFM) comprises a first terminal (T1) arranged for handling duplex radio antenna feeder signals for at least two transceiver modules (10, 20), a second terminal (T2) arranged for handling at least duplex signals for a first transceiver module (10), a third terminal (T3) arranged for outputting a first multi carrier power amplifier system input signal, said input signal representing a transmit signal from said first transceiver module (10), a fourth terminal (T4) arranged for receiving a multi carrier power amplifier system output signal, said output signal comprising an amplified representation of the transmit signals from said at least two transceiver modules, and wherein said first and said second terminal (T1, T2) are connected via first single filter means (RX), said second and said third terminal (T2, T3) are connected via second single filter means (TX1), said fourth and said first terminal (T4, T1) are connected via third single filter means (TX2).

公开(公告)号：EP1596505A4

公开(公告)日：2008-07-30

申请号：EP04710991

申请日：2004-02-13

Applicant: HITACHI METALS LTD

Inventor： KEMMOCHI SHIGERU ,  WATANABE MITSUHIRO ,  TAI HIROYUKI

IPC: H04B1/40 ,  H04B1/44 ,  H04B1/48

CPC classification number: H04B1/006 ,  H04B1/005 ,  H04B1/406 ,  H04B1/48

Abstract: A switch circuit, which selectively connects an antenna side circuit to the receiver circuit or transmitter circuit of one of two communication systems, comprises first and second switch parts including two switching elements. The first switch part has a first inductance element located between a port for connection to the antenna side circuit and a port for connection to the second switch part. The second switch part has a second inductance element located between a port for connection to the first switch part and a port for connection to the receiver circuit of the first communication system. The characteristic impedance of the transmission line forming the first inductance element is lower than that of the transmission line forming the second inductance element.

公开(公告)号：EP1772964B1

公开(公告)日：2008-05-28

申请号：EP06251081.3

申请日：2006-02-28

Applicant: Fujitsu Ltd.

Inventor： Inoue, Yusuke, c/o Fujitsu Limited

IPC: H03K17/60 ,  H03K17/62 ,  H03K17/693 ,  H03K17/76 ,  H04B1/48 ,  H01P1/15 ,  H01P5/10

CPC classification number: H04B1/48 ,  H01P1/15 ,  H03K17/602 ,  H03K17/6271 ,  H03K17/693 ,  H03K17/76 ,  Y10T307/76

公开(公告)号：EP1909390A2

公开(公告)日：2008-04-09

申请号：EP07123993.3

申请日：1997-09-24

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD

Inventor： Hiraka, Masahiro ,  Katsumura, Hidenori ,  Saito, Ryuichi ,  Kushitani, Hiroshi ,  Yuda, Naoki ,  Hurukawa, Shigeo ,  Kimura, Suzushi

IPC: H03H7/46 ,  H01P1/213 ,  H04B1/44

CPC classification number: H04B1/52 ,  H01P1/2135 ,  H03H7/46 ,  H03H7/461 ,  H03H2007/386 ,  H04B1/005 ,  H04B1/406 ,  H04B1/48

Abstract: A diplexer employed in communications equipment (such as mobile phones) can divide signals into two channels with a simple configuration without interference. In this diplexer, an inductor is connected between a π-type three-stage one polar low-pass filter and a common terminal as a first matching circuit, and a capacitor is connected between a one polar band-pass filter and a common terminal as a second matching circuit. Two layers of a high-dielectric layer (2a,b,c) and low-dielectric layer (1a,b,c,d) are laminated, said band-pass filter and said second matching circuit are formed in said high-dielectric layer, and said low-pass filter and said first matching circuit are formed in said low-dielectric layer. In this manner, interference can be prevented and the higher harmonics can be attenuated.

Abstract translation: 通信设备（如手机）中使用的双工器可以通过简单的配置将信号分成两个信道，而不会有干扰。 在这种双工器中，电感器连接在三相一极极低通滤波器和公共端之间作为第一匹配电路，电容器连接在一个极性带通滤波器和公共端之间，作为 第二匹配电路。 层叠高介电层（2a，b，c）和低介电层（1a，b，c，d）的两层，所述带通滤波器和所述第二匹配电路形成在所述高介电层 并且所述低通滤波器和所述第一匹配电路形成在所述低介电层中。 以这种方式，可以防止干扰并且可以衰减高次谐波。

公开(公告)号：EP1381258A4

公开(公告)日：2007-11-21

申请号：EP02713202

申请日：2002-03-27

Applicant: TDK CORP

Inventor： NAKAI SHINYA ,  YAMASHITA YOSHINARI ,  NINOMIYA HIDEAKI

IPC: H05K1/14 ,  H01L23/13 ,  H01L23/498 ,  H01L23/552 ,  H01L23/66 ,  H01L25/00 ,  H03B5/18 ,  H03H9/72 ,  H04B1/38 ,  H04B1/40 ,  H04B1/48 ,  H05K1/02 ,  H05K1/03 ,  H05K1/18 ,  H05K3/46

CPC classification number: H05K1/142 ,  H01L23/13 ,  H01L23/49805 ,  H01L23/49822 ,  H01L23/49894 ,  H01L23/552 ,  H01L23/66 ,  H01L24/48 ,  H01L25/162 ,  H01L2224/05599 ,  H01L2224/16 ,  H01L2224/16225 ,  H01L2224/45099 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2224/85399 ,  H01L2924/00014 ,  H01L2924/01079 ,  H01L2924/1423 ,  H01L2924/15153 ,  H01L2924/1517 ,  H01L2924/15313 ,  H01L2924/16152 ,  H01L2924/16195 ,  H01L2924/181 ,  H01L2924/19041 ,  H01L2924/19105 ,  H01L2924/30107 ,  H01L2924/3011 ,  H01L2924/3025 ,  H03H9/0542 ,  H03H9/0557 ,  H04B1/406 ,  H04B1/48 ,  H05K1/0237 ,  H05K1/0306 ,  H05K1/0313 ,  H05K1/141 ,  H05K1/183 ,  H05K3/4614 ,  H05K3/4697 ,  H01L2924/00012 ,  H01L2224/45015 ,  H01L2924/207

Abstract: A high-frequency module the production yield of which is prevented from degrading as a whole. The high-frequency module comprises a main module having a first high-frequency circuit at least part of which is composed of a conductive pattern built in a multilayer board and a submodule having a second high-frequency circuit and mounted in a cavity defined in the main module. According to the inventions, the main module having the first high-frequency circuit and the submodule having the second high-frequency circuit are constituted separately as discrete components, and the submodule is placed in the cavity in the main module and integrated with the main module. Therefore, even if the main module or the submodule is judged as a defective component, the other ascertained as an acceptable one by inspection after their production can be used. Therefore overall the production yield of the high-frequency module is drastically improved.

公开(公告)号：EP1838006A1

公开(公告)日：2007-09-26

申请号：EP06782798.0

申请日：2006-08-17

Applicant: MURATA MANUFACTURING CO., LTD.

Inventor： UEJIMA, Takanori ,  NAKAYAMA, Naoki

IPC: H04B1/40 ,  H04B1/44

CPC classification number: H04B1/48 ,  H04B1/0057

Abstract: To obtain a high-frequency switch that allows quick switching from a transmission mode to a reception mode.
A high-frequency switch (11) is formed by connecting a first diode (D1) and a second diode (D2) that serve as switching elements, inductors (SL1) and (SL2), capacitors (C5) and (C6), and resistors (R) and (RA). One end of the resistor (RA) is connected between the first diode (D1) and the second diode (D2), and the other end of the resistor (RA) is connected to the ground. Thus, charges accumulated in the diodes (D1) and (D2) in the ON states are immediately released to ground via the resistor. Accordingly, quick switching from the transmission mode to the reception mode by switching of a control power supply terminal (Vc) from ON to OFF is achieved.

Abstract translation: 获得允许从传输模式快速切换到接收模式的高频开关。 通过连接作为开关元件，电感器（SL1）和（SL2），电容器（C5）和（C6）的第一二极管（D1）和第二二极管（D2）形成高频开关（11），以及 电阻（R）和（RA）。 电阻器（RA）的一端连接在第一二极管（D1）和第二二极管（D2）之间，电阻器（RA）的另一端连接到地。 因此，在ON状态下在二极管（D1）和（D2）中累积的电荷通过电阻器立即释放到地。 因此，通过将控制电源端子（Vc）从ON切换到OFF，实现从传输模式到接收模式的快速切换。

公开(公告)号：EP1670151A3

公开(公告)日：2007-07-11

申请号：EP05020118.5

申请日：2005-09-15

Applicant: Broadcom Corporation

Inventor： van Rooyen, Pieter

IPC: H04B1/40

CPC classification number: H04B1/48 ,  H04B1/0057 ,  H04B1/006 ,  H04B1/406

Abstract: A method for an antenna architecture may comprise receiving at a first radio frequency integrated circuit (RFIC) integrated within a mobile terminal, first signals via at least a first antenna, where the first signals may comprise signals within a 2100 MHz band. Second signals may be received at a second RFIC integrated within the mobile terminal via at least one of the first antenna and at least one other antenna, where the second signals may comprise signals within at least one of an 1800 MHz band and a 900 MHz band. Third signals may be received at at least a third RFIC integrated within the mobile terminal via at least one of the first antenna and at least one other antenna, where the third signals may comprise VHF/UHF broadcast signals within at least one of a DVB broadcast band, an ATSC broadcast band and an ISDB broadcast band.

公开(公告)号：EP1602179B1

公开(公告)日：2007-06-27

申请号：EP04715846.4

申请日：2004-02-29

Applicant: Funkwerk Dabendorf GmbH

Inventor： NAST, Helmut ,  JACOBI, Raimo ,  HEYDER, Frank ,  KARLAPP, Bernd

IPC: H04B1/48 ,  H04B1/18

CPC classification number: H04B1/3877 ,  H04B1/18 ,  H04B1/48

Abstract: The invention relates to a circuit arrangement for operating transceivers (1, 1', 1'', 1''') on an antenna (2). The circuit arrangement can be used to operate a large number of transceivers to a great extent without power loss and without a mutual influencing of the signal branches of the devices. To achieve this, switching units (3, 3', 3'', 3''') for attenuation compensation (compensators) are positioned between the common antenna and each transceiver. All transceiver branches of the compensators are connected to the antenna via an interconnection unit (4). The transmission branches (5, 5', 6, 6') are combined by means of passive combiners (9, 11) with the respective interconnection of one isolator (15, 15', 16, 16'), the initial power of the transmission amplifiers of said branches being increased to compensate the attenuation in the combiners. Incoming signals are distributed via splitters (10, 12) among all receiving branches (7, 7', 8, 8') of a respective frequency band of the compensators, their attenuation being compensated by an amplifier of the interconnection unit. Said interconnection unit comprises a duplex separating filter (13, 14) for separating the signal paths of each frequency branch.

公开(公告)号：EP1703642A3

公开(公告)日：2007-05-30

申请号：EP06010317.3

申请日：2002-01-17

Applicant: EPCOS AG

Inventor： Block, Christian ,  Flühr, Holger

IPC: H04B1/48 ,  H04B1/00

CPC classification number: H04B1/006 ,  H04B1/48

Abstract: Die Erfindung betrifft ein elektrisches Schaltmodul mit einem spannungsgesteuerten Schalter (1), der einen Sender- (2) und einen Empfängereingang (3) sowie einen Ausgang (4) aufweist und der wahlweise einen der Eingänge (2,3) mit dem Ausgang (4) elektrisch leitend verbindet, und mit passiven Bauelementen, die ein Tiefpaßfilter (5,6) bilden, welches mit einem Sendereingang (2) des Schalters elektrisch leitend verbunden ist, bei dem die passiven Bauelemente Bestandteil eines vielschichtkeramischen Passivmoduls sind, das einen Grundkörper (7) aus übereinanderliegenden dielektrischen Schichten (8) und elektrisch leitenden Schichten (9) umfaßt, und bei dem der Schalter (1) auf der Ober- oder Unterseite des Grundkörpers (7) angeordnet ist. Ferner betrifft die Erfindung eine Schaltmodulanordnung und die Verwendung des Schaltmoduls und der Schaltmodulanordnung.

公开(公告)号：EP0978949B1

公开(公告)日：2007-05-30

申请号：EP99401962.8

申请日：1999-08-02

Applicant: STMicroelectronics S.A.

Inventor： Tchagaspanian, Michael

IPC: H04B1/48 ,  H03H11/48

CPC classification number: H04B1/48