SE519971C2 - Variabel dämpare, sammansatt variabel dämpare samt en mobil kommunikationsapparat innefattande en variabel dämpare eller en sammansatt variabel dämpare - Google Patents

Variabel dämpare, sammansatt variabel dämpare samt en mobil kommunikationsapparat innefattande en variabel dämpare eller en sammansatt variabel dämpare

Info

Publication number: SE519971C2
Authority: SE; Sweden
Prior art keywords: line; variable attenuator; variable; cam; diodes
Prior art date: 1999-03-09

Application number

SE0000768A

Other languages

English (en)

Swedish (sv)

Other versions

SE0000768D0 (sv

SE0000768L (sv

Inventor

Koji Tanaka

Toshifumi Oida

Original Assignee

Murata Manufacturing Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1999-03-09

Filing date

2000-03-08

Publication date

2003-05-06

2000-03-08 Application filed by Murata Manufacturing Co filed Critical Murata Manufacturing Co

2000-03-08 Publication of SE0000768D0 publication Critical patent/SE0000768D0/xx

2000-09-10 Publication of SE0000768L publication Critical patent/SE0000768L/

2003-05-06 Publication of SE519971C2 publication Critical patent/SE519971C2/sv

Links

239000002131 composite material Substances 0.000 title claims abstract description 20
238000010295 mobile communication Methods 0.000 title claims abstract description 18
239000000919 ceramic Substances 0.000 claims description 26
239000000758 substrate Substances 0.000 claims description 21
239000011888 foil Substances 0.000 claims description 14
230000008878 coupling Effects 0.000 abstract description 3
238000010168 coupling process Methods 0.000 abstract description 3
238000005859 coupling reaction Methods 0.000 abstract description 3
238000010586 diagram Methods 0.000 description 8
238000004519 manufacturing process Methods 0.000 description 5
238000013016 damping Methods 0.000 description 4
101150071716 PCSK1 gene Proteins 0.000 description 3
230000005540 biological transmission Effects 0.000 description 3
230000000694 effects Effects 0.000 description 3
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
230000002238 attenuated effect Effects 0.000 description 2
QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
229910052802 copper Inorganic materials 0.000 description 2
239000010949 copper Substances 0.000 description 2
230000005669 field effect Effects 0.000 description 2
238000004904 shortening Methods 0.000 description 2
101100184148 Xenopus laevis mix-a gene Proteins 0.000 description 1
101100345673 Xenopus laevis mix-b gene Proteins 0.000 description 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
239000003990 capacitor Substances 0.000 description 1
239000004020 conductor Substances 0.000 description 1
239000000470 constituent Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000010304 firing Methods 0.000 description 1
238000003475 lamination Methods 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/22—Attenuating devices
- H01P1/227—Strip line attenuators

Landscapes

Non-Reversible Transmitting Devices (AREA)
Attenuators (AREA)

SE0000768A 1999-03-09 2000-03-08 Variabel dämpare, sammansatt variabel dämpare samt en mobil kommunikationsapparat innefattande en variabel dämpare eller en sammansatt variabel dämpare SE519971C2 (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP06179499A JP3438637B2 (ja)	1999-03-09	1999-03-09	可変減衰器、複合可変減衰器及び移動体通信機器

Publications (3)

Publication Number	Publication Date
SE0000768D0 SE0000768D0 (sv)	2000-03-08
SE0000768L SE0000768L (sv)	2000-09-10
SE519971C2 true SE519971C2 (sv)	2003-05-06

Family

ID=13181375

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE0000768A SE519971C2 (sv)	1999-03-09	2000-03-08	Variabel dämpare, sammansatt variabel dämpare samt en mobil kommunikationsapparat innefattande en variabel dämpare eller en sammansatt variabel dämpare

Country Status (3)

Country	Link
US (1)	US6480708B1 (ja)
JP (1)	JP3438637B2 (ja)
SE (1)	SE519971C2 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10130764C1 (de) *	2001-06-26	2002-11-07	Eads Deutschland Gmbh	Integrierte HF-Schaltung zur Amplitudenbeeinflussung von Signalen
JP3850810B2 (ja) *	2003-04-17	2006-11-29	株式会社豊田中央研究所	フィルタ機能付き高周波スイッチング回路
US20040259502A1 (en) *	2003-06-19	2004-12-23	Weidner Michael N.	Method and apparatus for mitigating IM interference effects in two-way radio subscriber units
WO2008118046A1 (en) *	2007-03-28	2008-10-02	Telefonaktiebolaget Lm Ericsson (Publ)	Coupled line step attenuator
US7649430B2 (en) *	2007-09-28	2010-01-19	Advantest Corporation	Switching device, and testing apparatus
US8143969B2 (en) *	2009-10-09	2012-03-27	State Of The Art, Inc.	Multiple tap attenuator microchip device
JP2018101943A (ja) *	2016-12-21	2018-06-28	株式会社村田製作所	高周波モジュール
JP7091862B2 (ja) *	2018-06-14	2022-06-28	住友電工デバイス・イノベーション株式会社	可変減衰器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2786323B2 (ja) *	1990-06-22	1998-08-13	パイオニア株式会社	信号減衰回路
JPH0541627A (ja) *	1991-05-24	1993-02-19	Sony Corp	高周波減衰回路
JPH07176969A (ja) *	1993-12-03	1995-07-14	Nec Corp	歪対策受信回路
JP3134031B2 (ja) *	1993-12-27	2001-02-13	三菱電機株式会社	アッテネータ
JPH07321587A (ja) *	1994-03-28	1995-12-08	Toshiba Corp	減衰装置
US5453721A (en) *	1994-06-09	1995-09-26	Motorola, Inc.	Attenuator
JPH0846473A (ja) *	1994-07-27	1996-02-16	Mitsubishi Electric Corp	マイクロ波可変減衰器
US5909645A (en) *	1996-06-21	1999-06-01	Lucent Technologies Inc.	Receiver with dynamic attenuation control for adaptive intermodulation performance enhancement
GB2334838B (en) *	1998-02-26	2002-11-27	Mitel Semiconductor Ltd	Variable attenuator circuit
US6297709B1 (en) *	1999-07-14	2001-10-02	Nokia Telecommunications Oy	Temperature compensated variable attenuator

1999
- 1999-03-09 JP JP06179499A patent/JP3438637B2/ja not_active Expired - Lifetime
2000
- 2000-03-08 SE SE0000768A patent/SE519971C2/sv not_active IP Right Cessation
- 2000-03-09 US US09/522,204 patent/US6480708B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JP2000261274A (ja)	2000-09-22
US6480708B1 (en)	2002-11-12
JP3438637B2 (ja)	2003-08-18
SE0000768D0 (sv)	2000-03-08
SE0000768L (sv)	2000-09-10

Similar Documents

Publication	Publication Date	Title
WO2003061058A1 (en)	2003-07-24	Circuit topology for attenuator and switch circuits
US8212648B2 (en)	2012-07-03	Variable attenuator
US7639100B2 (en)	2009-12-29	RF step attenuator
EP2190116B1 (en)	2018-03-21	Variable attenuator
CN113300682A (zh)	2021-08-24	一种可重构的限幅衰减一体化电路及其工作方法
SE519971C2 (sv)	2003-05-06	Variabel dämpare, sammansatt variabel dämpare samt en mobil kommunikationsapparat innefattande en variabel dämpare eller en sammansatt variabel dämpare
CN86107728A (zh)	1987-07-15	对pin二极管衰减器的改进
CN114374369A (zh)	2022-04-19	一种基于ltcc工艺的具有低频传输零点的双工器
CN108233892A (zh)	2018-06-29	电压可变衰减器、集成电路和衰减方法
US6414565B1 (en)	2002-07-02	Variable attenuator and mobile communication apparatus
CN110034363B (zh)	2021-01-15	一种基于终端开路微带线结构的微波电调带阻滤波器
CN104579236A (zh)	2015-04-29	一种非对称的微波数字衰减器电路及其控制方法
JP4013360B2 (ja)	2007-11-28	可変減衰器及び移動体通信機器
KR100674742B1 (ko)	2007-01-25	고주파 스위치 회로 장치
CN111162780B (zh)	2023-10-27	一种低电流高电压幅相控制系统
JPH1155059A (ja)	1999-02-26	可変減衰器
JP4925996B2 (ja)	2012-05-09	減衰器および電子デバイス
CN204376853U (zh)	2015-06-03	一种非对称的微波数字衰减器电路
CN119155975B (zh)	2025-07-01	一种基于二极管电导调制效应控制的非互易电磁防护系统
CN104767017A (zh)	2015-07-08	一种可调频的量子耦合滤波器
CN221328074U (zh)	2024-07-12	一种滤波器以及通信设备
Jin et al.	2023	Design of a Low-Loss 5-bit Attenuator in 0.15 μm GaAs Process
CN215990730U (zh)	2022-03-08	一种适用于Ku波段的数控衰减器
KR100972756B1 (ko)	2010-07-28	광대역 감쇠기
CN110247635A (zh)	2019-09-17	可变衰减器

Legal Events

Date	Code	Title	Description
2020-05-05	NUG	Patent has lapsed