FR2696597B1 - Attenuateur variable pour l'attenuation du gain d'un signal analogique selon un signal numerique. - Google Patents

Attenuateur variable pour l'attenuation du gain d'un signal analogique selon un signal numerique.

Info

Publication number
FR2696597B1
FR2696597B1 FR9309408A FR9309408A FR2696597B1 FR 2696597 B1 FR2696597 B1 FR 2696597B1 FR 9309408 A FR9309408 A FR 9309408A FR 9309408 A FR9309408 A FR 9309408A FR 2696597 B1 FR2696597 B1 FR 2696597B1
Authority
FR
France
Prior art keywords
attenuating
gain
variable attenuator
digital signal
signal according
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR9309408A
Other languages
English (en)
Other versions
FR2696597A1 (fr
Inventor
Osamu Kobayashi
Kunihiko Gotoh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2696597A1 publication Critical patent/FR2696597A1/fr
Application granted granted Critical
Publication of FR2696597B1 publication Critical patent/FR2696597B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/24—Frequency- independent attenuators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
FR9309408A 1992-10-05 1993-07-30 Attenuateur variable pour l'attenuation du gain d'un signal analogique selon un signal numerique. Expired - Fee Related FR2696597B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4265884A JP2891274B2 (ja) 1992-10-05 1992-10-05 可変信号減衰装置

Publications (2)

Publication Number Publication Date
FR2696597A1 FR2696597A1 (fr) 1994-04-08
FR2696597B1 true FR2696597B1 (fr) 1996-04-12

Family

ID=17423443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9309408A Expired - Fee Related FR2696597B1 (fr) 1992-10-05 1993-07-30 Attenuateur variable pour l'attenuation du gain d'un signal analogique selon un signal numerique.

Country Status (3)

Country Link
US (1) US5351030A (fr)
JP (1) JP2891274B2 (fr)
FR (1) FR2696597B1 (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5442352A (en) * 1994-01-14 1995-08-15 Motorola, Inc. Linear attenuator for current-mode digital-to-analog converter (DAC) or the like
FR2719413B1 (fr) * 1994-04-28 1996-07-26 Sextant Avionique Procédé d'obtention d'une résistance de valeur déterminée.
JP3678814B2 (ja) * 1995-09-29 2005-08-03 日本バーブラウン株式会社 集積回路抵抗体アレイ
EP0780851B1 (fr) * 1995-12-20 2003-06-11 International Business Machines Corporation Circuit intégré semiconducteur avec des structures de résistance ajustables électriquement
US5742204A (en) * 1996-02-29 1998-04-21 Harris Corporation Digitally programmable differential attenuator with tracking common mode reference
CA2202458C (fr) * 1997-04-11 2001-02-06 Surinder Kumar Dispositif de modulation directe en quadrature de l'amplitude de signaux
JPH11298272A (ja) * 1998-04-15 1999-10-29 Matsushita Electric Ind Co Ltd 可変増幅装置
KR100415118B1 (ko) * 1999-12-29 2004-01-13 삼성전자주식회사 이동단말기 수신단의 증폭 장치 및 제어방법
US7221967B2 (en) * 2004-09-14 2007-05-22 Wilson Electronics, Inc. Enhanced gain selected cell phone booster system
US20060058071A1 (en) * 2004-09-14 2006-03-16 Buren Alan V Gain selected cell phone booster
KR100877021B1 (ko) * 2005-03-29 2009-01-07 가시오게산키 가부시키가이샤 증발장치 및 증발방법
US7675380B2 (en) * 2005-06-14 2010-03-09 National Semiconductor Corporation Integrated digitally controlled linear-in-decibels attenuator
KR100765961B1 (ko) * 2005-11-28 2007-10-11 삼성전자주식회사 영상처리장치 및 영상처리방법
US7477085B2 (en) * 2006-05-26 2009-01-13 Microtune (Texas), L.P. Digital attenuator circuits and methods for use thereof
US20110025396A1 (en) * 2006-05-26 2011-02-03 Microtune (Texas), L.P. Digital Attenuator Circuits and Methods for Use thereof
US7853227B2 (en) * 2006-05-26 2010-12-14 Microtune (Texas), L.P. AGC system and method for broadband tuners
WO2008063133A1 (fr) * 2006-11-24 2008-05-29 Agency For Science, Technology And Research Atténuateur à source suiveuse
JP2009003886A (ja) * 2007-06-25 2009-01-08 Samsung Electronics Co Ltd 電圧レギュレータ回路
KR100952665B1 (ko) * 2008-06-09 2010-04-13 (주)에프씨아이 가변 레지스턴스 어레이 및 채널선택필터
JP2010238285A (ja) * 2009-03-30 2010-10-21 Fujitsu Frontech Ltd カードリーダおよび磁気ヘッド
KR20110028712A (ko) * 2009-09-14 2011-03-22 삼성전자주식회사 전압 범위 판단 회로
CN105144576B (zh) * 2013-03-04 2019-06-11 爱德万测试公司 可切换的信号路由电路、方法及非暂态存储介质
CA2814303A1 (fr) 2013-04-26 2014-10-26 Cellphone-Mate, Inc. Appareil et procedes pour amplificateurs de signaux de frequence radio
US10082488B2 (en) 2015-12-02 2018-09-25 Butterfly Network, Inc. Time gain compensation circuit and related apparatus and methods
US10659009B2 (en) * 2016-08-01 2020-05-19 Nxp B.V. Method and system for attenuator phase compensation
US10231713B2 (en) 2016-09-13 2019-03-19 Butterfly Network, Inc. Analog-to-digital drive circuitry having built-in time gain compensation functionality for ultrasound applications
JP6839462B1 (ja) * 2019-12-23 2021-03-10 栄通信工業株式会社 ジョイスティックコントローラ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3453529A (en) * 1967-02-17 1969-07-01 Weston Instruments Inc Attenuators having constant output resistance
FR1593017A (fr) * 1968-09-11 1970-05-25
US3590366A (en) * 1969-06-27 1971-06-29 American Optical Corp Variable attenuator
DE2011056B2 (de) * 1970-03-09 1971-12-16 Krone Gmbh, 1000 Berlin Pulscodedemodulator mit dehnercharakteristik aufweisender knickkennlinie
US3617959A (en) * 1970-05-27 1971-11-02 Beltone Electronics Corp Variable attenuator wherein input signal is switched in response to movement of variable tap
US3750044A (en) * 1972-05-22 1973-07-31 Intern Radio & Electronics Cor Graphic equalizer circuit
US4354159A (en) * 1981-02-02 1982-10-12 Rockwell International Corporation Prescription attenuator having cascaded L-pad sections

Also Published As

Publication number Publication date
JP2891274B2 (ja) 1999-05-17
US5351030A (en) 1994-09-27
JPH06120011A (ja) 1994-04-28
FR2696597A1 (fr) 1994-04-08

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Effective date: 20110331