FR2497615B1 - Dispositif de transmission de signaux presentant une caracteristique de transmission reglable pas a pas - Google Patents

Dispositif de transmission de signaux presentant une caracteristique de transmission reglable pas a pas

Info

Publication number
FR2497615B1
FR2497615B1 FR8200019A FR8200019A FR2497615B1 FR 2497615 B1 FR2497615 B1 FR 2497615B1 FR 8200019 A FR8200019 A FR 8200019A FR 8200019 A FR8200019 A FR 8200019A FR 2497615 B1 FR2497615 B1 FR 2497615B1
Authority
FR
France
Prior art keywords
transmission device
signal transmission
feature
adjustable
adjustable transmission
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
Application number
FR8200019A
Other languages
English (en)
Other versions
FR2497615A1 (fr
Inventor
Theodorus Carel Van Kessel
Eise Carel Dijkmans
Albertus Jan Paulus Maria Uden
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2497615A1 publication Critical patent/FR2497615A1/fr
Application granted granted Critical
Publication of FR2497615B1 publication Critical patent/FR2497615B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/62—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors
    • H03K17/6257—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors with several inputs only combined with selecting means
    • H03K17/6264—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors with several inputs only combined with selecting means using current steering means
FR8200019A 1981-01-07 1982-01-04 Dispositif de transmission de signaux presentant une caracteristique de transmission reglable pas a pas Expired FR2497615B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8100033A NL8100033A (nl) 1981-01-07 1981-01-07 Signaaloverdrachtsinrichting met een in stappen instelbare overdrachtskarakteristiek.

Publications (2)

Publication Number Publication Date
FR2497615A1 FR2497615A1 (fr) 1982-07-09
FR2497615B1 true FR2497615B1 (fr) 1989-06-02

Family

ID=19836824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8200019A Expired FR2497615B1 (fr) 1981-01-07 1982-01-04 Dispositif de transmission de signaux presentant une caracteristique de transmission reglable pas a pas

Country Status (9)

Country Link
US (1) US4430609A (fr)
JP (1) JPH0630421B2 (fr)
CA (1) CA1184262A (fr)
DE (1) DE3200071A1 (fr)
FR (1) FR2497615B1 (fr)
GB (1) GB2091054B (fr)
HK (1) HK99384A (fr)
IT (1) IT1149401B (fr)
NL (1) NL8100033A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8201376A (nl) * 1982-04-01 1983-11-01 Philips Nv Schakeling voor het versterken en/of verzwakken van een signaal.
JPS6094513A (ja) * 1983-10-28 1985-05-27 Victor Co Of Japan Ltd 音量調整装置
US4598252A (en) * 1984-07-06 1986-07-01 Itt Corporation Variable gain power amplifier
IT1215237B (it) * 1985-02-20 1990-01-31 Ates Componenti Elettron Attenuatore a basso rumore ed elevata stabilita'termica,di tipo integrabile
DE3726535A1 (de) * 1987-08-10 1989-02-23 Philips Patentverwaltung Verfahren zur schaltstossarmen leistungssteuerung elektrischer lasten
DE3731643A1 (de) * 1987-09-19 1989-03-30 Thomson Brandt Gmbh Schaltungsanordnung zur pegeleinstellung von audiosignalen
DE4403388C2 (de) * 1994-02-04 1997-02-13 Telefunken Microelectron Schaltungsanordnung
EP0691735B1 (fr) * 1994-07-08 2000-11-29 Infineon Technologies AG Montage amplificateur et circuit récepteur avec un tel montage d'amplificateur
US5550507A (en) * 1995-10-03 1996-08-27 U.S. Philips Corporation Demodulator employing cyclic switching of the gain factor of an operational amplifier between different predetermined values
DE19635050A1 (de) * 1996-08-30 1998-03-05 Philips Patentverwaltung Schaltungsanordnung mit wenigstens zwei Signalpfaden
DE19708490A1 (de) * 1997-03-03 1998-09-10 Bosch Gmbh Robert Funkgerät
US5805006A (en) * 1997-04-28 1998-09-08 Marvell Technology Group, Ltd. Controllable integrator
DE19851998A1 (de) 1998-11-11 2000-05-18 Philips Corp Intellectual Pty Schaltungsanordnung zum Erzeugen eines Ausgangssignals
JP2002076014A (ja) * 2000-08-30 2002-03-15 Mitsubishi Electric Corp 高周波用半導体装置
US7161342B2 (en) * 2002-10-25 2007-01-09 Marvell World Trade Ltd. Low loss DC/DC converter
CN101179226B (zh) * 2002-10-25 2012-06-20 马维尔国际贸易有限公司 低损耗dc/dc变换器以及直流对直流功率变换方法
US7098738B2 (en) * 2003-12-24 2006-08-29 Broadcom Corporation Fine step and large gain range programmable gain amplifier
US7190152B2 (en) * 2004-07-13 2007-03-13 Marvell World Trade Ltd. Closed-loop digital control system for a DC/DC converter
DE102004039830B4 (de) 2004-08-17 2007-11-08 Infineon Technologies Ag Verstärkerschaltung mit einstellbarer wertdiskreter Verstärkung, Verwendung der Verstärkerschaltung und Verfahren zum Betreiben eines wertdiskret einstellbaren Verstärkers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL275372A (fr) * 1961-03-20
US3875522A (en) * 1973-04-13 1975-04-01 Signetics Corp Integrated direct-coupled electronic attenuator
JPS5051658A (fr) * 1973-09-07 1975-05-08
US3838296A (en) * 1973-10-29 1974-09-24 Nat Semiconductor Corp Emitter coupled logic transistor circuit
JPS5342003U (fr) * 1976-09-16 1978-04-11
US4066965A (en) * 1976-09-28 1978-01-03 The United States Of America As Represented By The Secretary Of The Navy RF GTWT Saturating circuit
JPS5425613A (en) * 1977-07-29 1979-02-26 Toshiba Corp Analog multiplexer
NL7712536A (nl) * 1977-11-15 1979-05-17 Philips Nv Schakeling voor het onderdrukken van storingen tengevolge van krassen in een grammofoonplaat.
NL7811229A (nl) * 1978-11-14 1980-05-19 Philips Nv Verzwakkerinrichting bevattende een cascadeschakeling van een stappenverzwakker en een regelbare spannings- deler, alsmede een besturingsschakeling voor de rege- ling daarvan.
JPS5574116U (fr) * 1978-11-15 1980-05-22

Also Published As

Publication number Publication date
DE3200071C2 (fr) 1990-02-08
NL8100033A (nl) 1982-08-02
US4430609A (en) 1984-02-07
JPH0630421B2 (ja) 1994-04-20
IT8219001A0 (it) 1982-01-04
HK99384A (en) 1984-12-28
GB2091054B (en) 1984-06-20
FR2497615A1 (fr) 1982-07-09
DE3200071A1 (de) 1982-09-09
JPS57135509A (en) 1982-08-21
CA1184262A (fr) 1985-03-19
GB2091054A (en) 1982-07-21
IT1149401B (it) 1986-12-03

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse