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FI982178A - Vaimentimen säätöominaisuuksia parantava kytkentä - Google Patents

Vaimentimen säätöominaisuuksia parantava kytkentä Download PDF

Info

Publication number
FI982178A
FI982178A FI982178A FI982178A FI982178A FI 982178 A FI982178 A FI 982178A FI 982178 A FI982178 A FI 982178A FI 982178 A FI982178 A FI 982178A FI 982178 A FI982178 A FI 982178A
Authority
FI
Finland
Prior art keywords
coupling
damper control
control properties
improved damper
improved
Prior art date
Application number
FI982178A
Other languages
English (en)
Swedish (sv)
Other versions
FI982178A0 (fi
FI105613B (fi
Inventor
Juha Kajava
Original Assignee
Nokia Multimedia Terminals Oy
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 Nokia Multimedia Terminals Oy filed Critical Nokia Multimedia Terminals Oy
Priority to FI982178A priority Critical patent/FI105613B/fi
Publication of FI982178A0 publication Critical patent/FI982178A0/fi
Priority to DE69921933T priority patent/DE69921933T2/de
Priority to EP99118761A priority patent/EP0993112B1/en
Priority to US09/413,625 priority patent/US6362704B1/en
Publication of FI982178A publication Critical patent/FI982178A/fi
Application granted granted Critical
Publication of FI105613B publication Critical patent/FI105613B/fi

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
    • H03H7/25—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable
    • H03H7/253—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode
    • H03H7/255—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode the element being a PIN diode
    • 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
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
FI982178A 1998-10-07 1998-10-07 Vaimentimen säätöominaisuuksia parantava kytkentä FI105613B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI982178A FI105613B (fi) 1998-10-07 1998-10-07 Vaimentimen säätöominaisuuksia parantava kytkentä
DE69921933T DE69921933T2 (de) 1998-10-07 1999-09-23 Schaltungsanordnung zur Verbesserung der Steuercharakteristiken eines Dämpfungsglieds
EP99118761A EP0993112B1 (en) 1998-10-07 1999-09-23 A circuit arrangement improving the control characteristics of an attenuator
US09/413,625 US6362704B1 (en) 1998-10-07 1999-10-06 Circuit arrangement improving the control characteristics of an attenuator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI982178 1998-10-07
FI982178A FI105613B (fi) 1998-10-07 1998-10-07 Vaimentimen säätöominaisuuksia parantava kytkentä

Publications (3)

Publication Number Publication Date
FI982178A0 FI982178A0 (fi) 1998-10-07
FI982178A true FI982178A (fi) 2000-04-08
FI105613B FI105613B (fi) 2000-09-15

Family

ID=8552663

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982178A FI105613B (fi) 1998-10-07 1998-10-07 Vaimentimen säätöominaisuuksia parantava kytkentä

Country Status (4)

Country Link
US (1) US6362704B1 (fi)
EP (1) EP0993112B1 (fi)
DE (1) DE69921933T2 (fi)
FI (1) FI105613B (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1321052B1 (it) * 2000-11-08 2003-12-30 Marconi Comm Spa Perfezionamenti in, o relativi a, attenuatori e dispositiviamplificatori.
KR100784010B1 (ko) * 2005-10-28 2007-12-10 엘지이노텍 주식회사 강전계 입력 보상회로를 내장한 튜너

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60112306A (ja) * 1983-11-22 1985-06-18 Nec Kansai Ltd 電子減衰器
JPS60260220A (ja) * 1984-06-06 1985-12-23 Sharp Corp Ｒｆ可変減衰回路
FR2617655B1 (fr) * 1987-06-30 1994-05-20 Telecommunicat Radioelect Teleph Dispositif d'attenuation variable destine a etre insere entre un circuit emetteur et un circuit de charge
US4843354A (en) * 1987-12-28 1989-06-27 Motorola, Inc. Broad band microwave biasing networks suitable for being provided in monolithic integrated circuit form
JPH09214278A (ja) * 1996-01-30 1997-08-15 Nec Corp Ｐｉｎダイオード可変減衰器

Also Published As

Publication number Publication date
FI982178A0 (fi) 1998-10-07
DE69921933T2 (de) 2005-03-24
EP0993112A2 (en) 2000-04-12
FI105613B (fi) 2000-09-15
US6362704B1 (en) 2002-03-26
EP0993112B1 (en) 2004-11-17
EP0993112A3 (en) 2002-02-13
DE69921933D1 (de) 2004-12-23

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