[go: up one dir, main page]

JPS5744314A - Variable attenuator - Google Patents

Variable attenuator

Info

Publication number
JPS5744314A
JPS5744314A JP12024180A JP12024180A JPS5744314A JP S5744314 A JPS5744314 A JP S5744314A JP 12024180 A JP12024180 A JP 12024180A JP 12024180 A JP12024180 A JP 12024180A JP S5744314 A JPS5744314 A JP S5744314A
Authority
JP
Japan
Prior art keywords
resistance
impedance
constant
pin diodes
quarter
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.)
Pending
Application number
JP12024180A
Other languages
English (en)
Inventor
Yoichi Ara
Sachiro Fukuda
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP12024180A priority Critical patent/JPS5744314A/ja
Publication of JPS5744314A publication Critical patent/JPS5744314A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/24Frequency- independent attenuators
    • H03H7/25Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable
    • H03H7/253Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode
    • H03H7/255Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode the element being a PIN diode

Landscapes

  • Attenuators (AREA)
JP12024180A 1980-08-29 1980-08-29 Variable attenuator Pending JPS5744314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12024180A JPS5744314A (en) 1980-08-29 1980-08-29 Variable attenuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12024180A JPS5744314A (en) 1980-08-29 1980-08-29 Variable attenuator

Publications (1)

Publication Number Publication Date
JPS5744314A true JPS5744314A (en) 1982-03-12

Family

ID=14781330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12024180A Pending JPS5744314A (en) 1980-08-29 1980-08-29 Variable attenuator

Country Status (1)

Country Link
JP (1) JPS5744314A (ja)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754240A (en) * 1985-11-20 1988-06-28 Gte Telecomunicazioni, S.P.A. Pin diode attenuators
JPH01117408A (ja) * 1987-10-30 1989-05-10 Kokusai Electric Co Ltd 高周波可変減衰器
JPH02156733A (ja) * 1988-12-09 1990-06-15 Kokusai Electric Co Ltd 検波器付高周波減衰器
US4942375A (en) * 1987-06-30 1990-07-17 U.S. Philips Corporation Variable attenuation device intended to be inserted between a transmitter circuit and load circuit
EP0788223A2 (en) 1996-01-30 1997-08-06 Nec Corporation Pin diode variable attenuator
US5808520A (en) * 1995-03-22 1998-09-15 Nec Corporation Attenuating circuit using quarter-wave lines
US5834988A (en) * 1997-03-12 1998-11-10 Zenith Electronics Corporation Frequency compensated PIN diode attenuator
WO2006100726A1 (ja) * 2005-03-18 2006-09-28 Fujitsu Limited 可変減衰器及び集積回路
JP2007074028A (ja) * 2005-09-02 2007-03-22 Mitsubishi Electric Corp ダイオードスイッチおよび減衰器

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754240A (en) * 1985-11-20 1988-06-28 Gte Telecomunicazioni, S.P.A. Pin diode attenuators
US4942375A (en) * 1987-06-30 1990-07-17 U.S. Philips Corporation Variable attenuation device intended to be inserted between a transmitter circuit and load circuit
JPH01117408A (ja) * 1987-10-30 1989-05-10 Kokusai Electric Co Ltd 高周波可変減衰器
JPH02156733A (ja) * 1988-12-09 1990-06-15 Kokusai Electric Co Ltd 検波器付高周波減衰器
US5808520A (en) * 1995-03-22 1998-09-15 Nec Corporation Attenuating circuit using quarter-wave lines
EP0788223A2 (en) 1996-01-30 1997-08-06 Nec Corporation Pin diode variable attenuator
US5862464A (en) * 1996-01-30 1999-01-19 Nec Corporation Pin diode variable attenuator
US5834988A (en) * 1997-03-12 1998-11-10 Zenith Electronics Corporation Frequency compensated PIN diode attenuator
WO2006100726A1 (ja) * 2005-03-18 2006-09-28 Fujitsu Limited 可変減衰器及び集積回路
US7453329B2 (en) 2005-03-18 2008-11-18 Fujitsu Limited Variable attenuator and integrated circuit
JP2007074028A (ja) * 2005-09-02 2007-03-22 Mitsubishi Electric Corp ダイオードスイッチおよび減衰器

Similar Documents

Publication Publication Date Title
US2576026A (en) Electronic switch
US4654610A (en) PIN diode switched RF signal attenuator
JPS5744314A (en) Variable attenuator
JPS6432713A (en) Variable attenuator
JPS573116A (en) Converter
ES545685A0 (es) Un circuito de linea para la conexion de un abonado telefo- nico
ES8500693A1 (es) Un circuito de alimentacion para una carga variable, particularmente para un circuito de linea en sistemas telefonicos
US3068420A (en) Frequency discriminator
JPS5715511A (en) Variable attenuator
JPS5489461A (en) Variable resistance attenuator
JPS6449413A (en) Bridging t-type variable resistance attenuator
JPS5799825A (en) Josephson logical operation circuit
RU1775766C (ru) Аттенюатор
JPS57136813A (en) Resistance branching circuit
JPS5734276A (en) Polygonal line circuit
JPS57157613A (en) Attenuator
SU1103312A1 (ru) Электрически управл емый аттенюатор
JPS6430312A (en) Amplifier
SU888330A1 (ru) Формирователь импульсов управлени
JPS59216311A (ja) 可変抵抗減衰器
SU1283879A2 (ru) Электрический управл емый аттенюатор
US4739196A (en) Wide range linear inpedance controller using junction field effect transistors
KR860000432Y1 (ko) 앰프출력 표시용 메터의 구동장치
JPS56112778A (en) Josephson line logic device
JPS57201314A (en) Variable attenuator