SE448264B - Anordninng for justering av impedansverdet hos ett impedansnet i en integrerad halvledarkrets - Google Patents

Anordninng for justering av impedansverdet hos ett impedansnet i en integrerad halvledarkrets

Info

Publication number
SE448264B
SE448264B SE8506023A SE8506023A SE448264B SE 448264 B SE448264 B SE 448264B SE 8506023 A SE8506023 A SE 8506023A SE 8506023 A SE8506023 A SE 8506023A SE 448264 B SE448264 B SE 448264B
Authority
SE
Sweden
Prior art keywords
current
impedance
adjusting
switch means
circuit
Prior art date
Application number
SE8506023A
Other languages
English (en)
Swedish (sv)
Other versions
SE8506023D0 (sv
Inventor
H Eriksson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE8506023A priority Critical patent/SE448264B/sv
Publication of SE8506023D0 publication Critical patent/SE8506023D0/xx
Priority to EP86850412A priority patent/EP0226561B1/fr
Priority to DE8686850412T priority patent/DE3670738D1/de
Priority to US06/942,769 priority patent/US4797578A/en
Priority to JP61302716A priority patent/JP2710931B2/ja
Publication of SE448264B publication Critical patent/SE448264B/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Filters And Equalizers (AREA)
  • Networks Using Active Elements (AREA)
SE8506023A 1985-12-19 1985-12-19 Anordninng for justering av impedansverdet hos ett impedansnet i en integrerad halvledarkrets SE448264B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8506023A SE448264B (sv) 1985-12-19 1985-12-19 Anordninng for justering av impedansverdet hos ett impedansnet i en integrerad halvledarkrets
EP86850412A EP0226561B1 (fr) 1985-12-19 1986-11-27 Dispositif pour ajuster un réseau d'impédance dans un circuit semi-conducteur intégré
DE8686850412T DE3670738D1 (de) 1985-12-19 1986-11-27 Vorrichtung zur justierung eines netzwerkes in einem integrierten halbleiterkreis.
US06/942,769 US4797578A (en) 1985-12-19 1986-12-17 Arrangement for adjusting an impedance network in an integrated semiconductor circuit
JP61302716A JP2710931B2 (ja) 1985-12-19 1986-12-18 インピーダンス調節装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8506023A SE448264B (sv) 1985-12-19 1985-12-19 Anordninng for justering av impedansverdet hos ett impedansnet i en integrerad halvledarkrets

Publications (2)

Publication Number Publication Date
SE8506023D0 SE8506023D0 (sv) 1985-12-19
SE448264B true SE448264B (sv) 1987-02-02

Family

ID=20362528

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8506023A SE448264B (sv) 1985-12-19 1985-12-19 Anordninng for justering av impedansverdet hos ett impedansnet i en integrerad halvledarkrets

Country Status (5)

Country Link
US (1) US4797578A (fr)
EP (1) EP0226561B1 (fr)
JP (1) JP2710931B2 (fr)
DE (1) DE3670738D1 (fr)
SE (1) SE448264B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5526425A (en) * 1993-11-09 1996-06-11 Telefonaktiebolaget Lm Ericsson Interface circuit between a four wire line and a two wire line

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH079921B2 (ja) * 1988-01-27 1995-02-01 シャープ株式会社 半導体集積回路およびその特性検査方法
JPH0233644A (ja) * 1988-07-15 1990-02-02 Ncr Corp フレキシブル基板を用いた固有コードの設定方法及び装置
US5047664A (en) * 1989-07-21 1991-09-10 Advanced Micro Devices, Inc. Trimming circuit
GB2249893B (en) * 1990-11-03 1994-09-14 Grau Ltd Automotive electronic control systems
US5477089A (en) * 1990-11-03 1995-12-19 Grau Limited Automotive electronic control systems
SE9400186D0 (sv) * 1994-01-21 1994-01-21 Ericsson Telefon Ab L M Förfarande i ett telekommunikationssystem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS529850A (en) * 1975-07-15 1977-01-25 Oki Electric Ind Co Ltd Semiifixed electron variable resistor
DE2715937A1 (de) * 1977-04-09 1978-10-19 Honeywell Inc Anpassungsschaltkreis
US4225878A (en) * 1979-03-08 1980-09-30 National Semiconductor Corporation Integrated circuit on chip trimming
NL8002634A (nl) * 1980-05-08 1981-12-01 Philips Nv Programmeerbare halfgeleiderinrichting en werkwijze ter vervaardiging daarvan.
US4412241A (en) * 1980-11-21 1983-10-25 National Semiconductor Corporation Multiple trim structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5526425A (en) * 1993-11-09 1996-06-11 Telefonaktiebolaget Lm Ericsson Interface circuit between a four wire line and a two wire line

Also Published As

Publication number Publication date
JPS62157412A (ja) 1987-07-13
DE3670738D1 (de) 1990-05-31
EP0226561B1 (fr) 1990-04-25
JP2710931B2 (ja) 1998-02-10
US4797578A (en) 1989-01-10
SE8506023D0 (sv) 1985-12-19
EP0226561A1 (fr) 1987-06-24

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