JPS5267238A - Variable equalizer - Google Patents

Variable equalizer

Info

Publication number
JPS5267238A
JPS5267238A JP50142246A JP14224675A JPS5267238A JP S5267238 A JPS5267238 A JP S5267238A JP 50142246 A JP50142246 A JP 50142246A JP 14224675 A JP14224675 A JP 14224675A JP S5267238 A JPS5267238 A JP S5267238A
Authority
JP
Japan
Prior art keywords
variable equalizer
frequency property
equalizer
variable
mde
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.)
Granted
Application number
JP50142246A
Other languages
English (en)
Other versions
JPS566721B2 (ja
Inventor
Kohei Ishizuka
Yasuhiro Kita
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50142246A priority Critical patent/JPS5267238A/ja
Priority to US05/745,057 priority patent/US4101851A/en
Publication of JPS5267238A publication Critical patent/JPS5267238A/ja
Publication of JPS566721B2 publication Critical patent/JPS566721B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
    • H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
JP50142246A 1975-12-01 1975-12-01 Variable equalizer Granted JPS5267238A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50142246A JPS5267238A (en) 1975-12-01 1975-12-01 Variable equalizer
US05/745,057 US4101851A (en) 1975-12-01 1976-11-26 Variable equalizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50142246A JPS5267238A (en) 1975-12-01 1975-12-01 Variable equalizer

Publications (2)

Publication Number Publication Date
JPS5267238A true JPS5267238A (en) 1977-06-03
JPS566721B2 JPS566721B2 (ja) 1981-02-13

Family

ID=15310832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50142246A Granted JPS5267238A (en) 1975-12-01 1975-12-01 Variable equalizer

Country Status (2)

Country Link
US (1) US4101851A (ja)
JP (1) JPS5267238A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1246718B (it) * 1990-11-15 1994-11-26 Sgs Thomson Microelectronics Circuito di traslazione bidirezionale ad assorbimento costante di un segnale alternato

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1809420A1 (de) * 1968-11-16 1970-05-21 Telefunken Patent Selbsttaetiger Entzerrer zum Ausgleich frequenzabhaengiger Daempfungsaenderungen,insbesondere fuer UEbertragungsleitungen mit grossen und raschen Daempfungsaenderungen
GB1515335A (en) * 1974-06-21 1978-06-21 Hitachi Ltd Equalizer having variable attenuation
JPS5947495B2 (ja) * 1975-04-04 1984-11-19 株式会社日立製作所 可変インピ−ダンス回路

Also Published As

Publication number Publication date
JPS566721B2 (ja) 1981-02-13
US4101851A (en) 1978-07-18

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