JPS56109014A - Amplitude equalizer - Google Patents

Amplitude equalizer

Info

Publication number
JPS56109014A
JPS56109014A JP1222880A JP1222880A JPS56109014A JP S56109014 A JPS56109014 A JP S56109014A JP 1222880 A JP1222880 A JP 1222880A JP 1222880 A JP1222880 A JP 1222880A JP S56109014 A JPS56109014 A JP S56109014A
Authority
JP
Japan
Prior art keywords
equalizer
equalizing
amplitude
asymmetricity
operated
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
JP1222880A
Other languages
Japanese (ja)
Other versions
JPS612325B2 (en
Inventor
Kozo Morita
Takehiro Murase
Tamaaki Yoshida
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1222880A priority Critical patent/JPS56109014A/en
Publication of JPS56109014A publication Critical patent/JPS56109014A/en
Publication of JPS612325B2 publication Critical patent/JPS612325B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Filters And Equalizers (AREA)
  • Networks Using Active Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

PURPOSE:To remarkably increase the residual equalization operated as an automatic equalizer, by controlling the amplitude equalizer partly so that the resonance type equalizer can compensate the asymmetricity to the resonance point in the equalizing characteristics. CONSTITUTION:To a resonance type equalizer consisting of a coaxial line 11, variable resistive element 12 and varactor diode 14, a primary amplitude equalizer 24 is in cascade connection via a buffer amplifier 22 as required. Further, a PIN diode is used as the device, and the signal source 13 is connected to the control signal input terminal 26 through a signal blocking choke coil 25 to give the control voltage to the element 12. To the asymmetricity of said equalizer 22 to the resonance point for equalizing characteristics, the primary amplitude of the equalizer 24 is controlled. Thus, the equalizing residual operated as an automatic equalizer can remarkably be increased.
JP1222880A 1980-02-04 1980-02-04 Amplitude equalizer Granted JPS56109014A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1222880A JPS56109014A (en) 1980-02-04 1980-02-04 Amplitude equalizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1222880A JPS56109014A (en) 1980-02-04 1980-02-04 Amplitude equalizer

Publications (2)

Publication Number Publication Date
JPS56109014A true JPS56109014A (en) 1981-08-29
JPS612325B2 JPS612325B2 (en) 1986-01-24

Family

ID=11799507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1222880A Granted JPS56109014A (en) 1980-02-04 1980-02-04 Amplitude equalizer

Country Status (1)

Country Link
JP (1) JPS56109014A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH067315U (en) * 1992-06-23 1994-01-28 太陽誘電株式会社 Variable voltage filter circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH067315U (en) * 1992-06-23 1994-01-28 太陽誘電株式会社 Variable voltage filter circuit

Also Published As

Publication number Publication date
JPS612325B2 (en) 1986-01-24

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