KR930009902U - IF Bandwidth Switching Circuit of Satellite Broadcast Tuner - Google Patents

IF Bandwidth Switching Circuit of Satellite Broadcast Tuner

Info

Publication number
KR930009902U
KR930009902U KR2019910018239U KR910018239U KR930009902U KR 930009902 U KR930009902 U KR 930009902U KR 2019910018239 U KR2019910018239 U KR 2019910018239U KR 910018239 U KR910018239 U KR 910018239U KR 930009902 U KR930009902 U KR 930009902U
Authority
KR
South Korea
Prior art keywords
switching circuit
satellite broadcast
broadcast tuner
bandwidth switching
bandwidth
Prior art date
Application number
KR2019910018239U
Other languages
Korean (ko)
Other versions
KR960004768Y1 (en
Inventor
송석찬
Original Assignee
삼성전기 주식회사
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 삼성전기 주식회사 filed Critical 삼성전기 주식회사
Priority to KR2019910018239U priority Critical patent/KR960004768Y1/en
Publication of KR930009902U publication Critical patent/KR930009902U/en
Application granted granted Critical
Publication of KR960004768Y1 publication Critical patent/KR960004768Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Superheterodyne Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
KR2019910018239U 1991-10-30 1991-10-30 If band width switching of tunner KR960004768Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910018239U KR960004768Y1 (en) 1991-10-30 1991-10-30 If band width switching of tunner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910018239U KR960004768Y1 (en) 1991-10-30 1991-10-30 If band width switching of tunner

Publications (2)

Publication Number Publication Date
KR930009902U true KR930009902U (en) 1993-05-26
KR960004768Y1 KR960004768Y1 (en) 1996-06-08

Family

ID=19321353

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910018239U KR960004768Y1 (en) 1991-10-30 1991-10-30 If band width switching of tunner

Country Status (1)

Country Link
KR (1) KR960004768Y1 (en)

Also Published As

Publication number Publication date
KR960004768Y1 (en) 1996-06-08

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee