JPH0357684U - - Google Patents

Info

Publication number
JPH0357684U
JPH0357684U JP11941189U JP11941189U JPH0357684U JP H0357684 U JPH0357684 U JP H0357684U JP 11941189 U JP11941189 U JP 11941189U JP 11941189 U JP11941189 U JP 11941189U JP H0357684 U JPH0357684 U JP H0357684U
Authority
JP
Japan
Prior art keywords
signal
circuit
output
frequency conversion
amplification
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
JP11941189U
Other languages
English (en)
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 filed Critical
Priority to JP11941189U priority Critical patent/JPH0357684U/ja
Publication of JPH0357684U publication Critical patent/JPH0357684U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Radar Systems Or Details Thereof (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例における衛星放送受
信用チユーナのブロツク図、第2図はフイルタの
第1実施例を示す図、第3図はフイルタの第2実
施例を示す図、第4図はフイルタの第3実施例を
示す図、第5図は従来の衛星放送受信用チユーナ
のブロツク図である。 2……第1IF増巾回路、3……周波数変換回
路、5……IFフイルタ、6……第2IF増巾回
路、7……FM復調回路、8……AGC制御回路
、9,9,9′,9″,9……フイルタ。

Claims (1)

  1. 【実用新案登録請求の範囲】 衛星放送受信用コンバータからの第1IF信号
    と局部発振器出力とを混合して第2IF信号を得
    る周波数変換回路と、この周波数変換回路出力か
    ら第2IF信号のみを通過せしめるIFフイルタ
    と、前記第2IF信号を増巾する第2IF増巾回
    路と、前記第2IF信号をFM復調するFM復調
    回路と、前記第2IF増巾回路出力のレベルを検
    出し、このレベルに応じて発生する制御電圧によ
    り前記第2IF増巾回路の増巾度を制御するAG
    C制御回路とを備える衛星放送受信用チユーナに
    おいて、 前記AGC制御回路の前段に前記第2IF信号
    の高調波成分を除去するフイルタを設けてなる衛
    星放送受信用チユーナ。
JP11941189U 1989-10-12 1989-10-12 Pending JPH0357684U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11941189U JPH0357684U (ja) 1989-10-12 1989-10-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11941189U JPH0357684U (ja) 1989-10-12 1989-10-12

Publications (1)

Publication Number Publication Date
JPH0357684U true JPH0357684U (ja) 1991-06-04

Family

ID=31667537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11941189U Pending JPH0357684U (ja) 1989-10-12 1989-10-12

Country Status (1)

Country Link
JP (1) JPH0357684U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001128756A (ja) * 1999-11-05 2001-05-15 Mk Seiko Co Ltd パソコンデスク
US7341235B2 (en) 2001-11-12 2008-03-11 Nec Corporation Fixture for a display unit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53126897A (en) * 1977-04-12 1978-11-06 Hiroshi Fujita Radar
JPS53147497A (en) * 1977-05-27 1978-12-22 Japan Radio Co Ltd Radar duplexer circuit
JPS56168179A (en) * 1980-05-29 1981-12-24 Koden Electronics Co Ltd Echo ranging device
JPS6033070A (ja) * 1983-08-04 1985-02-20 Mitsubishi Electric Corp レ−ダ装置
JPH01153990A (ja) * 1987-12-10 1989-06-16 Furuno Electric Co Ltd レーダーのメインバング・サプレッサ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53126897A (en) * 1977-04-12 1978-11-06 Hiroshi Fujita Radar
JPS53147497A (en) * 1977-05-27 1978-12-22 Japan Radio Co Ltd Radar duplexer circuit
JPS56168179A (en) * 1980-05-29 1981-12-24 Koden Electronics Co Ltd Echo ranging device
JPS6033070A (ja) * 1983-08-04 1985-02-20 Mitsubishi Electric Corp レ−ダ装置
JPH01153990A (ja) * 1987-12-10 1989-06-16 Furuno Electric Co Ltd レーダーのメインバング・サプレッサ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001128756A (ja) * 1999-11-05 2001-05-15 Mk Seiko Co Ltd パソコンデスク
US7341235B2 (en) 2001-11-12 2008-03-11 Nec Corporation Fixture for a display unit

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