JPH0249229U - - Google Patents

Info

Publication number
JPH0249229U
JPH0249229U JP12724188U JP12724188U JPH0249229U JP H0249229 U JPH0249229 U JP H0249229U JP 12724188 U JP12724188 U JP 12724188U JP 12724188 U JP12724188 U JP 12724188U JP H0249229 U JPH0249229 U JP H0249229U
Authority
JP
Japan
Prior art keywords
circuit
phase comparison
pll
operating point
comparison circuit
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
JP12724188U
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 JP12724188U priority Critical patent/JPH0249229U/ja
Publication of JPH0249229U publication Critical patent/JPH0249229U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Description

【図面の簡単な説明】
第１図乃至第３図はこの考案に係るＰＬＬ回路
の実施例を示し、第１図はブロツク図、第２図は
動作点を示す位相比較回路の特性図、第３図は他
の実施例を示すブロツク図である。第４図乃至第
９図は従来の実施例を示し、第４図は従来のブロ
ツク図、第５図は位相比較回路の理想的な特性を
示す特性図、第６図及び第７図は不感帯を有する
従来の位相比較回路の一般的な特性図、第８図は
他の実施例を示す従来のブロツク図、第９図は第
４図及び第８図に示す位相比較回路の動作点を示
す特性図である。 主な符号の説明、１：電圧制御発振回路、２：
プログラマブル分周回路、３：位相比較回路、４
：水晶発振回路、５：アクテイブローパスフイル
タ回路、７：電源、９：動作点調整回路、Ａ：不
感帯、Ｂ１，Ｂ２：動作点。

Claims (1)

  1. 【実用新案登録請求の範囲】 電圧制御発振回路とプログラマブル分周回路と
    位相比較回路と水晶発振回路とアクテイブローパ
    スフイルタ回路とからなるＰＬＬ回路において、 前記位相比較回路の動作点を調整するための動
    作点調整回路を設けたことを特徴とするＰＬＬ回
    路。
JP12724188U 1988-09-30 1988-09-30 Pending JPH0249229U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12724188U JPH0249229U (ja) 1988-09-30 1988-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12724188U JPH0249229U (ja) 1988-09-30 1988-09-30

Publications (1)

Publication Number Publication Date
JPH0249229U true JPH0249229U (ja) 1990-04-05

Family

ID=31379495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12724188U Pending JPH0249229U (ja) 1988-09-30 1988-09-30

Country Status (1)

Country Link
JP (1) JPH0249229U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009268047A (ja) * 2008-04-29 2009-11-12 Renesas Technology Corp Ｐｌｌ回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846728A (ja) * 1981-09-14 1983-03-18 Toshiba Corp 移相回路
JPS6276324A (ja) * 1985-09-27 1987-04-08 Japan Radio Co Ltd 周波数シンセサイザ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846728A (ja) * 1981-09-14 1983-03-18 Toshiba Corp 移相回路
JPS6276324A (ja) * 1985-09-27 1987-04-08 Japan Radio Co Ltd 周波数シンセサイザ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009268047A (ja) * 2008-04-29 2009-11-12 Renesas Technology Corp Ｐｌｌ回路
JP2013102458A (ja) * 2008-04-29 2013-05-23 Renesas Electronics Corp Ｐｌｌ回路
US8754713B2 (en) 2008-04-29 2014-06-17 Renesas Electronics Corporation PLL circuit with improved phase difference detection

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