JP2006245672A - ２系統ｐｌｌ周波数シンセサイザ - Google Patents

２系統ｐｌｌ周波数シンセサイザ Download PDF

Info

Publication number
JP2006245672A
JP2006245672A JP2005054667A JP2005054667A JP2006245672A JP 2006245672 A JP2006245672 A JP 2006245672A JP 2005054667 A JP2005054667 A JP 2005054667A JP 2005054667 A JP2005054667 A JP 2005054667A JP 2006245672 A JP2006245672 A JP 2006245672A
Authority
JP
Japan
Prior art keywords
frequency synthesizer
pll frequency
current source
constant current
current mirror
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.)
Withdrawn
Application number
JP2005054667A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006245672A5 (enExample
Inventor
Chiko Maeda
智晃 前田
Junji Ohara
淳史 大原
Koichi Mizuno
紘一 水野
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2005054667A priority Critical patent/JP2006245672A/ja
Priority to US11/360,817 priority patent/US20060192621A1/en
Publication of JP2006245672A publication Critical patent/JP2006245672A/ja
Publication of JP2006245672A5 publication Critical patent/JP2006245672A5/ja
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L3/00—Starting of generators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/0802—Details of the phase-locked loop the loop being adapted for reducing power consumption

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP2005054667A 2005-02-28 2005-02-28 ２系統ｐｌｌ周波数シンセサイザ Withdrawn JP2006245672A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005054667A JP2006245672A (ja) 2005-02-28 2005-02-28 ２系統ｐｌｌ周波数シンセサイザ
US11/360,817 US20060192621A1 (en) 2005-02-28 2006-02-24 Two-system PLL frequency synthesizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005054667A JP2006245672A (ja) 2005-02-28 2005-02-28 ２系統ｐｌｌ周波数シンセサイザ

Publications (2)

Publication Number Publication Date
JP2006245672A true JP2006245672A (ja) 2006-09-14
JP2006245672A5 JP2006245672A5 (enExample) 2006-10-26

Family

ID=36931481

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005054667A Withdrawn JP2006245672A (ja) 2005-02-28 2005-02-28 ２系統ｐｌｌ周波数シンセサイザ

Country Status (2)

Country Link
US (1) US20060192621A1 (enExample)
JP (1) JP2006245672A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015033141A (ja) * 2013-08-05 2015-02-16 スンシル ユニバーシティー リサーチ コンソルティウム テクノーパークＳｏｏｎｇｓｉｌ Ｕｎｉｖｅｒｓｉｔｙ Ｒｅｓｅａｒｃｈ Ｃｏｎｓｏｒｔｉｕｍ Ｔｅｃｈｎｏ−Ｐａｒｋ スイッチングキャパシタを利用したスルーレート調節装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5702124B2 (ja) * 2010-12-02 2015-04-15 ラピスセミコンダクタ株式会社 無線通信装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002353809A (ja) * 2001-05-28 2002-12-06 Mitsubishi Electric Corp クロック発生回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015033141A (ja) * 2013-08-05 2015-02-16 スンシル ユニバーシティー リサーチ コンソルティウム テクノーパークＳｏｏｎｇｓｉｌ Ｕｎｉｖｅｒｓｉｔｙ Ｒｅｓｅａｒｃｈ Ｃｏｎｓｏｒｔｉｕｍ Ｔｅｃｈｎｏ−Ｐａｒｋ スイッチングキャパシタを利用したスルーレート調節装置

Also Published As

Publication number Publication date
US20060192621A1 (en) 2006-08-31

Similar Documents

Publication Publication Date Title
US8076986B2 (en) Switching capacitor generation circuit
US8671286B2 (en) Automatically switching power supply sources for a clock circuit
US6727735B2 (en) Charge pump circuit for reducing jitter
US6680656B2 (en) Function generator with adjustable oscillating frequency
JPH09148888A (ja) 電圧制御可変同調回路
TWI536738B (zh) 互補式開關的射頻切換器
KR101952857B1 (ko) 스위칭 회로 및 이를 포함하는 고주파 스위치
JP2008252774A (ja) 電圧制御発振器、及び電圧制御発振方法
KR20140096625A (ko) 동적 전압 주파수 변환 장치
US6943633B2 (en) Widely tunable ring oscillator utilizing active negative capacitance
US9634651B1 (en) Delay apparatus
JP2006245672A (ja) ２系統ｐｌｌ周波数シンセサイザ
US6603366B2 (en) Trimmable oscillator
JPH11167422A (ja) ３端子レギュレータ
JP2009253401A (ja) 容量切り換え回路、ｖｃｏ、およびｐｌｌ回路
US6054904A (en) Voltage controlled ring oscillator and charge pump circuit
JP4960807B2 (ja) 可変周波数発振回路
JP4653000B2 (ja) プリスケーラ及びバッファ
JP2005323030A (ja) スイッチ半導体集積回路
JP4650026B2 (ja) 電力増幅器
JP2024140972A (ja) 発振回路、半導体集積回路
JPH06125252A (ja) 遅延回路装置
JP5617742B2 (ja) 高周波スイッチモジュール
KR100634952B1 (ko) 스위칭 회로 및 그것을 갖는 전압 제어 발진 장치
JP2004179706A (ja) 二周波切替型の水晶発振器

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060726

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060726

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20061129

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20070731