KR19980081411A - 저잡음 분주기 - Google Patents
저잡음 분주기 Download PDFInfo
- Publication number
- KR19980081411A KR19980081411A KR1019980013388A KR19980013388A KR19980081411A KR 19980081411 A KR19980081411 A KR 19980081411A KR 1019980013388 A KR1019980013388 A KR 1019980013388A KR 19980013388 A KR19980013388 A KR 19980013388A KR 19980081411 A KR19980081411 A KR 19980081411A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- divider
- input
- frequency
- output
- Prior art date
Links
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 230000003071 parasitic effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 101100171060 Caenorhabditis elegans div-1 gene Proteins 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/40—Gating or clocking signals applied to all stages, i.e. synchronous counters
- H03K23/50—Gating or clocking signals applied to all stages, i.e. synchronous counters using bi-stable regenerative trigger circuits
- H03K23/54—Ring counters, i.e. feedback shift register counters
- H03K23/542—Ring counters, i.e. feedback shift register counters with crossed-couplings, i.e. Johnson counters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Description
Claims (3)
- 제 1 주파수를 갖는 신호를 수신하도록 되어 있는 대칭 입력단과, N이 최소한 2인 소정의 정수라 할 때 상기 제 1 주파수의 값보다 2N배 더 낮은 값의 제 2 주파수를 갖는 신호를 수신하도록 되어 있는 대칭 출력단을 구비한 분주기로서, ECL 기술로 실현된 메모리셀들로 구성되어지고 이 각각의 메모리셀은 대칭 데이터 입력단, 대칭 클록 입력단, 대칭 데이터 출력단을 갖는 분주기를 포함하고 있는 집적 회로에 있어서,상기 분주기는 상술한 유형의 2N 개의 메모리셀들을 포함하고 있으며, i=1 내지 2N-1에 대해서, 랭크(rank) i의 메모리셀로서 언급되는 i 번째 메모리셀의 데이터 출력단은 랭크 i+1의 메모리셀의 데이터 입력단에 접속되고, 랭크 2N의 메모리셀의 데이터 출력단은 랭크 1의 메모리셀의 데이터 입력단에 크로스 접속되고, 메모리셀들중 한 메모리셀의 데이터 출력단은 분주 회로의 출력단을 구성하고, 홀수 랭크의 각 메모리셀의 클록 입력단은 상기 분주 회로의 입력단에 접속되고, 짝수 랭크의 각 메모리셀의 클록 입력단은 상기 입력단에 크로스 접속되는 것을 특징으로 하는 집적 회로.
- 입력 주파수를 갖는 신호를 수신하도록 되어 있는 제 1 입력단과, 제어 신호를 수신하도록 되어 있는 제 2 입력단과, 출력단을 구비하고 있는 프로그램가능 분주기를 포함하고 있고, 이 프로그램가능 분주기는,상기 프로그램가능 분주기의 입력을 구성하는 입력단과, P가 소정의 정수인 경우, 입력 주파수의 값보다 2P배 더 낮은 값의 중간 주파수를 갖는 신호를 공급하도록 되어 있는 출력단을 갖는 제 1 분주기와,상기 제 1 분주기의 출력단에 접속된 입력단과, K가 실수이고 그 값이 상기 제어 신호의 값에 의해 결정되는 중간 주파수보다 K배 더 낮은 값의 출력 주파수를 갖는 신호를 공급하도록 되어 있는 출력단으로서, 상기 프로그램가능 분주기의 출력을 구성하는 출력단을 갖는 제 2 분주기를 포함하고 있는 집적 회로에 있어서,P는 N 이상이 되고, 상기 제 1 분주기는 제 1 항에서 청구한 분주기를 적어도 포함하고 있는 것을 특징으로 하는 집적 회로.
- 전기 무선 신호를 수신하도록 되어 있는 신호 입력단과, 선택될 전기 무선 신호의 주파수를 규정하는 제어 신호를 수신하도록 되어 있는 제 2 제어 입력단과, 출력단을 구비하고 있는 선택 장치로서, 이 선택 장치는,동조 입력단, 및 주파수가 상기 동조 입력단에 인가된 신호의 값에 의존하는 신호를 공급하는 출력단을 갖는 발진기와,상기 장치의 신호 입력을 구성하는 제 1 입력단과, 상기 발진기의 출력단에 접속된 제 2 입력단과, 상기 장치의 출력을 구성하고 주파수가 상기 제 1 입력단에 수신된 신호의 주파수 및 상기 제 2 입력단에 수신된 신호의 주파수 간의 차와 같은 신호를 공급하는 출력단을 갖는 믹서와,상기 발진기의 출력단에 접속된 제 1 입력단과, 상기 장치의 제어 입력단을 구성하는 제 2 입력단과, 주파수가 제어 신호에 의해 규정되는 신호를 공급하도록 되어 있는 출력단을 갖는 프로그램가능 분주기와,고정된 주파수의 기준 신호를 수신하도록 되어 있는 제 1 입력단과, 상기 분주기의 출력단에 접속된 제 2 입력단과, 상기 발진기의 동조 입력단에 접속되어서 신호값이 입력 신호의 위상들 간의 차에 의존하는 신호를 출력단에서 공급하는 수단을 구비한 출력단을 갖는 위상 검출기를 포함하고 있는 선택 장치에 있어서,상기 프로그램가능 분주기는 제 2 항에서 청구한 분주기인 것을 특징으로 하는 선택 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9704598 | 1997-04-15 | ||
FR9704598 | 1997-04-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980081411A true KR19980081411A (ko) | 1998-11-25 |
KR100538663B1 KR100538663B1 (ko) | 2006-03-14 |
Family
ID=9505908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980013388A KR100538663B1 (ko) | 1997-04-15 | 1998-04-15 | 저잡음분주기 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6163182A (ko) |
EP (1) | EP0872959B1 (ko) |
JP (1) | JPH118550A (ko) |
KR (1) | KR100538663B1 (ko) |
DE (1) | DE69820326T2 (ko) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19843199A1 (de) * | 1998-09-15 | 2000-03-16 | Hans Gustat | Frequenzteiler |
US6597212B1 (en) * | 2002-03-12 | 2003-07-22 | Neoaxiom Corporation | Divide-by-N differential phase interpolator |
US6683932B1 (en) | 2002-07-23 | 2004-01-27 | Bae Systems, Information And Electronic Systems Integration, Inc. | Single-event upset immune frequency divider circuit |
US7395286B1 (en) * | 2004-01-05 | 2008-07-01 | National Semiconductor Corporation | Method for generating non-overlapping N-phases of divide-by-N clocks with precise 1/N duty ratio using a shift register |
US7671641B1 (en) * | 2004-03-11 | 2010-03-02 | St-Ericsson Sa | Frequency divider |
EP1776765B1 (en) * | 2004-08-06 | 2016-11-30 | Nxp B.V. | Frequency divider |
US7285993B2 (en) * | 2004-10-29 | 2007-10-23 | Broadcom Corporation | Method and system for a divide by N circuit with dummy load for multiband radios |
EP1693965A1 (en) * | 2005-02-22 | 2006-08-23 | STMicroelectronics S.r.l. | Six phases synchronous by-4 loop frequency divider |
US7173470B2 (en) * | 2005-03-11 | 2007-02-06 | Analog Devices, Inc. | Clock sources and methods with reduced clock jitter |
EP1900097A2 (en) * | 2005-06-30 | 2008-03-19 | Nxp B.V. | Differential multiphase frequency divider |
EP1900098B1 (en) * | 2005-06-30 | 2014-06-04 | Nytell Software LLC | Multi-phase frequency divider |
JP2009212736A (ja) * | 2008-03-04 | 2009-09-17 | Fujitsu Microelectronics Ltd | 半導体集積回路 |
TWI357719B (en) * | 2008-06-25 | 2012-02-01 | Richwave Technology Corp | Triple division ratio divider,programmable divider |
KR100969864B1 (ko) | 2008-09-03 | 2010-07-15 | 한국과학기술원 | Cml 타입 d 플립-플롭 및 이를 이용한 주파수 홀수 분주기 |
US8058901B2 (en) * | 2008-09-19 | 2011-11-15 | Qualcomm Incorporated | Latch structure, frequency divider, and methods for operating same |
JP5837617B2 (ja) * | 2011-01-28 | 2015-12-24 | コーヒレント・ロジックス・インコーポレーテッド | オクターブ境界を越えて拡張された同期範囲を有する分周器 |
JP5318933B2 (ja) * | 2011-11-15 | 2013-10-16 | シャープ株式会社 | ラッチ回路、分周回路及びpll周波数シンセサイザ |
US9948309B2 (en) * | 2014-11-14 | 2018-04-17 | Texas Instruments Incorporated | Differential odd integer divider |
WO2016089260A1 (en) | 2014-12-02 | 2016-06-09 | Telefonaktiebolaget Lm Ericsson (Publ) | An electronic latch, a method for an electronic latch, a frequency division by two and a 4-phase generator |
CN105743497B (zh) * | 2014-12-08 | 2018-12-07 | 中芯国际集成电路制造(上海)有限公司 | 分频器及其方法以及包含该分频器的锁相环和半导体装置 |
US9647669B1 (en) * | 2016-07-18 | 2017-05-09 | Texas Instruments Incorporated | High speed frequency divider |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5484471A (en) * | 1977-12-19 | 1979-07-05 | Toshiba Corp | Anti-phase clock type ring counter |
US5020082A (en) * | 1988-06-15 | 1991-05-28 | Seiko Epson Corporation | Asynchronous counter |
JP2853894B2 (ja) * | 1990-08-24 | 1999-02-03 | 三菱電機株式会社 | 分周回路及びパルス信号作成回路 |
DE4340966C1 (de) * | 1993-12-01 | 1995-01-19 | Siemens Ag | Schaltungsanordnung zur Erzeugung gerader Tastverhältnisse |
KR950022143A (ko) * | 1993-12-15 | 1995-07-28 | 문정환 | 주파수 가변 분주회로 |
JP2555978B2 (ja) * | 1994-05-27 | 1996-11-20 | 日本電気株式会社 | 分周回路 |
-
1998
- 1998-04-09 DE DE1998620326 patent/DE69820326T2/de not_active Expired - Lifetime
- 1998-04-09 EP EP98201149A patent/EP0872959B1/fr not_active Expired - Lifetime
- 1998-04-14 US US09/060,089 patent/US6163182A/en not_active Expired - Lifetime
- 1998-04-15 JP JP10104717A patent/JPH118550A/ja active Pending
- 1998-04-15 KR KR1019980013388A patent/KR100538663B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69820326D1 (de) | 2004-01-22 |
US6163182A (en) | 2000-12-19 |
EP0872959A1 (fr) | 1998-10-21 |
DE69820326T2 (de) | 2004-11-18 |
JPH118550A (ja) | 1999-01-12 |
KR100538663B1 (ko) | 2006-03-14 |
EP0872959B1 (fr) | 2003-12-10 |
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