NZ507556A - Phase lock loop frequency synthesis controller includes digital modulator - Google Patents

Phase lock loop frequency synthesis controller includes digital modulator

Info

Publication number
NZ507556A
NZ507556A NZ507556A NZ50755699A NZ507556A NZ 507556 A NZ507556 A NZ 507556A NZ 507556 A NZ507556 A NZ 507556A NZ 50755699 A NZ50755699 A NZ 50755699A NZ 507556 A NZ507556 A NZ 507556A
Authority
NZ
New Zealand
Prior art keywords
output
phase lock
lock loop
digital modulator
controller includes
Prior art date
Application number
NZ507556A
Other languages
English (en)
Inventor
Stephen Ian Mann
Original Assignee
Tait Electronics 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 Tait Electronics Ltd filed Critical Tait Electronics Ltd
Priority to NZ507556A priority Critical patent/NZ507556A/xx
Publication of NZ507556A publication Critical patent/NZ507556A/xx

Links

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
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
    • H03L7/1976—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
NZ507556A 1999-04-14 1999-04-14 Phase lock loop frequency synthesis controller includes digital modulator NZ507556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NZ507556A NZ507556A (en) 1999-04-14 1999-04-14 Phase lock loop frequency synthesis controller includes digital modulator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ507556A NZ507556A (en) 1999-04-14 1999-04-14 Phase lock loop frequency synthesis controller includes digital modulator
NZ33519899A NZ335198A (en) 1999-04-14 1999-04-14 Cascaded sigma-delta modulators for fractional-N-division phase-lock-loop frequency systhesizer

Publications (1)

Publication Number Publication Date
NZ507556A true NZ507556A (en) 2002-10-25

Family

ID=19927215

Family Applications (3)

Application Number Title Priority Date Filing Date
NZ507555A NZ507555A (en) 1999-04-14 1999-04-14 Phase lock loop frequency synthesis with extended range of fractional divisors
NZ507556A NZ507556A (en) 1999-04-14 1999-04-14 Phase lock loop frequency synthesis controller includes digital modulator
NZ33519899A NZ335198A (en) 1999-04-14 1999-04-14 Cascaded sigma-delta modulators for fractional-N-division phase-lock-loop frequency systhesizer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NZ507555A NZ507555A (en) 1999-04-14 1999-04-14 Phase lock loop frequency synthesis with extended range of fractional divisors

Family Applications After (1)

Application Number Title Priority Date Filing Date
NZ33519899A NZ335198A (en) 1999-04-14 1999-04-14 Cascaded sigma-delta modulators for fractional-N-division phase-lock-loop frequency systhesizer

Country Status (6)

Country Link
EP (1) EP1171954A4 (xx)
CN (1) CN1347591A (xx)
AU (1) AU3847500A (xx)
CA (1) CA2370254A1 (xx)
NZ (3) NZ507555A (xx)
WO (1) WO2000062428A2 (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2403085B (en) * 2002-03-28 2005-09-07 Kaben Res Inc Phase error cancellation circuit and method for fractional frequency dividers and circuits incorporating same
US7072633B2 (en) * 2002-05-31 2006-07-04 Broadcom Corporation Double-conversion television tuner using a Delta-Sigma Fractional-N PLL
JP2004104228A (ja) * 2002-09-05 2004-04-02 Matsushita Electric Ind Co Ltd 信号処理装置および信号処理方法、デルタ・シグマ変調型分数分周ｐｌｌ周波数シンセサイザ、無線通信機器、デルタ・シグマ変調型ｄ／ａ変換器
US6928127B2 (en) * 2003-03-11 2005-08-09 Atheros Communications, Inc. Frequency synthesizer with prescaler
GB2409383B (en) 2003-12-17 2006-06-21 Wolfson Ltd Clock synchroniser
WO2005096502A1 (en) 2004-04-02 2005-10-13 Kaben Research Inc. Multiple stage delta sigma modulators
CN1318212C (zh) * 2004-07-30 2007-05-30 深圳市东方宇之光电子科技有限公司 用于激光照排机中校正图像几何误差的方法及装置
WO2011079471A1 (zh) * 2009-12-31 2011-07-07 海能达通信股份有限公司 一种优化小数杂散的方法及系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2107142B (en) * 1981-10-07 1984-10-10 Marconi Co Ltd Frequency synthesisers
GB2140232B (en) * 1983-05-17 1986-10-29 Marconi Instruments Ltd Frequency synthesisers
GB2228840B (en) * 1989-03-04 1993-02-10 Racal Dana Instr Ltd Frequency synthesisers
US5038117A (en) * 1990-01-23 1991-08-06 Hewlett-Packard Company Multiple-modulator fractional-N divider
US5055802A (en) * 1990-04-30 1991-10-08 Motorola, Inc. Multiaccumulator sigma-delta fractional-n synthesis
US5093632A (en) * 1990-08-31 1992-03-03 Motorola, Inc. Latched accumulator fractional n synthesis with residual error reduction
JP2001502157A (ja) * 1997-08-12 2001-02-13 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ マルチチャネル無線装置、無線通信システム及び分数分周比型周波数シンセサイザ
US6219397B1 (en) * 1998-03-20 2001-04-17 Samsung Electronics Co., Ltd. Low phase noise CMOS fractional-N frequency synthesizer for wireless communications
TW451558B (en) * 1999-06-29 2001-08-21 Ind Tech Res Inst Digitally controlled oscillator circuit of digital phase lock loop
JP3415574B2 (ja) * 2000-08-10 2003-06-09 Ｎｅｃエレクトロニクス株式会社 Ｐｌｌ回路
EP1193879A1 (fr) * 2000-09-29 2002-04-03 Koninklijke Philips Electronics N.V. Synthétiseur de fréquences à faible bruit et à réponse rapide, et procédé de synthèse de fréquences correspondant

Also Published As

Publication number Publication date
WO2000062428A2 (en) 2000-10-19
EP1171954A4 (en) 2002-10-30
AU3847500A (en) 2000-11-14
NZ507555A (en) 2002-10-25
WO2000062428A3 (en) 2001-11-01
NZ335198A (en) 2000-11-24
CA2370254A1 (en) 2000-10-19
EP1171954A2 (en) 2002-01-16
CN1347591A (zh) 2002-05-01

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Legal Events

Date Code Title Description
PSEA Patent sealed
RENW Renewal (renewal fees accepted)
ERR Error or correction

Free format text: THE OWNER HAS BEEN CORRECTED TO 121164, TAIT LIMITED, 558 WAIRAKEI ROAD, BURNSIDE, CHRISTCHURCH 8053, NZ

Effective date: 20140528