CA2306977C - Oscillateur verrouille en phase avec integrateur numerique ameliore - Google Patents

Oscillateur verrouille en phase avec integrateur numerique ameliore Download PDF

Info

Publication number
CA2306977C
CA2306977C CA 2306977 CA2306977A CA2306977C CA 2306977 C CA2306977 C CA 2306977C CA 2306977 CA2306977 CA 2306977 CA 2306977 A CA2306977 A CA 2306977A CA 2306977 C CA2306977 C CA 2306977C
Authority
CA
Canada
Prior art keywords
digital
phase
frequency
voltage
lead
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.)
Expired - Fee Related
Application number
CA 2306977
Other languages
English (en)
Other versions
CA2306977A1 (fr
Inventor
Lloyd Lynn Lautzenhiser
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.)
Emhiser Research Ltd
Original Assignee
Emhiser Research 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
Priority claimed from US09/353,406 external-priority patent/US6417738B1/en
Priority claimed from US09/540,352 external-priority patent/US6411237B1/en
Application filed by Emhiser Research Ltd filed Critical Emhiser Research Ltd
Publication of CA2306977A1 publication Critical patent/CA2306977A1/fr
Application granted granted Critical
Publication of CA2306977C publication Critical patent/CA2306977C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CA 2306977 1999-07-15 2000-04-28 Oscillateur verrouille en phase avec integrateur numerique ameliore Expired - Fee Related CA2306977C (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US09/353,406 US6417738B1 (en) 1997-10-21 1999-07-15 Adaptive frequency-hopping oscillators
US09/353,406 1999-07-15
US09/540,352 2000-03-31
US09/540,352 US6411237B1 (en) 1997-10-21 2000-03-31 Nonlinear digital-to-analog converters
US55175900A 2000-04-18 2000-04-18
US09/551,759 2000-04-18

Publications (2)

Publication Number Publication Date
CA2306977A1 CA2306977A1 (fr) 2001-01-15
CA2306977C true CA2306977C (fr) 2006-04-04

Family

ID=27408114

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2306977 Expired - Fee Related CA2306977C (fr) 1999-07-15 2000-04-28 Oscillateur verrouille en phase avec integrateur numerique ameliore

Country Status (1)

Country Link
CA (1) CA2306977C (fr)

Also Published As

Publication number Publication date
CA2306977A1 (fr) 2001-01-15

Similar Documents

Publication Publication Date Title
US4272729A (en) Automatic pretuning of a voltage controlled oscillator in a frequency synthesizer using successive approximation
US6771133B2 (en) Phase-locked oscillator with improved digital integrator
US5130671A (en) Phase-locked loop frequency tracking device including a direct digital synthesizer
US6417738B1 (en) Adaptive frequency-hopping oscillators
US5495206A (en) Fractional N frequency synthesis with residual error correction and method thereof
US4568888A (en) PLL Fast frequency synthesizer with memories for coarse tuning and loop gain correction
KR101208846B1 (ko) 2 포인트 fsk 변조를 사용하는 주파수 합성기 및 이를 위한 셀프-교정 방법
US6774740B1 (en) System for highly linear phase modulation
US5355101A (en) Quadrature modulator having circuit for correcting phase error
US5184092A (en) Phase-locked loop frequency tracking device including a direct digital synthesizer
US4190807A (en) Sampled error phaselock or frequencylock systems
WO2000046927A1 (fr) Procede et systeme de synthese de frequence a boucle a phase asservie module en trois points
US4593254A (en) VCO centering circuit
US5150082A (en) Center frequency calibration for DC coupled frequency modulation in a phase-locked loop
GB2040133A (en) Fm cw radar distance measuring apparatus
US6411237B1 (en) Nonlinear digital-to-analog converters
US20040041638A1 (en) Digital modulation synthesizer
US6674331B2 (en) Method and apparatus for simplified tuning of a two-point modulated PLL
US5053728A (en) Phase locked loop frequency modulator using data modulated digital synthesizer as reference
CA2306977C (fr) Oscillateur verrouille en phase avec integrateur numerique ameliore
US4590445A (en) Device for generating a frequency modulated signal
US20070109067A1 (en) Phase lock loop RF modulator system
CN1717861B (zh) 使用频率偏移补偿的调制器和方法
EP2066036B1 (fr) Caractérisation de synthétiseur en temps réel
US5399998A (en) Digital FM modulator

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed