[go: up one dir, main page]

Gardner, 2002 - Google Patents

Frequency granularity in digital phaselock loops

Gardner, 2002

Document ID
8640541068630454998
Author
Gardner F
Publication year
Publication venue
IEEE transactions on communications

External Links

Snippet

The frequency of a digital phaselock loop (DPLL) is necessarily quantized. Feedback around the quantizing nonlinearity leads to a steady-state limit cycle. Properties of the limit cycle were obtained by computer simulation, and are reported here. Empirical formulas for …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/093Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/099Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0991Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02Generators characterised by the type of circuit or by the means used for producing pulses
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/16Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source using uncontrolled rectifying devices, e.g. rectifying diodes or Schottky diodes
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input

Similar Documents

Publication Publication Date Title
Gardner Frequency granularity in digital phaselock loops
Da Dalt A design-oriented study of the nonlinear dynamics of digital bang-bang PLLs
Lee Analysis of jitter in phase-locked loops
Da Dalt Linearized analysis of a digital bang-bang PLL and its validity limits applied to jitter transfer and jitter generation
JP3805820B2 (en) Method and apparatus for a frequency detection circuit for use in a phase locked loop
US6642800B2 (en) Spurious-free fractional-N frequency synthesizer with multi-phase network circuit
Zhuang et al. A low-power all-digital PLL architecture based on phase prediction
CN107769771B (en) Phase-locked loop
US6538516B2 (en) System and method for synchronizing multiple phase-lock loops or other synchronizable oscillators without using a master clock signal
US12191866B2 (en) Linear prediction to suppress spurs in a digital phase-locked loop
Żółtowski Some advances and refinements in digital phase-locked loops (DPLLs)
US7664166B2 (en) Pleisiochronous repeater system and components thereof
Vamvakos et al. Discrete-time, linear periodically time-variant phase-locked loop model for jitter analysis
Holmes et al. A second-order all-digital phase-locked loop
Perišić et al. Time recursive frequency locked loop for the tracking applications
Tertinek et al. Statistical analysis of first-order bang-bang phase-locked loops using sign-dependent random-walk theory
US6271702B1 (en) Clock circuit for generating a delay
Bueno et al. Modeling and filtering double-frequency jitter in one-way master–slave chain networks
Rohail et al. A Tutorial on Frequency Stability Fundamentals
CN101060330B (en) A broken number frequency division synthesizer
Casha et al. Analysis of the spur characteristics of edge-combining DLL-based frequency multipliers
Al-Ibrahim et al. Digital sinusoidal oscillator with low and uniform frequency spacing
Efstathiou et al. High speed frequency synthesizer based on PLL
Milotti Amplitude to phase noise conversion in electronic circuits
Pavljasevic et al. Synchronization to utility network signals containing a high level of disturbances