10th IEEE International NEWCAS Conference 2012
DOI: 10.1109/newcas.2012.6328947
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VHDL-AMS model of an injection locked VCO

Abstract: A VHDL-AMS model of an injection locked voltage controlled oscillator is presented in this paper. The model is valid for any harmonic of the synchronization signal. Properties such as locking-range, bandwidth and settling time are taken into account. The model is used in mixed simulations to reduce the computation time. A comparison with a schematic LC oscillator shows very good correlation.

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Cited by 4 publications
(2 citation statements)
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“…When the phase error between the input data and the sampled data is small, we can assume that their frequencies are very close. Though as we can see in [7], when an ILO frequency is very close to its injected frequency, its phase will lock with it. So the feedback loop can be open.…”
Section: Windowed Phase Compratormentioning
confidence: 94%
“…When the phase error between the input data and the sampled data is small, we can assume that their frequencies are very close. Though as we can see in [7], when an ILO frequency is very close to its injected frequency, its phase will lock with it. So the feedback loop can be open.…”
Section: Windowed Phase Compratormentioning
confidence: 94%
“…Επιπρόσθετα, υλοποιήθηκε ένα Verilog-AMS 2.4GHz VCO μοντέλο για χρήση σε IP (Intellectual Property) ή SoC συστήματα [57], το οποίο εμφάνισε μεγαλύτερη ταχύτητα προσομοίωσης σε σύγκριση με ένα SPICE μοντέλο αναφοράς, ενώ ταυτόχρονα διατήρησε έναν υψηλό βαθμό ακρίβειας. Τέλος, προτάθηκε ένα VHDL-AMS injection locked VCO μοντέλο [58], το οποίο ενσωμάτωσε αναλογικά χαρακτηριστικά, όπως το εύρος ζώνης, ο χρόνος ρύθμισης (settling time) και η περιοχή κλειδώματος (locking range). Παρόλα αυτά, ο κύριος σκόπος αυτής της μελέτης ήταν να πετύχει καλύτερους χρόνους υπολογισμού όταν χρησιμοποιείται σε προσομοιώσεις mixed-signal εφαρμογών, εμφανίζοντας ταυτόχρονα έναν επιθυμητό βαθμό ακρίβειας εν συγκρίσει με ένα SPICE LC VCO μοντέλο αναφοράς.…”
Section: προηγούμενες προσεγγίσεις μοντελοποίησης για κυκλώματα Voltage-controlled Oscillator (Vco)unclassified