Wideband FM detection using an adaptive second order TDTL

Khalid Al-Zaabi, Saleh Al-Araji, Mahmoud Al-Qutayri

Research output: Contribution to conferencePaperpeer-review

2 Scopus citations

Abstract

In this work a Time Delay Tanlock loop (TDTL) with an adaptive loop mechanism for faster acquisition and more reliable locking is proposed. The Adaptive loop is designed to preserve the high SNR properties of the second order TDTL and overcomes its frequency locking limitation. This achieved by adjusting the loop digital filter coefficients and the Digital Controlled Oscillator frequency when the system is subjected to large frequency disturbances that cause the loop to go out of lock. The sensing of the frequency disturbances and the adaptation process is automatically controlled by a Finite State Machine (FSM).

Original languageBritish English
Pages432-436
Number of pages5
StatePublished - 2005
Event9th International Symposium on Consumer Electronics 2005, ISCE 2005 - , Macao
Duration: 14 Jun 200516 Jun 2005

Conference

Conference9th International Symposium on Consumer Electronics 2005, ISCE 2005
Country/TerritoryMacao
Period14/06/0516/06/05

Keywords

  • Adaptive digital tanlock loop
  • Digital phase lock loops
  • Wideband FM detection

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