Hardware implementation of optimal CALLUM transmitter

D Jennings, JP McGeehan

Research output: Contribution to journalArticle (Academic Journal)peer-review

3 Citations (Scopus)


The combined analogue locked-loop universal modulator (CALLUM) is a power-efficient, linear transmitter. The optimal CALLUM1 system requires the calculation of nonlinear functions of system variables by a DSP. Such a system has been constructed and results in response to π/4-DQPSK modulation are given
Translated title of the contributionHardware implementation of optimal CALLUM transmitter
Original languageEnglish
Article number19
Pages (from-to)1816 - 1817
JournalElectronics Letters
Issue number19
Publication statusPublished - Sep 1998

Bibliographical note

Rose publication type: Journal article


  • circuit feedback
  • differential phase shift keying
  • radio transmitters


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