Optimisation of the Wolfson SSB radio receiver

JP McGeehan, G Lightfoot, A Lymer, W Gosling

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

4 Citations (Scopus)


Reviews briefly the advantages and disadvantages of tone-in-band SSB in relation to its competitors and describes the receiver developed for VHF. Particular attention is paid both to the `in-lock' performance of the phaselocked loop in the presence of modulation and to the behaviour of the acquisition technique in the fading environment. It is shown both that it is necessary to protect the tone-locked phaselocked loop from neighbouring modulation energy by means of appropriate filtering in the transmitter audio processing and that further protection is required under multipath propagation conditions to prevent the acquisition aid from overriding the modulation interference immunity thus achieved. A solution to the latter problem, called `time hysteresis' is described. Moreover, the techniques are applicable to all three SSB systems
Translated title of the contributionOptimisation of the Wolfson SSB radio receiver
Original languageEnglish
Title of host publicationClerk Maxwell Commemorative Conference on Radio Receivers and Associated Systems
PublisherInstitution of Electronic and Radio Engineers (IERE)
Pages417 - 428
Number of pages13
ISBN (Print)0903748452
Publication statusPublished - Jul 1981
EventConference on Radio Receivers and Associated Systems - Leeds, United Kingdom
Duration: 1 Jul 1981 → …


ConferenceConference on Radio Receivers and Associated Systems
CountryUnited Kingdom
Period1/07/81 → …

Bibliographical note

Conference Proceedings/Title of Journal: Clerk Maxwell Commemorative Conference on Radio Receivers and Associated Systems
Rose publication type: Conference contribution

Sponsorship: The authors wish to thank DF Burrows for his useful comments on FBAGC performance and D Hatten for building much of the equipment. A Lymer is grateful to the UK Science Research Council for the award of a CASE studentship which was supported by GEC-Marconi


  • mobile radio systems
  • radio receivers
  • phase locked loops

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