Analysis of instability in feedforward loop

PB Kenington; PA Warr; RJ Wilkinson

doi:10.1049/el:19971153

Analysis of instability in feedforward loop

PB Kenington, PA Warr, RJ Wilkinson

Research output: Contribution to journal › Article (Academic Journal) › peer-review

4 Citations (Scopus)

Abstract

Although the feedforward system is theoretically unconditionally stable, there are circumstances under which oscillation can occur. These oscillations are possible in both the error-determining loop and the error-cancellation loop and may occur in-band or out-of-band depending upon the parameters of the design. The authors analyse the circumstances under which oscillation is possible, and highlight the corrective action which may be taken in order to eliminate the possibility of its occurrence

Translated title of the contribution	Analysis of instability in feedforward loop
Original language	English
Pages (from-to)	1669 - 1671
Journal	Electronics Letters
Volume	33
Issue number	20
DOIs	https://doi.org/10.1049/el:19971153
Publication status	Published - Sept 1997

Bibliographical note

Publisher: Institution of Electrical Engineers (IEE)
Rose publication type: Journal article

Sponsorship: The authors are grateful to J.P. McGeehan for
the provision of laboratory facilities and to M. Beach for helpful comments during the work. The authors are also grateful to the
following organisations for funding in support of the work: DERA, EPSRC and the European Commission

Keywords

circuit oscillations
circuit stability
feedforward
radiofrequency amplifiers

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10.1049/el:19971153

http://hdl.handle.net/1983/714

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title = "Analysis of instability in feedforward loop",

abstract = "Although the feedforward system is theoretically unconditionally stable, there are circumstances under which oscillation can occur. These oscillations are possible in both the error-determining loop and the error-cancellation loop and may occur in-band or out-of-band depending upon the parameters of the design. The authors analyse the circumstances under which oscillation is possible, and highlight the corrective action which may be taken in order to eliminate the possibility of its occurrence",

keywords = "circuit oscillations, circuit stability, feedforward, radiofrequency amplifiers",

author = "PB Kenington and PA Warr and RJ Wilkinson",

note = "Publisher: Institution of Electrical Engineers (IEE) Rose publication type: Journal article Sponsorship: The authors are grateful to J.P. McGeehan for the provision of laboratory facilities and to M. Beach for helpful comments during the work. The authors are also grateful to the following organisations for funding in support of the work: DERA, EPSRC and the European Commission ",

year = "1997",

month = sep,

doi = "10.1049/el:19971153",

language = "English",

volume = "33",

pages = "1669 -- 1671",

journal = "Electronics Letters",

issn = "1350-911X",

publisher = "Institution of Engineering and Technology (IET)",

number = "20",

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TY - JOUR

T1 - Analysis of instability in feedforward loop

AU - Kenington, PB

AU - Warr, PA

AU - Wilkinson, RJ

N1 - Publisher: Institution of Electrical Engineers (IEE) Rose publication type: Journal article Sponsorship: The authors are grateful to J.P. McGeehan for the provision of laboratory facilities and to M. Beach for helpful comments during the work. The authors are also grateful to the following organisations for funding in support of the work: DERA, EPSRC and the European Commission

PY - 1997/9

Y1 - 1997/9

N2 - Although the feedforward system is theoretically unconditionally stable, there are circumstances under which oscillation can occur. These oscillations are possible in both the error-determining loop and the error-cancellation loop and may occur in-band or out-of-band depending upon the parameters of the design. The authors analyse the circumstances under which oscillation is possible, and highlight the corrective action which may be taken in order to eliminate the possibility of its occurrence

AB - Although the feedforward system is theoretically unconditionally stable, there are circumstances under which oscillation can occur. These oscillations are possible in both the error-determining loop and the error-cancellation loop and may occur in-band or out-of-band depending upon the parameters of the design. The authors analyse the circumstances under which oscillation is possible, and highlight the corrective action which may be taken in order to eliminate the possibility of its occurrence

KW - circuit oscillations

KW - circuit stability

KW - feedforward

KW - radiofrequency amplifiers

U2 - 10.1049/el:19971153

DO - 10.1049/el:19971153

M3 - Article (Academic Journal)

SN - 1350-911X

VL - 33

SP - 1669

EP - 1671

JO - Electronics Letters

JF - Electronics Letters

IS - 20

ER -

Analysis of instability in feedforward loop

Abstract

Bibliographical note

Keywords

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