ACOUSTIC CHARGE TRANSPORT PRINCIPLES AND PERFORMANCE.

M. J. Hoskins, M. J. Brophy, J. M. Dallesasse, M. J. Miller, J. W. Peterson

Research output: Contribution to journalConference article

Abstract

The basic operational principles and signal processing capabilities of the acoustic charge transport (ACT) device are presented. The ACT processor is a new type of high-speed GaAs charge transfer device in which electron transport is accomplished using the traveling wave electric field of a surface acoustic wave (SAW). The inherently smooth and continuous nature of traveling wave transport yields very high transfer efficiency, large signal bandwidths, and interference-free charge detection. Experimental results are presented for an ACT delay line operating at a 360-MHz SAW frequency with a transfer efficiency in excess of 0. 99994 and a signal bandwidth of 180 MHz. The nondestructive charge sensing (NDS) principles which form the basis for multiple-tapped delay line applications are discussed, and experimental results are presented for ACT transversal filters incorporating nondestructive-charge-sensing electrode arrays.

Original languageEnglish (US)
Pages (from-to)285-291
Number of pages7
JournalProceedings of the Annual IEEE International Frequency Control Symposium
StatePublished - Dec 1 1986
Externally publishedYes

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Charge transfer
Acoustics
Electric delay lines
Surface waves
Charge transfer devices
Acoustic waves
Transversal filters
Bandwidth
Signal processing
Electric fields
Electrodes

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

ACOUSTIC CHARGE TRANSPORT PRINCIPLES AND PERFORMANCE. / Hoskins, M. J.; Brophy, M. J.; Dallesasse, J. M.; Miller, M. J.; Peterson, J. W.

In: Proceedings of the Annual IEEE International Frequency Control Symposium, 01.12.1986, p. 285-291.

Research output: Contribution to journalConference article

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