Surface Wave Delay Line Amplifiers

Surface Wave Delay Line Amplifiers

The subject of acoustoelectric surface wave delay line amplification is reviewed. Two amplifier configurations are defined: the combined medium amplifier (CMA), and the separated medium amplifier (SMA). These configurations are compared and the problems associated with each one defined. A more detai...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1969-11, Vol.17 (11), p.912-920
Hauptverfasser: Lakin, K.M., Shaw, H.J.
Format: Artikel
Sprache:eng
Schlagworte:
Acoustic transducers
Acoustic waves
Delay lines
Frequency
Insertion loss
Piezoelectric materials
Semiconductivity
Semiconductor materials
Surface acoustic waves
Surface waves
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Beschreibung
Zusammenfassung:The subject of acoustoelectric surface wave delay line amplification is reviewed. Two amplifier configurations are defined: the combined medium amplifier (CMA), and the separated medium amplifier (SMA). These configurations are compared and the problems associated with each one defined. A more detailed description of the SMA is given along with experimental results. A brief analysis is presented; two material constants are defined, and then used to compare materials in terms of SMA applicability at high frequencies.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.1969.1127081