http://iet.metastore.ingenta.com
1887

S.A.W. device reflectors weighted by combination of withdrawn and segmented lines

S.A.W. device reflectors weighted by combination of withdrawn and segmented lines

For access to this article, please select a purchase option:

Buy article PDF
$19.95
(plus tax if applicable)
Buy Knowledge Pack
10 articles for $120.00
(plus taxes if applicable)

IET members benefit from discounts to all IET publications and free access to E&T Magazine. If you are an IET member, log in to your account and the discounts will automatically be applied.

Learn more about IET membership 

Recommend Title Publication to library

You must fill out fields marked with: *

Librarian details
Name:*
Email:*
Your details
Name:*
Email:*
Department:*
Why are you recommending this title?
Select reason:
 
 
 
 
 
Electronics Letters — Recommend this title to your library

Thank you

Your recommendation has been sent to your librarian.

A technique for weighting surface acoustic wave (s.a.w.) device reflectors which combines withdrawal weighting and segmented lines is described. This scheme has the advantage of lower photolithographic mask costs through the partial use of withdrawal weighting, and the advantage of closely approximating the desired weighting function by partial use of segmented (dotted) lines. Effectiveness of this combined weighting technique is demonstrated by its use in sidelobe suppression in two-port s.a.w. resonators; however, combined-type weighted reflectors can be used to advantage in all types of filters utilising reflective arrays.

References

    1. 1)
      • D.T. Bell , R.C.M. Li . Surface acoustic wave resonators. Proc. IEEE , 711 - 721
    2. 2)
      • W.J. Tanski . Surface acoustic wave resonators on quartz. IEEE Trans. , 93 - 104
    3. 3)
      • R.C. Williamson . Properties and applications of reflectivearray devices. Proc. IEEE , 702 - 710
    4. 4)
      • Solie, L.P.: `A SAW filter using a reflective dot array', Ultrasonics Symposium Proceedings, 1976, p. 309–312, (IEEE Cat. 76CH1120-5SU).
    5. 5)
      • Joseph, T.R., Lakin, T.M.: `Equivalent circuit properties of surface wave planar resonators', Proc. 29th Annual Frequency Control Symposium, 1976, Washington, D.C., USA, 20016, Electronic Ind. Assoc., p. 158–166.
    6. 6)
      • W.J. Tanski . SAW resonators utilizing withdrawal weighted reflectors. IEEE Trans. , 404 - 410
    7. 7)
      • White, P.D., Mitchell, P.F., Stevens, P., Moore, P., Redwood, J.: `Synthesis and design of weighted reflections for SAW resonators', Ultrasonics Symposium Proceedings, 1978, p. 634–638, (IEEE Cat. 78CH1344-1SU).
    8. 8)
      • E. Akcakaya , G.W. Farnell . Reflection of acoustic surface waves from a row of dots. Wave Electronics , 49 - 55
    9. 9)
      • W.J. Tanski . S.A.W. resonators at 1.29 GHz with Q values approaching the material limit. Electron. Lett. , 339 - 340
http://iet.metastore.ingenta.com/content/journals/10.1049/el_19800564
Loading

Related content

content/journals/10.1049/el_19800564
pub_keyword,iet_inspecKeyword,pub_concept
6
6
Loading
This is a required field
Please enter a valid email address