Skip to main content
SpringerLink
Log in

Progress of a tunable active bandpass filter

Conception ďun Filtre Passe-Bande Actif Accordable

  • Published:
Annales Des Télécommunications Aims and scope Submit manuscript

Abstract

A review of a tunable active bandpass filter developed in our research group is given here. Presented first is the basic structure of an end-coupled microstrip-line bandpass filter. Next discussed is the concept of using coupled negative resistance to compensate the loss of tank circuit. Then, the method of using varactor diode or mesfet varactor to tune the center frequency of the passband is discussed. The capability of optical-control of mesfet varactor and the concept of using mesfets as three-terminal varactors are also discussed.

Résumé

Ľarticle présente ľévolution de la conception du filtre au sein d’un groupe de recherche: structure de base d’un filtre à lignes microrubans couplées par les extrémités; emploi de résistances négatives couplées pour compenser les affaiblissements des circuits; emploi d’une diode varactor; emploi d’un transistor mesfet ayant une fonction de capacité variable (accord électrique ou optique de la fréquence centrale, varactor mesfet à trois bornes et son application à un filtre accordable en mode passif ou en mode actif).

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. Pucel (R. A.). Monolithic microwave integrated circuits.IEEE Press., New York (1985).

    Google Scholar 

  2. Chang (C.-Y.), Itoh (T.). Microwave active filters based on coupled negative resistance method.IEEE Trans. MTT (Dec. 1990),38, pp. 1879–1884.

    Article  Google Scholar 

  3. Chang (C.-Y.), Itoh (T.). A varactor-tuned, active microwave bandpass filter.IEEE MTT-S Int. Microwave Symp. Dig. (1990), pp. 499–502.

  4. Yamamoto (Y.), Kawasaki (K.-I.), Itoh (T.). A MESFET-controlled X-band active band-pass filter.IEEE Microwave and Guided Wave Letters (May 1991),1, pp. 110–111.

    Article  Google Scholar 

  5. Seeds (A. J.), Salles (A. A. A.de). Optical control of microwave semiconductor devices.IEEE Trans. MTT (May 1990),38, pp. 577–585.

    Article  Google Scholar 

  6. Salles (A. A. A.de). Optical control of a GaAs mesfet.IEEE Trans. MTT (Oct. 1983),31, pp. 812–820.

    Article  Google Scholar 

  7. Yamamoto (Y.), Kawasaki (K.-I.), Itoh (T.). Optical control of microwave active bandpass filter using mesfets.IEEE MTT-S Int. Microwave Symp. Dig. (1991),2, pp. 655–658.

    Article  Google Scholar 

  8. Bahl (I.), Bhartia (P.). Microwave solid state circuit design.John Wiley & Sons (1988).

  9. Lin (J.), Itoh (T.). Tunable active bandpass filters using three-terminal mesfet varactors.IEEE MTT-S Int. Microwave Symp. Digest. (1992), pp. 921–928.

  10. Yamamoto (Y.), Lin (J.), Itoh (T.). Laser tuning of a planar active bandpass filter using mesfets.Proc. 21st European Microwave Conf. (1991), pp. 1317–1322.

  11. Willing (H. A.), Rauscher (C.), De Santis (P.). A technique for predicting large-signal performance of a GaAs mesfet.IEEE Trans. MTT (Dec. 1978),26, pp. 1017–1023.

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Electrical Engineering Department, University of California, Los Angeles, 405 Hilgard Ave., 90024-1594, Los Angeles, CA, USA

    Jenshan Lin & Tatsuo Itoh

  2. The Chung-Shan Institute of Science and Technology, Lung-Tang, Taiwan

    Chi-Yang Chang

  3. Department of Electrical Engineering and Electronics, Faculty of Engineering, Osaka Sangyo University, 574, Daito, Osaka, Japan

    Yukio Yamamoto

Authors
  1. Jenshan Lin
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Chi-Yang Chang
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Yukio Yamamoto
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Tatsuo Itoh
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Lin, J., Chang, CY., Yamamoto, Y. et al. Progress of a tunable active bandpass filter. Ann. Télécommun. 47, 499–507 (1992). https://doi.org/10.1007/BF02998312

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF02998312

Key words

Mots clés

Search

Navigation