A novel frequency control loop for tunable notch filters

IEEE Transactions on Microwave Theory and Techniques

Volumn 59, Issue 9, 2011, Pages 2265-2274

  De Luis, Javier R ^a,b   Gu, Qizheng ^a   Morris, Arthur S ^a   De Flaviis, Franco ^b  

^a Wispry Inc   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Actuation delay; filter frequency control loop; loop convergence; notch filter; RF microelectromechanical systems (MEMS); tunable capacitors; tunable filter

Indexed keywords

ACTUATION DELAY; FILTER FREQUENCY CONTROL LOOP; LOOP CONVERGENCE; RF MICROELECTROMECHANICAL SYSTEMS; TUNABLE CAPACITORS; TUNABLE FILTERS;

MEMS; MICROELECTROMECHANICAL DEVICES; TELECOMMUNICATION SYSTEMS; TRANSMITTERS;

NOTCH FILTERS;

EID: 80052864399     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2011.2160962     Document Type: Article

References (13)

1. Q. Gu, RF System Design of Transceivers for Wireless Communications. Berlin, Germany: Springer, 2005.
2. W. J. Keane, "YIG filters aid wide open receivers," Microw. J., vol. 17, no. 8, pp. 50-54, Sep. 1978.
3. I. C. Hunter and J. D. Rhodes, "Electronically tunable microwave bandpass filters," IEEE Trans. Microw. Theory Tech., vol. MTT-30, no. 9, pp. 1354-1360, Sep. 1982.
4. S. J. Park, K. Y. Lee, and G. M. Rebeiz, "Low-loss 5.15-5.70 GHz RF MEMS switchable filter for wireless LAN applications," IEEE Trans. Microw. Theory Tech., vol. 54, no. 11, pp. 3931-3939, Nov. 2006.
5. B. Jitha, P. C. Bybi, C. K. Aanandan, and P. Mohanan, "Microstrip band rejection filter using open loop resonator," Microw. Opt. Technol. Lett., vol. 50, no. 6, pp. 1550-1551, Jun. 2008.
6. A. R. Brown and G. M. Rebeiz, "A varactor tuned RF filter," IEEE Trans. Microw. Theory Tech., vol. 48, no. 7, pp. 1157-1160, Jul. 2000.
7. H. Shaman and J.-S. Hong, "Asymmetric parallel-coupled lines for notch implementation in UWB filters," IEEE Microw. Wireless Compon. Lett., vol. 17, no. 7, pp. 516-518, Jul. 2007.
8. K. Song and Q. Xue, "Asymmetric dual-line coupling structure for multiple-notch implementation in UWB bandpass filters," Electron. Lett., vol. 46, no. 20, pp. 1388-1390, 2010.
9. J. R. De Luis, A. S. Morris, Q. Gu, and F. De Flaviis, "A tunable asymmetric notch filter using RFMEMS," in IEEE MTT-S Int. Microw. Symp. Dig., May 23-28, 2010, pp. 1146-1149.
10. P. Katzin, B. Bedard, and Y. Ayasli, "Narrow-band MMIC filters with automatic tuning and Q-factor control," in IEEE MTT-S Int. Microw. Symp. Dig., 1993, pp. 403-406.
11. V. Aparin and P. Katzin, "Active GaAs MMIC bandpass filters with automatic frequency tuning and insertion loss control," IEEE J. Solid-State Circuits, vol. 30, no. 10, pp. 1068-1073, Oct. 1995.
12. S. Quintanel, H. Serhan, B. Jarry, L. Billonnet, and P. Guillon, "Theoretical and experimental implementation of microwave active filters using automatic frequency control techniques," in Proc. IEEE-Russia High Power Microw. Electron. Meas., Identification, Appl. Conf., 1999, pp. IV7-I12.
13. L. Billonnet et al., "Recent advances in microwave active filter design, part 2: Tunable structure and frequency control techniques," Int. J. RF Microw., vol. CAE 12, pp. 177-189, 2002.