Microwave Ring Circuits and Related Structures phần 8 ppt

... 714.900 1, 483 .13 n = 2 17.502 17. 482 0.110 684 .900 1,559.69 n = 3 20.449 20.412 0. 180 775.900 2,505.17 n = 4 23.945 23 .88 9 0.230 604.100 2, 187 . 48 TABLE 10.1 Measured Q L and Q u for the H-plane Ring ... Q L Q u n = 2 15.146 15.0 98 0.320 1 98. 200 1,190.9 n = 3 16.564 16.530 0.210 222.100 2,0 38 n = 4 18. 3 48 18. 333 0. 080 194.600 3,570.6 n = 5 20. 386 20.395 0.040 183 .30...

Ngày tải lên: 08/08/2014, 01:21

... the ring and all integer-numbered (even and odd) modes are passed. When the diode is reverse biased, the boundary conditions will not allow the odd-numbered 127 Microwave Ring Circuits and Related ... December 1 988 . [4] M/A COM Semiconductor Products Master Catalog, Burlington, Mass. [5] J. F. White, Microwave Semiconductor Engineering, Van Nostrand Rein- hold, New York,...

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... Kai, 19 48 Microwave ring circuits and related structures / Kai Chang, Lung-Hwa Hsieh.—2nd ed. p. cm.—(Wiley series in microwave and optical engineering) Includes bibliographical references and index. ISBN ... accurate modeling and prediction of a ring resonator. In the 1 980 s, applications using ring circuits as antennas, and frequency-selective surfaces emerged....

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... unloaded Q of the ring is given by (2 .82 ) Inspecting the equivalent conductances, capacitances, and inductances of the closed- and open-loop ring resonators in Equations (2. 78) and (2 .81 ), the relations ... (2 .84 ) Equations (2 .83 a) and (2 .84 ) sustain for the same losses condition of the closed- and the open-loop ring resonator. In practice, the total losses for the...

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... MTT-S Int. Microwave Symp. Dig., pp. 80 5 80 8, 19 98. [24] W. C. Jung, H. J. Park and J. C. Lee, “Microstrip ring bandpass filters with new interdigital side-coupling structure,” Asia Pacific Microwave ... 1969. [ 18] K. Chang, T. S. Martin, F. Wang, and J. L. Klein, “On the study of microstrip ring and varactor-tuned ring circuits, ” IEEE Trans. Microwave Theory Tech., Vo...

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... interferences. Figure 7.1 shows a dual-mode filter. The square ring resonator is fed by a 153 Microwave Ring Circuits and Related Structures, Second Edition, by Kai Chang and Lung-Hwa Hsieh ISBN 0-471-44474-X Copyright ... case, (6.17) and in the odd case, (6. 18) where l ring is the physical length of the ring, and l ge and l go are the guided wave- lengths to the eve...

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... two simpler circuits, as shown in Figures 8. 2 and 8. 3. The amplitudes of the scat- tered waves from the hybrid -ring are given by [26] (8. 1a) (8. 1b) (8. 1c) (8. 1d) where G e,o and T e , o are the even- and ... 19 98, Chap. 8. [27] M. Makimoto and S. Yamashita, Microwave Resonators and Filters for Wireless Communication Theory, Design and Application, Springer, Be...

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... the even- and odd-mode two-port circuits shown in Figures 8. 35 and 8. 36, the required reflec- tion and transmission coefficients in Equation (8. 16) are [26] (8. 17a) (8. 17b) (8. 17c) (8. 17d) Using ... dispersion, attenuation loss and T-junction into account,” in 1 988 IEEE MTT-S Int. Microwave Symp. Dig., pp. 543–546, June 1 988 . 2 38 RING COUPLERS 180 ° UNIPLANAR S...

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... (Permission from IEEE.) CHAPTER TWELVE Ring Mixers, Oscillators, and Other Applications 330 Microwave Ring Circuits and Related Structures, Second Edition, by Kai Chang and Lung-Hwa Hsieh ISBN 0-471-44474-X ... July 2000. CHAPTER ELEVEN Ring Antennas and Frequency- Selective Surfaces 297 Microwave Ring Circuits and Related Structures, Second Edition, by Kai Cha...

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... uniplanar ring resonators, 85 –90 Cascaded multiple ring resonators: dual-mode ring bandpass filters, 159–161 ring bandpass filters, 184 – 186 slow-wave bandpass structure, 176–1 78 wideband bandpass ... filters, 187 – 188 piezoelectric transducer-tuned bandpass filters, 186 – 187 slow-wave filters, 171–1 78 two transmission zeros, 179– 186 wideband filters, 164–171 Bandstop charact...

Ngày tải lên: 08/08/2014, 01:21