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Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.1 (p. 267) A series RLC resonator and its response. (a)

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Presentation on theme: "Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.1 (p. 267) A series RLC resonator and its response. (a)"— Presentation transcript:

1 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.1 (p. 267) A series RLC resonator and its response. (a) The series RLC circuit. (b) The input impedance magnitude versus frequency.

2 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.2 (p. 269) A parallel RLC resonator and its response. (a) The parallel RLC circuit. (b) The input impedance magnitude versus frequency.

3 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.3 (p. 271) A resonant circuit connected to an external load, R L.

4 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.4 (p. 273) A short-circuited length of lossy transmission line, and the voltage distributions for n = 1 resonators.

5 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.5 (p. 276) An open-circuited length of lossy transmission line, and the voltage distributions for n = 1 resonators.

6 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.6 (p. 278) A rectangular resonant cavity, and the electric field distributions for the TE 101 and TE 102 resonant modes.

7 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.7 (p. 283) Photograph of a W-band waveguide frequency meter. The knob rotates to change the length of the circuit-cavity resonator; the scale gives a readout of the frequency. Photograph courtesy of Millitech Corporation, Northampton, Mass.

8 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.8 (p. 283) A cylindrical resonant cavity, and the electric field distribution for resonant modes with

9 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.9 (p. 284) Resonant mode chart for a cylindrical cavity. Adapted from data from R.E. Collin, Foundations for Microwave Engineering (McGraw-Hill, 1965)

10 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.10 (p. 286) Normalized Q for various cylindrical cavity modes (air-filled). Adapted from data from R.E. Collin, Foundations for Microwave Engineering (McGraw-Hill, 1965)

11 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.11 (p. 288) Geometry of a cylindrical dielectric resonator.

12 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.12 (p. 288) Magnetic wall boundary condition approximation and distribution of Hz versus I for p = 0 of the first mode of the cylindrical dielectric resonator.

13 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.13 (p. 291) Coupling to microwave resonators. (a) A microstrip transmission line resonator gap coupled to a microstrip feedline. (b) A rectangular cavity resonator fed by a coaxial probe. (c) A circular cavity resonator aperture coupled to a rectangular waveguide. (d) A dielectric resonator coupled to a microstrip feedline.

14 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.14 (p. 292) A series resonant circuit coupled to a feedline.

15 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.15 (p. 293) Smith chart illustrating coupling to a series RLC circuit.

16 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.16 (p. 293) Equivalent chart of the gap-coupled microstrip resonator of Figure 6.13a.

17 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.17 (p. 294) Solutions to (6.78) for the resonant frequencies of the gap-coupled microstrip resonator.

18 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.18 (p. 296) Smith chart plot of input impedance of the gap- coupled microstrip resonator of Example 6.6 versus frequency for various values of the coupling capacitor.

19 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.19 (p. 296) A rectangular waveguide aperture coupled to a rectangular cavity.

20 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.20 (p. 297) Equivalent circuit of the aperture-coupled cavity.

21 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.21 (p. 298) A resonant cavity perturbed by a change in the permittivity of permeability of the material in the cavity. (a) Original cavity. (b) Perturbed cavity.

22 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.22 (p. 300) A rectangular cavity perturbed by a thin dielectric slab.

23 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.23 (p. 301) A resonant cavity perturbed by a change in shape. (a) Original cavity. (b) Perturbed cavity.

24 Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons Figure 6.24 (p. 302) A rectangular cavity perturbed by a tuning post in the center of the top wall.


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