Figure 7. 1 (p. 309) Power division and combining. (a) Power division

Name: Figure 7. 1 (p. 309) Power division and combining. (a) Power division
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Description: Figure 7. 1 (p. 309) Power division and combining. (a) Power division

Figure 7. 1 (p. 309) Power division and combining. (a) Power division
Figure 7.1 (p. 309) Power division and combining. (a) Power division. (b) Power combining. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.2 (p. 310) The two types of circulators and their [S] matrices. (The phase references for the ports are arbitrary.) (a) Clockwise circulation. (b) Counterclockwise circulation. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.3 (p. 311) A reciprocal, lossless three-port network matched at ports 1 and 2.
Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.4 (p. 313) Two commonly used symbols for directional couplers, and power flow conventions.

Figure 7. 5 (p. 315) Various T-junction power dividers
Figure 7.5 (p. 315) Various T-junction power dividers. (a) E plane waveguide T. (b) H plane waveguide T. (c) Microstrip T-junction. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.6 (p. 316) Transmission line model of a lossless T-junction.

Figure 7.7 (p. 317) An equal-split three-port resistive power divider.

Figure 7. 8 (p. 319) The Wilkinson power divider
Figure 7.8 (p. 319) The Wilkinson power divider. (a) An equal-split Wilkinson power divider in microstrip form. (b) Equivalent transmission line circuit. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.9 (p. 319) The Wilkinson power divider circuit in normalized and symmetric form.

Figure 7. 10 (p. 320) Bisection of the circuit of Figure 7. 9
Figure (p. 320) Bisection of the circuit of Figure 7.9. (a) Even-mode excitation. (b) Odd-mode excitation. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7. 11 (p. 321) Analysis of the Wilkinson divider to find S11
Figure (p. 321) Analysis of the Wilkinson divider to find S11. (a) The terminated Wilkinson divider. (b) Bisection of the circuit in (a). Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure (p. 322) Frequency response of an equal-split Wilkinson power divider. Port 1 is the input port; ports 2 and 3 are the output ports. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.13 (p. 322) A Wilkinson power divider in microstrip form having unequal power division.

Figure 7.14 (p. 323) An N-way, equal-split Wilkinson power divider.

Figure (p. 324) Photograph of a four-way corporate power divider network using three microstrip Wilkinson power dividers. Note the isolation chip resistors. Courtesy of M.D. Abouzahra, MIT Lincoln Laboratory. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.18 (p. 328) Basic operation of a two-hole directional coupler.

Figure 7.19 (p. 329) Geometry of an N + 1 hole waveguide directional coupler.

Figure 7.21 (p. 333) Geometry of a branch-line coupler.

Figure 7.22 (p. 334) Circuit of the branch-line hybrid coupler in a normalized form.

Figure (p. 334) Decomposition of the branch-line coupler into even- and odd-mode excitations. (a) Even mode (e). (b) Odd mode (o). Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure (p. 336) Photograph of a microstrip quadrature hybrid prototype. Courtesy of M.D. Abouzabra, MIT Lincoln Laboratory. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7. 26 (p. 337) Various coupled transmission line geometries
Figure (p. 337) Various coupled transmission line geometries. (a) Coupled stripline (planar, or edge-coupled). (b) Coupled stripline (stacked, or broadside-coupled). (c) Coupled microstrip. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.27 (p. 337) A three-wire coupled transmission line and its equivalent capacitance network.

Figure (p. 338) Even- and odd-mode excitations for a coupled line, and the resulting equivalent capacitance networks. (a) Even-mode excitation. (b) Odd-mode excitation. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure (p. 340) Even- and odd-mode characteristic impedance design data for coupled microstrip lines on a substrate with r = 10. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7. 31 (p. 341) A single-section coupled line coupler
Figure (p. 341) A single-section coupled line coupler. (a) Geometry and port designations. (b) The schematic circuit. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure (p. 343) Decomposition of the coupled line coupler circuit of Figure 7.31 into even- and odd-mode excitation. (a) Even mode. (b) Odd mode. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure (p. 344) Coupled and through port voltages (squared) versus frequency for the coupled line coupler of Figure 7.31. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.34 (p. 346) Coupling versus frequency for the single-section coupler of Example 7.7

Figure 7.35 (p. 346) An N-section coupled line coupler.

Figure (p. 347) Photograph of a single-section microstrip coupled line coupler. Courtesy of M. D. Abouzahra, MIT Lincoln Laboratory. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.37 (p. 348) Coupling versus frequency for the three-section binomial coupler of Example 7.8

Figure 7. 38 (p. 349) The Lange coupler. (a) Layout in microstrip form
Figure (p. 349) The Lange coupler. (a) Layout in microstrip form. (b) The unfolded Lange coupler. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure (p. 350) Equivalent circuits for the unfolded Lange coupler. (a) Four-wire coupled line model. (b) Approximate two-wire coupled line model. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure (p. 350) Effective capacitance networks for the unfolded Lange coupler equivalent circuits of Figure (a) Effective capacitance for the four-wire model. (b) Effective capacitance for the two-wire model. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.41 (p. 352) Symbol for a 180° hybrid junction.

Figure 7. 42 (p. 353) Photograph of a microstrip ring hybrid
Figure (p. 353) Photograph of a microstrip ring hybrid. Courtesy of M. D. Abouzahra, MIT Lincoln Laboratory Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7. 43 (p. 353) Hybrid junctions
Figure (p. 353) Hybrid junctions. (a) A ring hybrid, or rate-race, in microstrip or stripline form. (b) A tapered coupled line hybrid. (c) A waveguide hybrid junction, or magic-T. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure (p. 354) Even- and odd-mode decomposition of the ring hybrid when port 1 is excited with a unit amplitude incident wave. (a) Even mode. (b) Odd mode. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure (p. 356) Even- and odd-mode decomposition of the ring hybrid when port 4 is excited with a unit amplitude incident wave. (a) Even mode. (b) Odd mode. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.46 (p. 357) S parameter magnitudes versus frequency for the ring hybrid of Example 7.9

Figure (p. 358) (a) Schematic diagram of the tapered coupled line hybrid. (b) The variation of characteristic impedances. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7. 48 (p. 358) Excitation of the tapered coupled line hybrid
Figure (p. 358) Excitation of the tapered coupled line hybrid. (a) Even-mode excitation. (b) Odd-mode excitation. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure (p. 359) Equivalent circuits for the tapered coupled line hybrid, for transmission from port 4 to port 3. (a) Even-mode case. (b) Odd-mode case. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure (p. 361) Electric field lines for a waveguide hybrid junction. (a) Incident wave at port 1. (b) Incident wave at port 4. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7.51 (p. 362) The Moreno cross-guide coupler.

Figure 7.52 (p. 362) The Schwinger reverse-phase coupler.

Figure 7.53 (p. 363) The Riblet short-slot coupler.

Figure 7.54 (p. 363) A symmetrical tapered coupled line coupler.

Figure 7. 55 (p. 364) Various aperture coupled planar line couplers
Figure (p. 364) Various aperture coupled planar line couplers. (a) Microstrip-to-microstrip coupler. (b) Microstrip-to-waveguide coupler. (c) Microstrip-to-dielectric image line coupler. Microwave Engineering, 3rd Edition by David M. Pozar Copyright © 2004 John Wiley & Sons

Figure 7. 1 (p. 309) Power division and combining. (a) Power division

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