figs08

figs08 - FIGURES FOR CHAPTER 8 C C C2 C1 ZS L ZL ZS L ZL ZS...

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F IGURES FOR C HAPTER 8 Figure 8-1 Eight possible configurations of the discrete two-component matching networks. L Z L Z S Z L Z S Z L Z S Z L Z S Z L Z S Z L Z S Z L Z S Z L Z S L L L L 1 L 2 L 2 L 1 CC C 1 C 2 C 1 C 2 (a) (b) (c) (d) (e) (f) (g) (h)
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Figure 8-2 Transmitter to antenna matching circuit design. L C Transmitter Z T Z M Z A
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Figure 8-3 Impedance effect of series and shunt connections of L and C to a complex load in the Smith Chart. 0.2 0.5 1.0 2.0 5.0 0 10 -10 20 -20 30 -30 40 -40 50 -50 60 -60 70 -70 80 -80 90 -90 100 -100 110 -110 120 -120 130 -130 140 -140 150 -150 160 -160 170 -170 180 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29 0.3 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.4 0.41 0.42 0.43 0.44 0.45 0.46 0.47 0.48 0.49 0.0 Shunt L Series C Series L Shunt C
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Figure 8-4 Design of the two-element matching network as part of the ZY Smith Chart. 0.2 0.5 1.0 2.0 5.0 0 10 -10 20 -20 30 -30 40 -40 50 -50 60 -60 70 -70 80 -80 90 -90 100 -100 110 -110 120 -120 130 -130 140 -140 150 -150 160 -160 170 -170 180 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29 0.3 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.4 0.41 0.42 0.43 0.44 0.45 0.46 0.47 0.48 0.49 0.0 Z T L Z T C Z T C zj T = 2+ 1 TC = 1- 1.22 zz MA == * 1- 0.2 j
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Figure 8-5 Design of a matching network using the Smith Chart 0.2 0.5 1.0 2.0 5.0 0 10 -10 20 -20 30 -30 40 -40 50 -50 60 -60 70 -70 80 -80 90 -90 100 -100 110 -110 120 -120 130 -130 140 -140 150 -150 160 -160 170 -170 180 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29 0.3 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.4 0.41 0.42 0.43 0.44 0.45 0.46 0.47 0.48 0.49 0.0 z S z L * A D B C
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Figure 8-6 Matching networks for four different paths in the Smith Chart. zzz SAL * →→ SBL * SCL * SDL * Z S Z L Z S Z L Z L Z L Z S Z S L 1 = 1.59 nH L 2 =6.63 nH 2.23 pF 6.37 nH 0.94 pF 3.06 nH 2.79 nH 13.26 nH
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Figure 8-7 Forbidden regions for L-type matching networks with Z S = 0 = 50 . L (c) (b) 0.2 0.5 2.0 5.0 1.0 0.2 0.5 1.0 1.0 1.0 2.0 5.0 2.0 2.0 0.2 0.5 1.0 1.0 1.0 2.0 5.0 2.0 2.0 0.2 0.5 1.0 1.0 1.0 2.0 5.0 2.0 2.0 0.2 0.5 1.0 1.0 1.0 2.0 5.0 2.0 2.0 (a) (d)
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(a) Impedance transformations displayed in Smith Chart Resulting matching networks Figure 8-8 Two design realizations of an L-type matching network. 0.2 0.5 1.0 2.0 5.0 z S z L A B V S R S = 50 R L C L L nH = 9.75 C pF = 0.6 V out V S R S = 50 R L C L L nH = 10 C pF = 2.6 V out (b) (c)
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-4.5 -3.5 Frequency , GHz f Transfer function , dB H Circuit in Figure 8-8(b) Circuit in Figure 8-8(c) 0.5 1 1.5 2 2.5 3 -5.5 -6.5 -7.5 -8 5 6 7 -3 -4 Frequency , GHz f Input reflection coefficient | | Γ in Circuit in Figure 8-8(b) Circuit in Figure 8-8(c) 0 0 0.5 1 1.5 2 2.5 3 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 (b) Transfer function of the matching networks (a) Frequency response of input reflection coefficient
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Figure 8-10 Comparison of the frequency response of the L-type matching network and an equivalent bandpass filter.
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This note was uploaded on 01/31/2012 for the course EE 4002 taught by Professor Scalzo during the Fall '06 term at LSU.

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figs08 - FIGURES FOR CHAPTER 8 C C C2 C1 ZS L ZL ZS L ZL ZS...

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