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RF and Microwave Circuit Design
book

RF and Microwave Circuit Design

by Charles E. Free, Colin S. Aitchison
September 2021
Intermediate to advanced
528 pages
19h 53m
English
Wiley
Content preview from RF and Microwave Circuit Design

Answers to Selected Supplementary Problems

Chapter 1

  1. Q1.1   Z = (51 + j25) Ω
  2. Q1.2   Distance = 0.02λ
  3. Q1.3   ρ = 0.72 ∠ −37° VSWR = 6
  4. Q1.4   ρ = 0.36 ∠ 25°
  5. Q1.5   ZL = (232.5 − j157.5) Ω
  6. Q1.6   YL = (4 − j1.5) mS distance = 0.191λ
  7. Q1.7   ZL = (7.5 − j4) Ω
  8. Q1.8   Distance from load to stub = 0.035 m

    Length of stub = 0.038 m

  9. Q1.9   Distance from load to stub = 0.035 m

    Length of stub = 0.138 m

  10. Q1.10   Distance from load to stub = 0.048 m

    Length of stub = 0.034 m

  11. Q1.11   Length = 16.5 mm
  12. Q1.12   Length = 70.27 mm
  13. Q1.13   Zin = (6.5 + j18) Ω
  14. Q1.14   Zin = (18 + j23.5) Ω
  15. Q1.15   Zin = (24 + j2.5) Ω
  16. Q1.16   
    Solution 1: Cseries = 64.30 pF Lshunt = 6.89 nH
    Solution 2: Lseries = 9.98 nH Cshunt = 12.15 pF
  17. Q1.17   
     (i) Solution 1: Cshunt = 0.42 pF Lseries = 3.18 nH
    Solution 2: Lshunt = 4.57 nH Cseries = 0.88 pF
    (ii) Solution 1: ρin = 0.14 ∠ −43°
    Solution 2: ρin = 0.20 ∠ −124°
  18. Q1.18   Lshunt (nearest to load) = 2.63 nH

    Lseries (nearest to source) = 2.39 nH

Chapter 2

  1. Q2.2   λs = 30.78 mm
  2. Q2.3   
    Zo (Ω) w (μm) λs (mm) Vp (m/s)
    25 2159.0 10.95 1.10 × 108
    50 571.5 11.68 1.17 × 108
    75 190.5 12.05 1.20 × 108
    100 63.5 12.27 1.23 × 108
  3. Q2.5   17.98%
  4. Q2.6   Minimum thickness at 1 GHz = 10.55 μm

    Minimum thickness at 10 GHz = 3.35 μm

    Minimum thickness at 100 GHz = 1.05 μm

  5. Q2.7   Percentage error in 50 Ω line = 6.0%

    Percentage error in 70 Ω line = 11.4%

  6. Q2.8   
    (a) V2 = 0.707 ∠ −90°  V3 = 0  V4 = 0.707 ∠ −270°
    (c) Ring: w = 175 μm  mean diameter ...
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Publisher Resources

ISBN: 9781119114635Purchase Link