Microstrip patch Yagi array

Παρουσίαση με θέμα: "Microstrip patch Yagi array"— Μεταγράφημα παρουσίασης:

1

2 Microstrip patch Yagi array
Antenna 1 : Results

3 Microstrip patch Yagi array
Antenna 1 : sketches, objectives and parameters

4 Antenna Structure: Antenna Parameters
Name Description f₀₁ First operating frequency f₀₂ Second operating frequency Lr Length of reflector Lde Length of driven element Ld1 Length of first director Ld2 Length of second director Wr Width of reflector Wde Width of driven element Wd1 Width of first director Wd2 Width of second director

5 Antenna Structure: Antenna Parameters (2)
Name Description Sr Spacing between driven element and reflector Sd1 Spacing between driven element and first director Sd2 Spacing between first and second director Sy Spacing between reflectors of adjacent Yagis Sf1 Inset of feed 1 Sf2 Inset of feed 2 εᵣ Relative permittivity H Substrate height Dw Diameter of feed wire X Antenna width

6 Antenna Structure: Antenna Parameters (3)
Name Description Y Antenna length Z Antenna thickness La Length of array Wa Width of array Dg Diameter of groudnplane

7 Sketches Top view 1 Top view 2

8 Sketches (2) Feed view End / side view

9 Design 1: Preview

10 Design 1: Front Side Preview

11 Design 1: Left Side Preview

12 Design 1: Right Side Preview

13 Design 1: Top Side Preview

14 Design 1: Bottom Side Preview

15 Design 1: Design Objectives
Objective Group: Mobile satellite vehicle application Name Description Value f₀₁ First operating frequency 1.552 GHz f₀₂ Second operating frequency 1.654 GHz

16 Design 1: Physical Parameters
Name Description Value Lr Length of reflector 63.5 mm Lde Length of driven element 55.88 mm Ld1 Length of first director 53.34 mm Ld2 Length of second director Wr Width of reflector Wde Width of driven element Wd1 Width of first director Wd2 Width of second director Sr Spacing between driven element and reflector 3.302 mm Sd1 Spacing between driven element and first director 2.286 mm

17 Design 1: Physical Parameters (2)
Name Description Value Sd2 Spacing between first and second director 2.286 mm Sy Spacing between reflectors of adjacent Yagis 50.8 mm Sf1 Inset of feed 1 10.16 mm Sf2 Inset of feed 2 15.24 mm εᵣ Relative permittivity 2.5 H Substrate height 6.35 mm Dw Diameter of feed wire 1 mm

18 Design 1: Derived Quantities
Name Description Value X Antenna width 534.6 mm Y Antenna length Z Antenna thickness 6.35 mm La Length of array 233.9 mm Wa Width of array 406.4 mm Dg Diameter of groudnplane

19 Microstrip patch Yagi array
Antenna 1 : estimated performance charts

20 Impedance vs frequency

21 Impedance vs frequency
Input Impedance vs Frequency Design 1 Peak real frequency GHz Real zero-crossing frequency GHz Mean real impedance 52.03 Ω Mean imaginary impedance 4.846 Ω

22 Impedance vs frequency

23 Impedance vs frequency
Reflection coefficient (20log|Γ|) Design 1 Minimum S11 value GHz Frequency at which S11 = -10 dB 1.680 GHz Reference port 1 50 Ω

24 Impedance vs frequency

25 Impedance vs frequency
VSWR Design 1 Minimum VSWR value GHz Frequency at which VSWR = 2 1.682 GHz Reference port 1 50 Ω

26 Impedance vs frequency
Input Impedance (Smith)

27 Impedance vs frequency
Input Impedance (Smith) Design 1 Frequency at which VSWR = 2 1.682 GHz Minimum VSWR value 1.357 Reference port 1 50 Ω

28 Radiation pattern (at the receive centre frequency)

29 Radiation pattern (at the receive centre frequency)
Gain (Total - normalised)

30 Radiation pattern (at the receive centre frequency)
Gain (Total - normalised) Design 1 Peak angle (freq) [φ = 0 °] θ = -10 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 33.16 ° Peak angle (freq) [φ = 90 °] 7.829 θ = 50 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 38.96 ° Peak angle (freq) [θ = 90 °] φ = 58 ° (1.552 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 102.6 °

31 Radiation pattern (at the receive centre frequency)

32 Radiation pattern (at the receive centre frequency)
Gain (LHC - normalised)

33 Radiation pattern (at the receive centre frequency)
Gain (LHC - normalised) Design 1 Peak angle (freq) [φ = 0 °] θ = -8 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 29.54 ° Peak angle (freq) [φ = 90 °] 5.719 θ = 48 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 40.48 ° Peak angle (freq) [θ = 90 °] φ = 124 ° (1.552 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 102.0 °

34 Radiation pattern (at the receive centre frequency)

35 Radiation pattern (at the receive centre frequency)
Gain (RHC - normalised)

36 Radiation pattern (at the receive centre frequency)
Gain (RHC - normalised) Design 1 Peak angle (freq) [φ = 0 °] θ = -20 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 32.04 ° Peak angle (freq) [φ = 90 °] 3.767 θ = 52 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 37.31 ° Peak angle (freq) [θ = 90 °] φ = 60 ° (1.552 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 81.72 °

37 Radiation pattern (at the receive centre frequency)

38 Radiation pattern (at the receive centre frequency)
Gain (Horizontal - normalised)

39 Radiation pattern (at the receive centre frequency)
Gain (Horizontal - normalised) Design 1 Peak angle (freq) [φ = 0 °] θ = -8 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 26.00 ° Peak angle (freq) [φ = 90 °] θ = 22 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 37.96 ° Peak angle (freq) [θ = 90 °] φ = 44 ° (1.552 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 36.64 °

40 Radiation pattern (at the receive centre frequency)

41 Radiation pattern (at the receive centre frequency)
Gain (Vertical - normalised)

42 Radiation pattern (at the receive centre frequency)
Gain (Vertical - normalised) Design 1 Peak angle (freq) [φ = 0 °] θ = -24 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 22.76 ° Peak angle (freq) [φ = 90 °] 7.747 θ = 50 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 38.33 ° Peak angle (freq) [θ = 90 °] φ = 62 ° (1.552 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 97.59 °

43 Radiation pattern (at the receive centre frequency)

44 Radiation pattern (at the receive centre frequency)
Axial Ratio (Handed)

45 Radiation pattern (at the receive centre frequency)
Axial Ratio (Handed) Design 1 Maximum axial angle [φ=0 °] θ=-138 ° Minimum axial angle [φ=0 °] θ=28 ° Maximum axial angle [φ=90 °] θ=-150 ° Minimum axial angle [φ=90 °] θ=168 ° Maximum axial angle [θ=90 °] φ=212 ° Minimum axial angle [θ=90 °] φ=324 °

46 Radiation pattern (at the receive centre frequency)

47 Radiation pattern (at the receive centre frequency)
Axial Ratio (IEEE)

48 Radiation pattern (at the receive centre frequency)
Axial Ratio (IEEE) Design 1 Maximum axial angle [φ=0 °] 80 θ=88 ° Minimum axial angle [φ=0 °] 798.8e-3 θ=28 ° Maximum axial angle [φ=90 °] 49.96 θ=148 ° Minimum axial angle [φ=90 °] 462.2e-3 θ=-150 ° Maximum axial angle [θ=90 °] 51.53 φ=84 ° Minimum axial angle [θ=90 °] 7.995 φ=324 °

49 Radiation pattern (at the receive centre frequency)

50 Radiation pattern (at the receive centre frequency)
Ludwig III (Co)

51 Radiation pattern (at the receive centre frequency)
Ludwig III (Co) Design 1 Peak angle (freq) [φ = 0 °] θ = -10 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 31.48 ° Peak angle (freq) [φ = 90 °] 5.535 θ = 58 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 37.77 ° Peak angle (freq) [θ = 90 °] φ = 62 ° (1.552 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 97.59 °

52 Radiation pattern (at the receive centre frequency)

53 Radiation pattern (at the receive centre frequency)
Ludwig III (Cross)

54 Radiation pattern (at the receive centre frequency)
Ludwig III (Cross) Design 1 Peak angle (freq) [φ = 0 °] θ = -4 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 40.17 ° Peak angle (freq) [φ = 90 °] 5.484 θ = 42 ° (1.552 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 30.23 ° Peak angle (freq) [θ = 90 °] φ = 44 ° (1.552 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 36.64 °

55 Radiation pattern (at the transmit centre frequency)

56 Radiation pattern (at the transmit centre frequency)
Gain (Total - normalised)

57 Radiation pattern (at the transmit centre frequency)
Gain (Total - normalised) Design 1 Peak angle (freq) [φ = 0 °] θ = -14 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 74.57 ° Peak angle (freq) [φ = 90 °] 8.771 θ = 56 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 41.02 ° Peak angle (freq) [θ = 90 °] 3.609 φ = 94 ° (1.654 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 62.82 °

58 Radiation pattern (at the transmit centre frequency)

59 Radiation pattern (at the transmit centre frequency)
Gain (LHC - normalised)

60 Radiation pattern (at the transmit centre frequency)
Gain (LHC - normalised) Design 1 Peak angle (freq) [φ = 0 °] θ = 18 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 54.84 ° Peak angle (freq) [φ = 90 °] 5.125 θ = 54 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 41.45 ° Peak angle (freq) [θ = 90 °] φ = 106 ° (1.654 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 51.08 °

61 Radiation pattern (at the transmit centre frequency)

62 Radiation pattern (at the transmit centre frequency)
Gain (RHC - normalised)

63 Radiation pattern (at the transmit centre frequency)
Gain (RHC - normalised) Design 1 Peak angle (freq) [φ = 0 °] θ = -14 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 44.78 ° Peak angle (freq) [φ = 90 °] 6.390 θ = 58 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 40.17 ° Peak angle (freq) [θ = 90 °] 1.754 φ = 84 ° (1.654 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 57.89 °

64 Radiation pattern (at the transmit centre frequency)

65 Radiation pattern (at the transmit centre frequency)
Gain (Horizontal - normalised)

66 Radiation pattern (at the transmit centre frequency)
Gain (Horizontal - normalised) Design 1 Peak angle (freq) [φ = 0 °] θ = -12 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 52.69 ° Peak angle (freq) [φ = 90 °] θ = -46 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 27.46 ° Peak angle (freq) [θ = 90 °] φ = 60 ° (1.654 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 41.58 °

67 Radiation pattern (at the transmit centre frequency)

68 Radiation pattern (at the transmit centre frequency)
Gain (Vertical - normalised)

69 Radiation pattern (at the transmit centre frequency)
Gain (Vertical - normalised) Design 1 Peak angle (freq) [φ = 0 °] θ = 44 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 28.29 ° Peak angle (freq) [φ = 90 °] 8.745 θ = 56 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 40.75 ° Peak angle (freq) [θ = 90 °] 3.576 φ = 96 ° (1.654 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 59.66 °

70 Radiation pattern (at the transmit centre frequency)

71 Radiation pattern (at the transmit centre frequency)
Axial Ratio (Handed)

72 Radiation pattern (at the transmit centre frequency)
Axial Ratio (Handed) Design 1 Maximum axial angle [φ=0 °] θ=-150 ° Minimum axial angle [φ=0 °] θ=178 ° Maximum axial angle [φ=90 °] θ=-46 ° Minimum axial angle [φ=90 °] θ=26 ° Maximum axial angle [θ=90 °] φ=192 ° Minimum axial angle [θ=90 °] φ=176 °

73 Radiation pattern (at the transmit centre frequency)

74 Radiation pattern (at the transmit centre frequency)
Axial Ratio (IEEE)

75 Radiation pattern (at the transmit centre frequency)
Axial Ratio (IEEE) Design 1 Maximum axial angle [φ=0 °] 66.63 θ=108 ° Minimum axial angle [φ=0 °] 928.3e-3 θ=178 ° Maximum axial angle [φ=90 °] 57.28 θ=-96 ° Minimum axial angle [φ=90 °] 1.740 θ=-46 ° Maximum axial angle [θ=90 °] 80 φ=136 ° Minimum axial angle [θ=90 °] 3.452 φ=176 °

76 Radiation pattern (at the transmit centre frequency)

77 Radiation pattern (at the transmit centre frequency)
Ludwig III (Co)

78 Radiation pattern (at the transmit centre frequency)
Ludwig III (Co) Design 1 Peak angle (freq) [φ = 0 °] θ = -12 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 48.28 ° Peak angle (freq) [φ = 90 °] 7.343 θ = 62 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 40.66 ° Peak angle (freq) [θ = 90 °] 3.576 φ = 96 ° (1.654 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 59.66 °

79 Radiation pattern (at the transmit centre frequency)

80 Radiation pattern (at the transmit centre frequency)
Ludwig III (Cross)

81 Radiation pattern (at the transmit centre frequency)
Ludwig III (Cross) Design 1 Peak angle (freq) [φ = 0 °] θ = 36 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 0 °] 26.75 ° Peak angle (freq) [φ = 90 °] 5.075 θ = 46 ° (1.654 GHz) Main 3dB beamwidth (freq) [φ = 90 °] 29.24 ° Peak angle (freq) [θ = 90 °] φ = 60 ° (1.654 GHz) Main 3dB beamwidth (freq) [θ = 90 °] 41.58 °