IEEE Microwave Magazine - June 2015 - 44

Conductor
Tape

0
Dielectric Slab

-5
Dielectric Slab

-10
-15

Ferrite Slab

Ferrite Slab

Measured S11 (dB)

-20

Ferrite Slab

(a)

Normalized Patterns (dB)

0

0

330

E-Plane

300

-10

30

0
H0 = 0 T
330
0
Lx = 0.0 mm
Lx = 1.0 mm H-Plane
Lx = 1.5 mm

30

(a)

-30

H0 = 0.0 T

5
-5

-15
90

-20
-25

-10

120 240

240
210

0

180

120
210

150

180

Lx = 1.5 mm
Lx = 1 mm
Lx = 0 mm

-10

60

90 270

-20 270

-25

-30

150

(b)

1,460 MHz

H0 = 0.31 T
9.0

9.5

10.0

10.5

11.0

Frequency (GHz)

(b)

(c)

Figure 4. (a) The fabricated ferrite-loaded bow tie slot antenna, (b) the normalized radiation pattern of the antenna at
H 0 = 0 T, and (c) the measured S 11 of the antenna at bias magnetic fields of H 0 = 0 and 0.31 T [53].

Radiating
Slot

H0 = 0 T,
H0 = 0 T,
H0 = 0.24 T,
H0 = 0.24 T,

Capacitor

SL

0

10

30

Sw
Ferrite Slab

CBCPW Via
Shielding

C = 80 fF,
C = 67 fF,
C = 67 fF,
C = 50 fF,

f = 10.82 GHz
f = 10.98 GHz
f = 11.27 GHz
f = 11.84 GHz

-30

0
60

-10

-60

-20
(a)

0

90

-90

;S11; (dB)

-5
30

-10
-15

-20
-25
-30
10.5

11

11.5
12
Frequency (GHz)
(b)

H0 = 0 T, C = 80 fF
H0 = 0.36 T, C = 80 fF
H0 = 0.32 T, C = 67 fF
60
H0 = 0.36 T, C = 67 fF
H0 = 0.28 T, C = 50 fF
H0 = 0.32 T, C = 50 fF
H0 = 0.36 T, C = 50 fF 90
12.5
13

H-Plane
0 10

-30

0
-10

-60

-20
-90
E-Plane
(c)

Figure 5. (a) The fabricated SIW antenna loaded with a capacitor and ferrite slab, (b) the measured S 11 of the antenna
with 2-D electrical and magnetic tuning, and (c) the measured radiation pattern of the antenna (dBi) [54].

44

June 2015



Table of Contents for the Digital Edition of IEEE Microwave Magazine - June 2015

IEEE Microwave Magazine - June 2015 - Cover1
IEEE Microwave Magazine - June 2015 - Cover2
IEEE Microwave Magazine - June 2015 - 1
IEEE Microwave Magazine - June 2015 - 2
IEEE Microwave Magazine - June 2015 - 3
IEEE Microwave Magazine - June 2015 - 4
IEEE Microwave Magazine - June 2015 - 5
IEEE Microwave Magazine - June 2015 - 6
IEEE Microwave Magazine - June 2015 - 7
IEEE Microwave Magazine - June 2015 - 8
IEEE Microwave Magazine - June 2015 - 9
IEEE Microwave Magazine - June 2015 - 10
IEEE Microwave Magazine - June 2015 - 11
IEEE Microwave Magazine - June 2015 - 12
IEEE Microwave Magazine - June 2015 - 13
IEEE Microwave Magazine - June 2015 - 14
IEEE Microwave Magazine - June 2015 - 15
IEEE Microwave Magazine - June 2015 - 16
IEEE Microwave Magazine - June 2015 - 17
IEEE Microwave Magazine - June 2015 - 18
IEEE Microwave Magazine - June 2015 - 19
IEEE Microwave Magazine - June 2015 - 20
IEEE Microwave Magazine - June 2015 - 21
IEEE Microwave Magazine - June 2015 - 22
IEEE Microwave Magazine - June 2015 - 23
IEEE Microwave Magazine - June 2015 - 24
IEEE Microwave Magazine - June 2015 - 25
IEEE Microwave Magazine - June 2015 - 26
IEEE Microwave Magazine - June 2015 - 27
IEEE Microwave Magazine - June 2015 - 28
IEEE Microwave Magazine - June 2015 - 29
IEEE Microwave Magazine - June 2015 - 30
IEEE Microwave Magazine - June 2015 - 31
IEEE Microwave Magazine - June 2015 - 32
IEEE Microwave Magazine - June 2015 - 33
IEEE Microwave Magazine - June 2015 - 34
IEEE Microwave Magazine - June 2015 - 35
IEEE Microwave Magazine - June 2015 - 36
IEEE Microwave Magazine - June 2015 - 37
IEEE Microwave Magazine - June 2015 - 38
IEEE Microwave Magazine - June 2015 - 39
IEEE Microwave Magazine - June 2015 - 40
IEEE Microwave Magazine - June 2015 - 41
IEEE Microwave Magazine - June 2015 - 42
IEEE Microwave Magazine - June 2015 - 43
IEEE Microwave Magazine - June 2015 - 44
IEEE Microwave Magazine - June 2015 - 45
IEEE Microwave Magazine - June 2015 - 46
IEEE Microwave Magazine - June 2015 - 47
IEEE Microwave Magazine - June 2015 - 48
IEEE Microwave Magazine - June 2015 - 49
IEEE Microwave Magazine - June 2015 - 50
IEEE Microwave Magazine - June 2015 - 51
IEEE Microwave Magazine - June 2015 - 52
IEEE Microwave Magazine - June 2015 - 53
IEEE Microwave Magazine - June 2015 - 54
IEEE Microwave Magazine - June 2015 - 55
IEEE Microwave Magazine - June 2015 - 56
IEEE Microwave Magazine - June 2015 - 57
IEEE Microwave Magazine - June 2015 - 58
IEEE Microwave Magazine - June 2015 - 59
IEEE Microwave Magazine - June 2015 - 60
IEEE Microwave Magazine - June 2015 - 61
IEEE Microwave Magazine - June 2015 - 62
IEEE Microwave Magazine - June 2015 - 63
IEEE Microwave Magazine - June 2015 - 64
IEEE Microwave Magazine - June 2015 - 65
IEEE Microwave Magazine - June 2015 - 66
IEEE Microwave Magazine - June 2015 - 67
IEEE Microwave Magazine - June 2015 - 68
IEEE Microwave Magazine - June 2015 - 69
IEEE Microwave Magazine - June 2015 - 70
IEEE Microwave Magazine - June 2015 - 71
IEEE Microwave Magazine - June 2015 - 72
IEEE Microwave Magazine - June 2015 - 73
IEEE Microwave Magazine - June 2015 - 74
IEEE Microwave Magazine - June 2015 - 75
IEEE Microwave Magazine - June 2015 - 76
IEEE Microwave Magazine - June 2015 - 77
IEEE Microwave Magazine - June 2015 - 78
IEEE Microwave Magazine - June 2015 - 79
IEEE Microwave Magazine - June 2015 - 80
IEEE Microwave Magazine - June 2015 - 81
IEEE Microwave Magazine - June 2015 - 82
IEEE Microwave Magazine - June 2015 - 83
IEEE Microwave Magazine - June 2015 - 84
IEEE Microwave Magazine - June 2015 - 85
IEEE Microwave Magazine - June 2015 - 86
IEEE Microwave Magazine - June 2015 - 87
IEEE Microwave Magazine - June 2015 - 88
IEEE Microwave Magazine - June 2015 - 89
IEEE Microwave Magazine - June 2015 - 90
IEEE Microwave Magazine - June 2015 - 91
IEEE Microwave Magazine - June 2015 - 92
IEEE Microwave Magazine - June 2015 - 93
IEEE Microwave Magazine - June 2015 - 94
IEEE Microwave Magazine - June 2015 - 95
IEEE Microwave Magazine - June 2015 - 96
IEEE Microwave Magazine - June 2015 - 97
IEEE Microwave Magazine - June 2015 - 98
IEEE Microwave Magazine - June 2015 - 99
IEEE Microwave Magazine - June 2015 - 100
IEEE Microwave Magazine - June 2015 - 101
IEEE Microwave Magazine - June 2015 - 102
IEEE Microwave Magazine - June 2015 - 103
IEEE Microwave Magazine - June 2015 - 104
IEEE Microwave Magazine - June 2015 - 105
IEEE Microwave Magazine - June 2015 - 106
IEEE Microwave Magazine - June 2015 - 107
IEEE Microwave Magazine - June 2015 - 108
IEEE Microwave Magazine - June 2015 - 109
IEEE Microwave Magazine - June 2015 - 110
IEEE Microwave Magazine - June 2015 - 111
IEEE Microwave Magazine - June 2015 - 112
IEEE Microwave Magazine - June 2015 - 113
IEEE Microwave Magazine - June 2015 - 114
IEEE Microwave Magazine - June 2015 - 115
IEEE Microwave Magazine - June 2015 - 116
IEEE Microwave Magazine - June 2015 - 117
IEEE Microwave Magazine - June 2015 - 118
IEEE Microwave Magazine - June 2015 - 119
IEEE Microwave Magazine - June 2015 - 120
IEEE Microwave Magazine - June 2015 - 121
IEEE Microwave Magazine - June 2015 - 122
IEEE Microwave Magazine - June 2015 - 123
IEEE Microwave Magazine - June 2015 - 124
IEEE Microwave Magazine - June 2015 - 125
IEEE Microwave Magazine - June 2015 - 126
IEEE Microwave Magazine - June 2015 - 127
IEEE Microwave Magazine - June 2015 - 128
IEEE Microwave Magazine - June 2015 - 129
IEEE Microwave Magazine - June 2015 - 130
IEEE Microwave Magazine - June 2015 - 131
IEEE Microwave Magazine - June 2015 - 132
IEEE Microwave Magazine - June 2015 - 133
IEEE Microwave Magazine - June 2015 - 134
IEEE Microwave Magazine - June 2015 - 135
IEEE Microwave Magazine - June 2015 - 136
IEEE Microwave Magazine - June 2015 - 137
IEEE Microwave Magazine - June 2015 - 138
IEEE Microwave Magazine - June 2015 - 139
IEEE Microwave Magazine - June 2015 - 140
IEEE Microwave Magazine - June 2015 - 141
IEEE Microwave Magazine - June 2015 - 142
IEEE Microwave Magazine - June 2015 - 143
IEEE Microwave Magazine - June 2015 - 144
IEEE Microwave Magazine - June 2015 - Cover3
IEEE Microwave Magazine - June 2015 - Cover4
https://www.nxtbook.com/nxtbooks/ieee/microwave_201903
https://www.nxtbook.com/nxtbooks/ieee/microwave_201902
https://www.nxtbook.com/nxtbooks/ieee/microwave_201901
https://www.nxtbook.com/nxtbooks/ieee/microwave_20181112
https://www.nxtbook.com/nxtbooks/ieee/microwave_20180910
https://www.nxtbook.com/nxtbooks/ieee/microwave_20180708
https://www.nxtbook.com/nxtbooks/ieee/microwave_201806
https://www.nxtbook.com/nxtbooks/ieee/microwave_201805
https://www.nxtbook.com/nxtbooks/ieee/microwave_201803
https://www.nxtbook.com/nxtbooks/ieee/microwave_january2018
https://www.nxtbook.com/nxtbooks/ieee/microwave_november2017
https://www.nxtbook.com/nxtbooks/ieee/microwave_september2017
https://www.nxtbook.com/nxtbooks/ieee/microwave_july2017
https://www.nxtbook.com/nxtbooks/ieee/microwave_june2017
https://www.nxtbook.com/nxtbooks/ieee/microwave_may2017
https://www.nxtbook.com/nxtbooks/ieee/microwave_march2017
https://www.nxtbook.com/nxtbooks/ieee/microwave_january2017
https://www.nxtbook.com/nxtbooks/ieee/microwave_december2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_november2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_october2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_september2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_august2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_july2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_june2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_may2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_april2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_march2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_february2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_january2016
https://www.nxtbook.com/nxtbooks/ieee/microwave_december2015
https://www.nxtbook.com/nxtbooks/ieee/microwave_november2015
https://www.nxtbook.com/nxtbooks/ieee/microwave_october2015
https://www.nxtbook.com/nxtbooks/ieee/microwave_september2015
https://www.nxtbook.com/nxtbooks/ieee/microwave_august2015
https://www.nxtbook.com/nxtbooks/ieee/microwave_july2015
https://www.nxtbook.com/nxtbooks/ieee/microwave_june2015
https://www.nxtbook.com/nxtbooks/ieee/microwave_may2015
https://www.nxtbook.com/nxtbooks/ieee/microwave_april2015
https://www.nxtbook.com/nxtbooks/ieee/microwave_march2015
https://www.nxtbook.com/nxtbooks/ieee/microwave_january2015
https://www.nxtbookmedia.com