8

Figure 21.

Notes: Measurements are made on 10 mils Rogers R04350 TRL Board.

Figure 21 shows the input and output reference plane for Q2.

MGA-13216 Q2 Typical Scattering Parameters, Vdd2 = 5 V, Idd2 = 122 mA

Freq

GHz

S11

S21

S12

S22

Mag.

Ang.

Mag.

Ang.

Mag.

Ang.

Mag.

Ang.

0.1

0.87

171.29

0.14

-111.79

0.00

88.11

0.82

173.63

0.5

0.85

138.30

1.52

-81.16

0.01

96.29

0.77

145.63

0.9

0.69

96.98

5.52

-124.77

0.03

86.36

0.56

112.53

1.0

0.59

84.76

6.84

-140.78

0.03

78.00

0.46

104.58

1.5

0.18

130.00

9.14

138.88

0.05

25.63

0.23

144.28

1.9

0.30

121.10

8.18

98.15

0.05

-1.96

0.28

138.20

2.0

0.30

114.38

8.01

89.78

0.05

-7.84

0.28

135.20

2.5

0.21

68.24

7.54

51.45

0.04

-38.95

0.19

126.38

3.0

0.15

-47.90

7.51

11.84

0.03

-81.84

0.11

159.70

4.0

0.66

169.12

5.52

-78.67

0.02

135.07

0.26

144.46

5.0

0.96

114.66

2.62

-162.85

0.03

69.66

0.16

-134.63

6.0

0.90

85.78

0.78

134.59

0.04

39.96

0.44

-174.12

7.0

0.90

66.82

0.29

99.54

0.04

20.92

0.45

142.19

8.0

0.97

49.53

0.15

61.95

0.04

2.45

0.58

118.39

9.0

0.94

31.72

0.07

18.92

0.03

-23.65

0.69

89.18

10.0

0.96

16.48

0.02

-2.22

0.00

-27.52

0.68

32.18

11.0

0.96

7.02

0.03

70.89

0.02

72.90

0.85

-28.05

12.0

0.97

-0.97

0.04

37.99

0.04

32.78

0.66

-92.36

13.0

0.91

-10.74

0.03

8.76

0.04

0.04

0.57

-160.08

14.0

0.95

-16.10

0.01

-6.28

0.01

-30.22

0.55

139.91

15.0

0.98

-24.91

0.02

119.58

0.02

136.32

0.59

97.39

16.0

0.94

-41.02

0.05

107.64

0.05

111.77

0.65

67.01

17.0

0.96

-54.68

0.09

88.59

0.09

90.04

0.66

37.97

18.0

0.95

-63.44

0.15

61.31

0.15

61.66

0.70

5.63

19.0

0.88

-61.13

0.19

1.11

0.19

1.14

0.52

-29.99

20.0

0.92

-57.92

0.11

55.82

0.11

55.64

0.47

-2.21

15

12

14

11

13

9

8

7

6

5

4

2

16

10

3

1

bias

LNA2

LNA1

RF output

Reference Plane

RF input

Reference Plane

MGA-13216 Q2 Typical Noise Parameters, Vdd2 = 5 V,

Idd2 = 122 mA

Freq

GHz

Fmin

dB

Γopt

Mag.

Γopt

Ang.

Rn/50

1.50

2.21

0.314

-77.0

0.3470

1.70

2.23

0.183

-62.8

0.3638

1.95

2.15

0.188

-81.0

0.2762

2.00

2.20

0.187

-81.5

0.2844

2.20

2.06

0.165

-87.0

0.2558

2.50

2.20

0.140

-99.5

0.2542

2.70

2.29

0.132

-116.7

0.2426

2.90

2.20

0.176

-149.2

0.1972