MSC1308.PDF 10-25-99

BFR91

FUNCTIONAL

Symbol

Test Conditions

Value

Min.

Typ.

Max.

Unit

NF

Noise Figure

(IC = 2.0 mAdc, VCE = 5.0 Vdc, f = 0.5 GHz)

(IC = 2.0 mAdc, VCE = 5.0 Vdc, f = 1.0 GHz)

-

1.9

2.5

-

dB

GNF

Power Gain at Optimum Noise Figure

(IC = 2.0 mAdc, VCE = 5.0 Vdc, f = 0.5 GHz)

(IC = 2.0 mAdc, VCE = 5.0 Vdc, f = 1.0 GHz)

-

11

8.0

-

dB

2

Insertion Gain

(IC = 30 mAdc, VCE = 5.0 Vdc, f = 0.5 GHz)

(IC = 30 mAdc, VCE = 5.0 Vdc, f = 1.0 GHz)

14.5

15.5

10.2

-

dB

MSG

Maximum Stable Gain

(IC = 30 mAdc, VCE = 5.0 Vdc, f = 0.5 GHz)

(IC = 30 mAdc, VCE = 5.0 Vdc, f = 1.0 GHz)

-

18.6

12.9

-

dB

G

U max

Maximum Unilateral Gain (1)

(IC = 30 mAdc, VCE = 5.0 Vdc, f = 0.5 GHz)

(IC = 30 mAdc, VCE = 5.0 Vdc, f = 1.0 GHz)

-

16.5

10.9

-

dB

Table 1. Common Emitter S-Parameters, @ VCE = 5.0 V, IC = 30 mA

f

S11

S21

S12

S22

(MHz)

|S11|

∠ φ

|S21|

∠ φ

|S12|

∠ φ

|S22|

∠ φ

100

0.258

-115

25.77

123

0.021

76

0.536

-33

200

0.290

-149

14.66

103

0.038

74

0.384

-43

300

0.298

-164

10.05

94

0.054

75

0.311

-45

500

0.305

-179

6.18

84

0.085

75

0.264

-49

700

0.302

170

4.5

77

0.117

73

0.256

-52

800

0.304

166

3.98

73

0.133

72

0.257

-54

1000

0.304

158

3.24

67

0.166

70

0.251

-57

1500

0.256

134

2.3

54

0.24

65

0.263

-69