MSC1318.PDF 10-25-99

MRF581/MRF581A

FUNCTIONAL

Symbol

Test Conditions

Value

Min.

Typ.

Max.

Unit

NFmin

Minimum Noise Figure

MRF581

(IC = 50 mAdc, VCE = 10 Vdc, f = 0.5 GHz)

MRF581A

-

2.5

2.0

3.0

3.0

dB

G

NF

Power Gain @ NFmin

(IC = 50 mAdc, VCE = 10 Vdc, f = 0.5 GHz)

13

15.5

dB

G

U max

Maximum Unilateral Gain (1)

IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz

-

17.8

-

dB

MSG

Maximum Stable Gain

IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz

-

20

-

dB

2

Insertion Gain

IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz

14

15

-

dB

Table 1. Common Emitter S-Parameters, @ VCE = 10 V, IC = 50 mA

f

S11

S21

S12

S22

(MHz)

|S11|

∠ φ

|S21|

∠ φ

|S12|

∠ φ

|S22|

∠ φ

100

.610

-137

23.8

116

.026

46

.522

-78

200

.659

-161

13.2

98

.033

47

.351

-106

300

.671

-171

9.0

89

.040

51

.304

-120

400

.675

-178

6.8

83

.047

55

.292

-128

500

.677

176

5.5

77

.055

58

.293

-132

600

.678

172

4.6

72

.064

61

.299

-134

700

.677

168

4.0

68

.073

62

.306

-135

800

.679

184

3.5

64

.082

63

.314

-136

900

.678

160

3.1

60

.092

64

.322

-138

1000

.682

156

2.8

56

.102

65

.311

-139