NE680 datasheet(9/19 Pages) NEC

9 / 19 page

VCE = 6 V, IC = 10 mA

0.13

35.5

0.25

31.3

0.48

28.4

0.77

24.5

0.91

21.9

0.98

19.6

1.04

16.8

1.05

15.0

1.06

13.6

1.05

12.6

1.05

11.8

1.05

10.9

1.05

9.2

1.03

8.1

1.01

7.3

0.98

6.8

0.97

6.0

0.95

5.2

.817

-10.6

21.366

168.2

.006

85.7

.974

-5.5

100

.769

-21.7

20.130

156.0

.015

80.5

.936

-10.5

200

.628

-40.1

16.661

136.5

.024

71.6

.826

-17.6

400

.403

-60.5

11.063

113.0

.039

69.4

.679

-20.7

600

.281

-70.3

7.969

100.1

.052

70.5

.623

-21.3

800

.209

-75.2

6.153

91.4

.067

71.0

.594

-22.3

1000

.158

-77.4

4.995

84.2

.079

70.8

.582

-23.3

1200

.129

-81.3

4.190

78.8

.096

72.2

.564

-26.1

1400

.087

-81.5

3.651

74.3

.112

70.8

.551

-26.6

1600

.062

-77.2

3.247

69.3

.129

69.3

.556

-28.7

1800

.041

-71.7

2.915

64.9

.142

68.2

.555

-30.6

2000

.025

-76.9

2.655

60.6

.157

66.5

.555

-32.9

2500

.022

34.5

2.171

51.5

.192

63.8

.549

-38.7

3000

.048

59.7

1.874

43.0

.229

61.2

.542

-43.8

3500

.080

65.8

1.658

35.3

.270

58.0

.530

-50.4

4000

.126

68.2

1.514

28.0

.314

53.3

.514

-57.6

4500

.161

70.1

1.411

20.7

.357

49.4

.478

-66.2

5000

.232

68.1

1.330

13.9

.406

45.0

.426

-76.0

TYPICAL COMMON EMITTER SCATTERING PARAMETERS (TA = 25°C)

FREQUENCY

S11

S21

S12

S22

MAG1

(MHz)

MAG

ANG

MAG

ANG

MAG

ANG

MAG

ANG

(dB)

100

.967

-8.2

3.635

170.6

.019

81.5

.990

-4.1

400

.903

-29.4

3.254

147.9

.069

71.0

.948

-16.8

800

.732

-53.1

2.758

121.3

.116

56.2

.846

-29.0

1000

.658

-62.8

2.508

110.3

.131

51.9

.801

-33.5

1500

.478

-83.0

2.043

88.2

.154

46.9

.715

-41.4

2000

.349

-100.5

1.708

71.1

.173

46.2

.663

-47.5

2500

.242

-114.6

1.507

56.5

.194

48.6

.633

-53.4

3000

.155

-136.7

1.371

44.6

.227

50.9

.609

-59.7

VCE = 2.5 V, IC = 3 mA

100

.906

-13.9

9.367

165.4

.019

84.5

.972

-7.4

400

.704

-43.9

7.037

130.3

.058

65.0

.821

-23.5

800

.448

-64.8

4.712

103.1

.093

60.4

.670

-31.2

1000

.370

-71.3

3.960

93.7

.106

59.8

.632

-33.1

1500

.241

-80.5

2.864

76.6

.144

59.3

.582

-37.1

2000

.167

-85.7

2.263

63.0

.181

58.0

.563

-41.8

2500

.104

-81.4

1.916

51.6

.221

56.3

.552

-47.0

3000

.065

-78.4

1.700

41.6

.264

53.4

.541

-53.3

0.14

22.8

0.23

16.7

0.48

13.8

0.58

12.8

0.82

11.2

1.00

9.9

1.10

7.0

1.11

5.8

0.1

26.9

0.48

20.8

0.78

17.0

0.88

15.7

1.00

13.0

1.05

9.6

1.06

7.9

1.03

7.0

NE680 SERIES

NE68033

VCE = 2.5 V, IC = 1 mA

Coordinates in Ohms

Frequency in GHz

(VCE = 2.5 V, IC = 1 mA)

1.5

-.2

-.4

-.6

-.8

-1

-1.5

-2

-3

-4

-5

-10

-20

1.5

S22

0.1 GHz

S11

0.1 GHz

S11

5 GHz

S22

5 GHz

90˚

270˚

180˚

225˚

315˚

135˚

45˚

0˚

2.5

0.1

0.2

S12

0.1 GHz

S21

5 GHz

S21

0.1 GHz

S12

5 GHz

Note:

1.Gain Calculations:

MAG =

|S21|

|S12|

K - 1

(K ±

∆ = S11 S22 - S21 S12

When K

≤ 1, MAG is undefined and MSG values are used. MSG = |S

|S12|

, K = 1 + | ∆ | - |S

| - |S22|

2 |S12 S21|

MAG = Maximum Available Gain

MSG = Maximum Stable Gain

NE680 Datasheet(PDF) 9 Page - NEC

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