TYPICAL COMMON EMITTER SCATTERING PARAMETERS

100

0.827

-20.8

19.513

163.9

0.012

88.3

0.964

-7.0

0.03

32.1

200

0.809

-49.5

17.981

151.0

0.022

65.5

0.894

-16.8

0.13

29.1

500

0.742

-101.1

12.631

123.0

0.038

42.2

0.691

-27.4

0.28

25.2

1000

0.701

-139.2

7.498

101.5

0.047

36.7

0.536

-29.0

0.47

22.0

1500

0.689

-156.6

5.182

90.4

0.049

33.0

0.483

-28.6

0.71

20.2

2000

0.686

-167.2

3.959

82.0

0.053

35.0

0.461

-29.2

0.88

18.7

3000

0.687

179.8

2.687

69.7

0.061

45.9

0.447

-33.6

1.11

14.4

4000

0.693

172.2

2.048

59.1

0.071

48.7

0.449

-40.6

1.21

11.8

5000

0.699

166.6

1.662

49.8

0.081

53.2

0.454

-48.0

1.27

10.0

6000

0.708

162.1

1.431

41.1

0.096

57.0

0.473

-57.1

1.15

9.4

7000

0.717

157.0

1.250

31.7

0.116

56.6

0.490

-66.8

0.99

10.3

8000

0.721

151.7

1.105

23.3

0.125

56.9

0.519

-76.0

0.97

9.5

9000

0.725

145.5

0.989

14.2

0.146

55.9

0.549

-86.4

0.83

8.3

10000

0.726

137.6

0.868

5.9

0.169

54.9

0.582

-96.0

0.74

7.1

11000

0.724

131.2

0.773

-2.0

0.179

51.9

0.621 -104.8

0.71

6.4

12000

0.722

123.6

0.673

-9.7

0.192

49.0

0.663 -114.1

0.69

5.4

100

0.665

-47.0

38.130

154.1

0.011

90.0

0.885

-15.0

0.01

35.4

200

0.664

-85.3

31.089

135.9

0.017

70.3

0.753

-26.0

0.12

32.6

500

0.663

-135.8

16.975

108.9

0.025

45.4

0.504

-30.8

0.45

28.3

1000

0.663

-161.1

9.066

93.2

0.028

49.5

0.404

-27.0

0.82

25.1

1500

0.667

-171.7

6.113

84.9

0.036

49.6

0.377

-26.3

0.97

22.3

2000

0.669

-178.4

4.627

78.3

0.042

53.2

0.369

-26.6

1.10

18.5

3000

0.676

172.7

3.112

67.9

0.054

59.2

0.361

-31.6

1.25

14.6

4000

0.686

167.3

2.361

58.6

0.071

62.6

0.362

-38.5

1.21

12.5

5000

0.693

162.6

1.913

50.1

0.086

63.5

0.372

-45.8

1.19

10.8

6000

0.705

159.0

1.643

42.2

0.103

65.1

0.386

-55.5

1.08

10.3

7000

0.719

154.5

1.433

33.3

0.123

63.2

0.405

-65.0

0.94

10.7

8000

0.727

149.4

1.266

25.4

0.133

60.6

0.433

-74.2

0.91

9.8

9000

0.726

143.5

1.134

16.7

0.153

60.4

0.464

-84.5

0.84

8.7

10000

0.733

135.9

1.001

8.4

0.171

57.3

0.500

-94.4

0.76

7.7

11000

0.732

129.4

0.897

0.5

0.185

53.9

0.546 -103.2

0.71

6.9

12000

0.728

122.1

0.787

-7.1

0.197

51.8

0.587 -112.6

0.72

6.0

S-Parameters include bond wires.

BASE: Total 1 wire (s), 1 per bond pad, 0.0122" (309 µm) long each wire.

COLLECTOR: Total 1 wire (s), 1 per bond pad, 0.008" (203 µm) long each wire.

EMITTER: Total 2 wire (s), 1 per side, 0.0194" (494 µm) long each wire.

WIRE: 0.0007" (17.7 µm) dia., gold.

NE68100

FREQUENCY

K

(MHz)

MAG

ANG

MAG

ANG

MAG

ANG

MAG

ANG

(dB)

Coordinates in Ohms

Frequency in GHz

NE681 SERIES

Note:

1. Gain Calculations:

MAG = Maximum Available Gain

MSG = Maximum Stable Gain

MAG =

K - 1

).

2

When K

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

21

|

, K = 1 + | ∆ | - |S

11

2

2

2

,

j50

j25

j10

0

-j10

-j25

-j50

-j100

j100

0

10

25

50

100

17 GHz

0.1 GHz

17 GHz

0.1 GHz

120˚

90˚

60˚

30˚

150˚

180˚

-150˚

-120˚

-90˚

-60˚

-30˚

0˚

20

15

10

0.5

0.4

0.3

0.2

0.1

17 GHz

0.1 GHz

17 GHz

0.1 GHz