|S11| vs. Frequency

|S21| vs. Frequency

|S12| vs. Frequency

|S22| vs. Frequency

Output Power vs. Frequency

Typical S-Parameters Vds = 4.0V, Id = 50mA

SCA-15 DC-3 GHz Cascadable MMIC Amplifier

(S-Parameters include the effects of two 1.0 mil diameter bond wires, each 20 mils long, connected to the gate and drain pads on the die)

522 Almanor Ave., Sunnyvale, CA 94086

Phone: (800) SMI-MMIC

http://www.stanfordmicro.com

-20

-15

-10

-5

0

0.1

1

2

3

10

12

14

16

0.1

1

2

3

-20

-18

-16

-14

-12

-10

0.1

1

2

3

-20

-15

-10

-5

0

0.1

1

2

3

dBm

dB

GHz

GHz

dB

dB

GHz

GHz

dB

GHz

Freq GHz

|S11|

S11 Ang

|S21|

S21 Ang

|S12|

S12 Ang

|S22|

S22 Ang

.100

0.284

125

4.182

152

0.143

-24

0.235

131

.500

0.297

119

4.170

138

0.139

-33

0.249

119

.900

0.320

73

4.042

107

0.135

-58

0.276

75

1.00

0.327

62

4.025

98

0.136

-64

0.285

63

1.50

0.354

8

3.948

60

0.133

-96

0.319

10

2.00

0.360

-44

3.983

21

0.130

-125

0.338

-43

2.50

0.344

-97

3.777

-20

0.133

-157

0.339

-97

3.00

0.307

-152

3.618

-55

0.137

-167

0.320

-151

Typical Performance at 25

°°°°° C (Vds = 4.0V, Ids = 50mA)

12

13

14

15

16

0.1

1

2

3

5-146