2.4GHz SiGe,

High IP3 Low-Noise Amplifier

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7

Table 3. MAX2644 Typical Scattering Parameters

FREQ.

(MHz)

S11

MAG

S11 PHASE

(DEGREES)

S21

MAG

S21 PHASE

(DEGREES)

S12

MAG

S12 PHASE

(DEGREES)

S22

MAG

S22 PHASE

(DEGREES)

2200

0.4894

-75.32

3.7368

-173.73

0.0348

156.35

0.2729

-62.97

2250

0.4566

-72.73

3.7718

-177.51

0.0363

147.30

0.2459

-53.68

2300

0.4335

-68.17

3.8855

177.43

0.0369

132.32

0.2211

-41.12

2350

0.4343

-61.46

3.9783

171.34

0.0344

116.21

0.2177

-21.15

2400

0.4695

-57.00

4.0230

165.15

0.0272

95.31

0.2823

-2.41

2450

0.5156

-57.52

4.0087

157.68

0.0179

70.07

0.3924

1.25

2500

0.5403

-61.04

3.8380

149.58

0.0079

42.40

0.4849

-2.71

2550

0.5423

-63.93

3.5140

143.30

0.0018

-46.47

0.5476

-7.30

2600

0.5361

-66.30

3.2048

140.25

0.0055

-112.91

0.5881

-11.35

2650

0.5280

-68.08

3.1204

138.55

0.0100

-132.25

0.6170

-14.57

2700

0.5217

-69.29

3.0860

132.16

0.0121

-133.97

0.6418

-17.44

Table 4. MAX2644 Typical Noise

Ω

FREQUENCY

(MHz)

(dB)

ANGLE

(

Ω)

2400

1.725

0.361

66.13

24.38

2450

1.747

0.360

66.93

24.76

2500

1.769

0.358

67.72

25.14

Table 5. MAX2644 Typical Noise

Ω

FREQUENCY

(MHz)

(dB)

ANGLE

(

Ω)

2400

1.570

0.409

69.84

21.77

2450

1.589

0.408

70.63

21.94

2500

1.609

0.406

71.63

22.42

Table 6. MAX2644 Typical Noise

Ω

FREQUENCY

(MHz)

(dB)

ANGLE

(

Ω)

2400

1.497

0.510

86.55

20.58

2450

1.517

0.507

86.50

20.90

2500

1.538

0.504

88.18

21.25

Chip Information

TRANSISTOR COUNT: 87