900MHz SiGe, High IP3,

Low-Noise Amplifiers

12

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Table 6. MAX2642 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)

500

0.822139

-66.5029

0.116321

-174.275

0.03386

162.1213

0.879442

-73.74798

600

0.808058

-80.314

0.439837

-143.103

0.065964

146.0581

0.724703

-99.6653

700

0.755255

-93.0574

0.72921

-170.915

0.0999

121.1126

0.457496

-126.0206

800

0.703243

-101.403

0.838753

160.4014

0.115609

98.56961

0.181063

-141.9359

820

0.694461

-102.693

0.839017

155.3972

0.116069

94.64113

0.138616

-140.7761

840

0.687512

-103.96

0.836295

150.551

0.117021

92.14834

0.098228

-136.1769

860

0.683106

-105.16

0.82921

145.8221

0.116949

88.49732

0.068493

-122.4536

880

0.678346

-106.424

0.818297

141.5384

0.119552

86.39616

0.049577

-93.92001

900

0.674815

-107.654

0.807407

137.4799

0.121372

83.98519

0.052964

-64.05054

920

0.672424

-109.092

0.791395

133.7297

0.122328

80.33097

0.070844

-44.45571

940

0.671111

-110.488

0.775375

129.9834

0.120584

78.46327

0.089595

-37.15094

960

0.669825

-111.738

0.757139

126.6652

0.120221

75.62165

0.110248

-31.16879

980

0.670457

-113.266

0.737655

123.3462

0.120881

73.65825

0.125584

-29.76813

1000

0.669392

-114.649

0.719178

120.6109

0.11967

71.31908

0.14489

-28.6178

1100

0.674741

-120.914

0.638029

109.1083

0.123318

66.28802

0.21152

-30.89364

1200

0.675283

-127.763

0.575544

100.3768

0.125601

58.42145

0.264377

-34.10688

1300

0.679379

-134.523

0.52948

92.75184

0.126691

54.07481

0.308252

-38.78385

1400

0.682813

-139.869

0.494615

86.94255

0.133067

49.83734

0.348366

-44.59462

1500

0.681251

-145.854

0.462984

79.4068

0.128294

43.41453

0.386044

-50.022