Adjustable, High-Linearity,

SiGe Dual-Band LNA/Mixer ICs

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19

Table 10. PCS Mixer S11 in High-Gain

High-Linearity Mode

Table 11. Mixer IF Port S22

DIGITAL MIXER

-1.10

50

0.999

-2.26

100

0.999

-2.46

110

0.999

-2.89

130

0.998

-3.35

150

0.998

-4.45

200

0.998

-4.67

210

0.998

-5.48

250

0.997

-6.48

300

0.997

-7.47

350

0.996

-8.36

400

0.996

S22

(phase)

FREQUENCY

(MHz)

S22

(mag)

FM MIXER

-7.82

-1.69

50

0.999

250

0.995

-9.06

300

0.994

-10.28

-2.38

70

0.998

350

-2.92

85

0.998

0.993

-11.40

400

0.992

S22

(phase)

FREQUENCY

(MHz)

S22

(mag)

-3.38

100

0.997

-3.71

110

0.997

-4.97

150

0.996

-6.49

200

0.995

FREQUENCY

(MHz)

1700

1750

1800

1850

1900

1950

2000

2050

2100

2150

2200

2250

2300

2350

2400

2450

2500

S11

(mag)

0.865

0.864

0.865

0.867

0.863

0.862

0.861

0.879

0.86

0.858

0.854

0.85

0.845

0.838

0.83

0.825

0.805

S11

(phase)

-62

-63

-64

-64

-65

-65

-66

-67

-68

-68

-69

-71

-72

-74

-76

-78

-82