Complete, Direct-Conversion Tuner for DVB-S

and Free-to-Air Applications

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5

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.5

3.4

3.3

3.2

3.1

89

90

91

92

93

94

95

96

97

98

88

3.0

3.6

°C

°C

°C

STANDBY MODE SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

3.5

3.4

3.3

3.2

3.1

2.400

2.500

2.600

2.700

2.800

2.900

2.300

3.0

3.6

°C

°C, +25°C

SUPPLY CURRENT

vs. BASEBAND FILTER CUTOFF FREQUENCY

BASEBAND FILTER CUTOFF FREQUENCY (MHz)

36

28

32

24

20

16

12

8

86

88

90

92

94

96

98

100

102

104

84

440

HD3 vs. OUTPUT VOLTAGE

3.0

2.5

2.0

1.5

-55

-50

-45

-40

-35

-30

-25

-20

-15

-10

-60

1.0

3.5

QUADRATURE PHASE vs. LO FREQUENCY

LO FREQUENCY (MHz)

2100

1800

1500

1200

87.5

88.5

89.5

90.5

91.5

92.5

93.5

86.5

900

2400

°C

°C

°C

QUADRATURE MAGNITUDE MATCHING

vs. LO FREQUENCY

LO FREQUENCY (MHz)

2100

1800

1500

1200

-0.6

-0.4

-0.2

0.2

0

0.4

0.6

0.8

1.0

-1.0

-0.8

900

2400

°C

°C

°C

QUADRATURE PHASE

vs. BASEBAND FREQUENCY

BASEBAND FREQUENCY (MHz)

16

12

8

4

87.5

88.5

89.5

90.5

91.5

92.5

93.5

86.5

020

°C

°C

°C

QUADRATURE MAGNITUDE MATCHING

vs. BASEBAND FREQUENCY

BASEBAND FREQUENCY (MHz)

16

12

8

4

-0.6

-0.4

-0.2

0.2

0

0.4

0.6

0.8

1.0

-1.0

-0.8

020

°C

°C

°C

Typical Operating Characteristics

except ICP = 1 and BBG[3:0] = 1011.)