HI-IF Single-Chip Broadband Tuners

14

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MAX3570

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

48

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46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

VCC

RFIN+

RFIN-

GND

GND

TUNE1

LOCFLT1

GND

I.C.

GND

TUNE2

LOCFLT2

GND

CPOUT2

IFOUT1-

IFOUT1+

GND

HI-IF

FILTER

3-WIRE SERIAL

INTERFACE

DUAL SYNTHESIZER

CS

SERIAL INTERFACE

FROM DAC

IF OUTPUT

TO ADC

FROM DAC

RF

INPUT

Typical Application Circuit