S1M8837 데이터 시트보기 (PDF) - Samsung

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S1M8837

FRACTIONAL-N RF/INTEGER-N IF DUAL PLL

Samsung 

FRACTIONAL-N RF/INTEGER-N IF DUAL PLL

BLOCK DIAGRAM

S1M8836/37

OUT0

24

OUT1

23

VDDIF

22

VDDRF 1

VPRF 2

CPORF 3

DGND 4

finRF 5

RF

LD

RF

Charge

Pump

RF

Phase

Detector

foLD Data Out

Multiplexer

IF

LD

IF

Phase

Detector

IF

Charge

Pump

RF Prescaler

+-

Prescaler

Control

RF

Programmable

Counter

IF Prescaler

-+

IF

Programmable

Counter

Prescaler

Control

21 VPIF

20 CPOIF

19 DGND

18 finIF

finRF 6

GNDRF 7

VDDRFa 8

OSCin 9

RF N-Latch

Frac-N Latch &

Σ −∆ Modulator

RF R-Latch

RF Reference

Counter

IF N-Latch

20-Bit Shift Register

IF R-Latch

IF Reference

Counter

10

foLD

11

RF_EN

12

IF_EN

2-Bit

Control

17 finIF

16 GNDIF

15 LE

14 DATA

13 CLOCK

3

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