DATA SHEET • SKY73103-11 VCO/SYNTHESIZER

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

2

November 30, 2009 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200649D

Vtune

Lr

Cal

Vtune

R1

SP1

SC1

FN

ME

N

PS

CPO RF

Calibration

Complete

cap [6:0]

R1

Divider

RF

PFD

Mux

(LD/Test)

RF Charge

Pump

N

Divider

ΔΣ

Modulator

cap [6:0]

Flag

7

7

7

2

2

2

2

Lr

S1040

Divide-by-2

P/P+1

Prescaler

Buffer

VCO Out +

RF Output

Z = 1:4

VCO Out –

SR Out +

SR Out –

PLL

Low Pass Filter

3-Wire

Serial

Interface

Digital

Coarse

Calibration

FREF

CLK

SW_EN

LE

DAT

LD

Figure 2. SKY73103-11 Functional Block Diagram

Table 1. SKY73103-11 Signal Descriptions

Pin #

Name

Description

Pin #

Name

Description

1

GND

Ground

20

GND

Ground

2

GND

Ground

21

N/C

No connection

3

GND

Ground

22

LD

Lock detect output

4

SW_EN

Synthesizer RF output switch enable

23

FREF

Frequency reference input

5

GND

Ground

24

GND

Ground

6

GND

Ground

25

GND

Ground

7

GND

Ground

26

GND

Ground

8

GND

Ground

27

N/C

No connection

9

GND

Ground

28

GND

Ground

10

RF_OUT

Synthesizer output

29

GND

Ground

11

GND

Ground

30

GND

Ground

12

GND

Ground

31

GND

Ground

13

GND

Ground

32

GND

Ground

14

N/C

No connection

33

N/C

No connection

15

GND

Ground

34

GND

Ground

16

GND

Ground

35

GND

Ground

17

CLK

Serial port clock

36

GND

Ground

18

DATA

Serial port data

37

VDD

+5 V power supply

19

LE

Serial port latch enable

38

GND

Ground