SKY73101 Datasheet, PDF (2/13 Pages) Skyworks Solutions Inc. – 1800-1990 MHz High Performance VCO/Synthesizer With Integrated Switch

PRELIMINARY DATA SHEET • SKY73101 VCO/SYNTHESIZER
Vtune
FREF
7
LD
Lr
VCO Out +
Lr
Cal
2
2
2 ^Buffer
VCO Out –
7
cap [6:0]
Flag
Vtune
PLL
Low Pass Filter
SR Out +
2
SR Out –
R1
R1
Divider
SP1
SC1
CPO RF
RF
RF Charge
PFD
Pump
N
3-Wire
Serial
Interface
PS
Mux
FN
(LD/Test)
ME
N
Divider
P/P+1
Prescaler
ΔΣ
Modulator
Divide-by-2
Digital
Coarse
Calibration
cap [6:0]
7
Calibration
Complete
RFIN
RFINB
Z = 1:4
RF Output
SW_EN
CLK
LE
DAT
Figure 2. SKY73101 Functional Block Diagram
Table 1. SKY73101 Signal Descriptions
Pin #
Name
Description
1
GND
Ground
2
GND
Ground
3
GND
Ground
4
SW_EN
Synthesizer RF output switch enable
5
GND
Ground
6
GND
Ground
7
GND
Ground
8
GND
Ground
9
GND
Ground
10 RF_OUT
Synthesizer output
11 GND
Ground
12 GND
Ground
13 GND
Ground
14 N/C
No connection
15 GND
Ground
16 GND
Ground
17 CLK
Serial port clock
18 DATA
Serial port data
19 LE
Serial port latch enable
Pin #
Name
20 GND
21 N/C
22 LD
23 FREF
24 GND
25 GND
26 GND
27 N/C
28 GND
29 GND
30 GND
31 GND
32 GND
33 N/C
34 GND
35 GND
36 GND
37 VDD
38 GND
S1040
Description
Ground
No connection
Lock detect output
Frequency reference input
Ground
Ground
Ground
No connection
Ground
Ground
Ground
Ground
Ground
No connection
Ground
Ground
Ground
+5 V power supply
Ground
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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June 20, 2007 • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • 200724A