SKY73112 Skyworks Solutions, SKY73112 Datasheet - Page 2

• Manufacturer Part Number: SKY73112
• Description: High Performance VCO/Synthesizer
• Manufacturer: Skyworks Solutions

PRELIMINARY DATA SHEET • SKY73112 VCO/SYNTHESIZER
Table 1. SKY73112 Signal Descriptions
2
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Pin #
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
FREF
GND
GND
GND
SW_EN
GND
GND
GND
GND
GND
RF_OUT
GND
GND
GND
N/C
GND
GND
CLK
DATA
LE
LD
July 9, 2007 • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • 200736A
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
Name
Vtune
7
Ground
Ground
Ground
Synthesizer RF output switch enable
Ground
Ground
Ground
Ground
Ground
Synthesizer output
Ground
Ground
Ground
No connection
Ground
Ground
Serial port clock
Serial port data
Serial port latch enable
Lr
Lr
cap [6:0]
Flag
Divider
R1
R1
7
Description
Figure 2. SKY73112 Functional Block Diagram
Cal
PFD
SP1
RF
Low Pass Filter
(LD/Test)
Mux
PLL
Vtune
2
FN
ME
RF Charge
Pump
SC1
Modulator
2
Divider
ΔΣ
N
N
CPO RF
cap [6:0]
Calibration
Divide-by-2
Coarse
Digital
Pin #
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
7
2
2
Buffer
Calibration
Complete
Prescaler
P/P+1
GND
N/C
LD
FREF
GND
GND
GND
N/C
GND
GND
GND
GND
GND
N/C
GND
GND
GND
VDD
GND
PS
Interface
3-Wire
Serial
VCO Out +
VCO Out –
SR Out +
SR Out –
Name
RF
RF
IN
INB
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
Z = 1:4
Description
RF Output
SW_EN
CLK
LE
DAT
S1040