SKY72310 Datasheet, PDF (17/19 Pages) List of Unclassifed Manufacturers – SKY72310: Spur-Free, 2.1 GHz Single Fractional-N Frequency Synthesizer

DATA SHEET • SKY72310 FREQUENCY SYNTHESIZER
VCCMecl/cml
3V
R4
C1
C2
DNI
DNI
DNI
To Microprocessor
VNA-25
J1
C5
68 pF
6
1
DNI
VCC
3
R74
18 Ω
OUT
IN
R73
120 Ω
8 _{7 5 42}
VCCMecl/cml
3V
R22
DNI
R75
120 Ω
R76
18 Ω
R24
18 Ω
C14
C13
DNI
DNI
VCCMecl/cml
3V
R30
10 Ω
24 23 22 21 20
19
R16
10 Ω
VCCD_FNFS
CD9
CD10
1 μF
100 pF
VNA-25
C15
C16
DNI 1
1 μF
100 pF
1 _{VCCcml_main}
VCCEXT1
R36 R26
120 Ω 120 Ω
VCC
3
IN
OUT
R32
18 Ω
R39
245 ^{7 8}
6
R33
18 Ω
R34
18 Ω
C22
DNI
ETC1-1-13
5
4
T2
1
2_×
3
C18
22 pF
C20
22 pF
2 _{Fvco_main}
3 _{Fvco_main}
JP5
VCCMecl/cml
18 Ω
1
3V
C30
4 _LD/PSmain
2
R80
10 Ω
R56
DNI
39 pF
OSC2 2
3 _VCC
C48
C49 C50
R52
DNI
R48
2 kΩ
VCCCPM
3V
R40 _C25
10 Ω _{1 μF}
C26
100 pF
5 _{VCCcp_main}
6 _{CPout_main}
68 pF
1 nF 1 μF
4
GND
C47
330 pF
R51
750 Ω
18
N/C ×
N/C ¹⁷ ×
N/C ^{16 ×}
15
N/C ×
14
N/C ×
N/C ¹³ ×
1 V614ME01
R47
2 kΩ
R58
VCCMecl/cml
JP1
R13 ^{3 V}
DNI
R46
C45
0Ω
100 pF
0Ω
C46
470 pF
1
C53
0.022 μF
7
8
9 10 11 12
×
L1
DNI
C36
VCCXA
R44 3 V
10 Ω
C37
2
R83
0Ω
R84 ^{1 μF}
0Ω
1 nF
R21
C42
0Ω
C34
C35
22 pF
1 μF
100 pF
C41
22 pF
Y1
24 MHz
Power Supply
R68
R69
0Ω
L7
0Ω
BLM21A601S
VCCCPM
3V
JP4
1
C66
C65 +
2
0.1 μF
10 μF
L8
BLM21A601S
R71
0Ω
VCCD_FNFS
L6
BLM21A601S
C64
0.1 μF
C63 +
10 μF
VCXA
3V
L3
BLM21A601S
C60
0.1 μF
C59 +
10 μF
J3
L11
BLM21A601S
VCCMecl/cml
3V
L10
BLM21A601S
C72
0.1 μF
C71 + C70 +
L12 ^{10 μF}
0.1 μF
BLM21A601S
C68 +
10 μF
VCCMecl/cml
3V
R49
DNI
VCCMecl/cml
3V
R72
DNI
C55
DNI
C43
C44
DNI
DNI
A1
L2
DNI
ERA-3SM
DNI
3
OUT
1
IN
J6
C74
DNI
DNI
C51
DNI
C52
4
DNI
2
R57
R59
DNI
DNI
R61
DNI
TTS05V-19.2MHz
C54
DNI
DNI
4 _{VDD OUT} 3
C56
2 _{GND VCONT} 1
DNI
R60
DNI
VCCMecl/cml
3V
R62
C57
DNI
C58
DNI
R63 DNI
DNI
S1269
Figure 14. SKY72310 Application Schematic (With Non-Skyworks VCO)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
200705E • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • July 30, 2008
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