sky73134-11 Skyworks Solutions, Inc., sky73134-11 Datasheet - Page 2

• Manufacturer Part Number: sky73134-11
• Description: Sky73134-11 Wideband Pll Frequency Synthesizer
• Manufacturer: Skyworks Solutions, Inc.

PRELIMINARY DATA SHEET • SKY73134-11 FREQUENCY SYNTHESIZER
Table 1. SKY73134-11 Signal Descriptions
2
Pin #
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
VCC_VCO
VCC_CAP
VCO_RES
OUT_BUFP
OUT_BUFN
VCC_OBUF
DIV_CAP
DIV_RES
VCC_DIV
VCTRL
VCC_PLL
VCC_CP
CP_OUT
LF_CTRL
LD_OUT
VCC_DIG
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
OUT_BUFN
OUT_BUFP
Name
July 7, 2010 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201199C
Output
Buffer
Supply for VCO
External capacitor for VCO bias connected
to VCC_VCO pin
External 15 kΩ resistor to set VCO bias
Positive LO output
Negative LO output
Supply for output buffer
External capacitor for the divider bias
connected to the VCC_DIV pin
External 60 kΩ resistor to set the divider
bias
Supply for dividers
VCO tuning voltage
PLL supply
Supply for charge pump
Charge pump output
Loop filter component switch control
Lock detect output
Supply for digital blocks
Digital Frequency Control
VCO Calibration
Description
÷ 1
÷ 2
÷ 3
÷ 4
÷ 8
Figure 2. SKY73134-11 Block Diagram
VCO
1
Buffer
Buffer
VCO
PLL
VCO
Pin #
2
N-Divider
17
18
21
22
23
24
25
26
28
29
31
19
20
27
30
32
VCO
Phase Detector
Charge Pump
3
VCC_REF
GND_REF
REF_CLK
PLL_RES
EXT_VCOP
EXT_VCON
LE
DATA
CLK
N/C
N/C
N/C
N/C
N/C
N/C
N/C
VCO
4
R-Divider
Name
Lock Detect
Read/Write
VCO
Buffer
In
Ref
VCO
SPI
Out
Supply for reference buffer
Reference buffer ground
Reference clock input
External 24 kΩ resistor for the PLL/charge
pump bias
Positive, external VCO input
Negative, external VCO input
Latch enable input for the SPI
Data input for the SPI
Clock input for the SPI
No connection
No connection
No connection
No connection
No connection
No connection
No connection
CLK
DATA
LE
EXT_VCON
EXT_VCOP
REF_CLK
Description
S1838