sky77149 Skyworks Solutions, Inc., sky77149 Datasheet - Page 8

• Manufacturer Part Number: sky77149
• Description: Sky77149 Pa Module For Cdma / Pcs 1850?1910 Mhz
• Manufacturer: Skyworks Solutions, Inc.

DATA SHEET • SKY77149
Evaluation Board Description
The evaluation board is a platform for testing and interfacing
design circuitry. To accommodate the interface testing of the
SKY77149, the evaluation board schematic and diagrams are
8
November 6, 2006 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • 103062B
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
VCONT
VREF
RF_IN
VCC1
A
Place caps at closest proximity to PA module with the capacitor grounds directly connected to the PAM grounds.
GND
VCC1
VCC2
GND
J2
1000 pF
1000 pF
EN17 - D435 - 001
REV. 00
SKYWORKS
SOLUTIONS, INC.
C1
C3
C2
330 pF
Figure 10. Evaluation Board Assembly Diagram
A
Figure 9. Evaluation Board Schematic
4
1
2
3
VREF
RF_IN
VCONT
RF_IN
VCC1
C4
C5
C2
C6
P1
P2
U1
included for preliminary analysis and design.
basic schematic of the board for the 1850 MHz to 1910 MHz
range.
C1
1
C3
RF_OUT
RF_OUT
VCC2
GND
GND
8
5
7
6
330 pF
A
06/11/03
PA MODULE FOR CDMA / PCS (1850–1910 MHz)
C6
1000 pF
C5
GND
VCONT
GND
VREF
J1
10 µF
C4
C1
C2
C3
C4
C5
C6
COMPONENTS
103062_009
103062_010
1000 pF
1000 pF
1000 pF
RF_OUT
330 pF
330 pF
10 µF
VCC2
Figure 9
shows the