參數(shù)資料
型號(hào): CX77140
英文描述: CX77140: PAM for CDMA / AMPS (824–849 MHz)|PA Modules for CDMA Handsets
中文描述: CX77140:聚丙烯酰胺的CDMA / AMPS二元(824-849兆赫)| CDMA手機(jī)功率放大器模塊
文件頁數(shù): 11/16頁
文件大小: 246K
代理商: CX77140
CX77129
Evaluation Board Description
System Smart PA Module for CDMA / AMPS (824–849 MHz)
101384A
May 14, 2002
Conexant
11
Evaluation Board Description
The evaluation board is a platform for testing and interfacing design circuitry. To accommodate the
interface testing of the CX77129, the evaluation board schematic and diagrams are included for
preliminary analysis and design.
Figure 10
shows the basic schematic of the board for the 824 MHz
to 849 MHz range.
Figure 11
illustrates the board layout.
Figure 10. Evaluation Board Schematic
Figure 11. Evaluation Board Assembly Diagram
101384_004
VREF
VCONT1
VCONT2
VCC2
C1
1
7
6
5
8
2
3
4
C3
C2
C6
C4
C5
RF IN
RF OUT
CX77129
VCC1
101384_003
Location
C1
C2
C3
C4
C5
C6
Value
4.7 μF
4.7 μF
10,000 pF
1,000 pF
150 pF
330 pF
Prototype Test-Board
Component Description
C1
C3
C4
C5
C6
U1
V
R
V
C
V
C
V
C
G
G
C2
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