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參數(shù)資料
| 型號： | CX74070 |
| 英文描述： | CX74070 Receiver for PCS and GPS|Handset RF ICs:CDMA / CDMA2000 |
| 中文描述： | CX74070接收機PCS和全球定位系統(tǒng)|手機射頻集成電路：碼分多址/ CDMA2000的 |
| 文件頁數(shù)： | 20/23頁 |
| 文件大?。?/td> | 664K |
| 代理商： | CX74070 |
CX74001
Rx ASIC for CDMA, AMPS, and PCS Applications
20
Skyworks
101134A
Proprietary Information and Specifications are Subject to Change
March 5, 2002
Vcc
TO CDMA
IF SAW FILTER INPUT
CX74001
37
36
35
34
33
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10
12
11
13
1
1
1
1
1
2
2
2
2
2
1
PCS_LNAIN
LNA_CTRL1
LNA_CTRL0
CELL_LNA_IN
VCC_RF_BIAS
CELL_LNA_EMIT
CELL/PCS
VCO_VCC
VCO_ON
FM/CDMA
CELL_TANK–
CELL_TANK+
PCS_TANK–
4
4
4
4
4
4
4
4
3
3
4
CDMA_VGA_IN+
CDMA_VGA_IN–
VCC_IF
PCS_MIXER_OUT+
VCC_MIX
PCS_MIXER_OUT–
AMPS_MIXOUT+
AMPS_MIXOUT–
CDMA_MIXOUT+
CDMA_MIXOUT–
PCS_VGA_IN+
PCS_VGA_IN–
AMPS_VGA_IN
V
L
P
S
I
P
I
Q
Q
P
S
P
C
C
C
P
R
N
P
P
C
P
TO IF AMPS
SAW FILTER INPUT
VGA_CTRL
0.1 μF
1000 pF
10
1 nF
1 nF
4.7 nF
4.7 nF
4.7 nF
4.7 nF
33 pF
2.2 K
47 nH
DNI
8.2pF
750 nH
4.7 nF
33 pF
2.2 K
47 nH
DNI
1 nF
33 PF
DNI
18 nH
DNI
VCC_MIX
4.7 nF
33 pF
DNI
390 nH
DNI
0
4.7 nF
18 nH
33 pF
1 nF
DNI
DNI
47 nF
4.7pF
4.7 μF
33 pF
VCC_MIX
RXQ–
RXQ+
RXI+
SLEEP
TO PCS
RF SAW FILTER
INPUT
50 ohms
50 ohms
TO CDMA
RF SAW FILTER
INPUT
50 ohms
6.8 nH
VCC_LNA
1 nF
8.2 pF
10
33 pF
RXI–
STM
PLL+
PCS LNA INPUT
33 pF
CELL LNA INPUT
VCO_ON
CELL/PCS
FM/PCS
FROM CDMA
RF SAW FILTER OUTPUT
FROM PCS
RF SAW FILTER OUTPUT
10 nH
33 pF
50 ohms
800LO
1900LO
50 ohms
TO PCS
IF SAW FILTER INPUT
VGA_CDMA_IN+
VGA_CDMA_IN–
VCC_IF
VGA_PCS_IN+
VGA_PCS_IN–
VGA_AMPS_IN
5.1 K
100 pF
100 pF
0
0
0
PLL+
LOD
VCC_MIX
220
8.2 nH
VCC_1900_LNA
1 nF
8.2 pF
10
1 K
10 nF
LNA_CTRL
1.2 nH
8.2 pF
8.2 pF
LNA_CTRL
TUNE
A1
A2
C
12 nH
C
C
1 nF
1 nF
22 pF
22 pF
5.1 K
5.1 K
2 K
12 nH
5.1
5.1
VCC_TANK
2.2 μF
1 nF
5.1
220 pF
0
0
0
NOTES:
1. COMPONENT VALUES MAY CHANGE
2. DNI = DO NOT INSTALL
12 pF
VCC_MIX
TUNE
A2
A1
C
82 nH
C
C
1 nF
1 nF
18 pF
18 pF
5.1 K
5.1 K
2 K
82 nH
5.1
5.1
VCC_TANK
1 μF
1 nF
5.1
220 pF
0
4.7 nF
Vcc
27 K
1 K
DNI
8.2 pF
1000 pF
1.5 nH
3.3 pF
8.2 pF
15 pF
10 nH
15 K
0
8.2 pF
Figure 47. CX74001 Schematic Diagram
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