參數(shù)資料
型號: RF25A
英文描述: RF25A for CDMA. and AMPS Applications
中文描述: RF25A用于CDMA。和AMPS應用
文件頁數(shù): 13/17頁
文件大?。?/td> 434K
代理商: RF25A
RxASIC
RF25A
101110A
August4, 2000
Conexant–Preliminary
ProprietaryInformation
13
6.8 nH
A2
1SV306
RX_VCC
RX_TUNE
A1
C2
56 nH
56 nH
C
A
C
A
C1
RX_VCC
RXPLL+
RXPLL–
FM
800_LNA_IN
RX_VCC
RX_LO_800
RX_VCC
RX_AGC_ADJ
RXQ–
RXQ+
RXI–
RXI+
TO RF IMAGE
FILTER INPUT
FROM RF IMAGE
FILTER OUTPUT
RX_VCC
RX_VCC
DNI
33 pF
1000 pF
3.3 pF
33 pF
10
50 ohms
50 ohms
50 ohms
1 nF
1 nF
1 K
33 pF
180
1000 pF
5.1
220 pF
1000 pF
5.1
4700 pF
4700 pF
33 pF
33 pF
5.1
5.1
2 K
DNI
DNI
1000 pF
1000 pF
180 nH
1.5 nH
10
DNI
33 pF
1K
390 nH
3900 pF
0.1 μF
1.5 K
39 nH
0.1 μF
1000 pF
0.1 μF
3900 pF
1000 pF
10
1 K
1 K
0
0
0
RX_VCC
10
SLEEP
33 pF
0.1 μF
NOTES:
1. COMPONENT VALUES MAY CHANGE
2. DNI = DO NOT INSTALL
0
RF25A
N
N
I
M
M
N
L
N
TANK+
I
P
I
Q
Q
D
S
LNA_DECOUPLE
NC
NC
LNA_IN
VCC1
BIAS_SET
FM_CDMA
VCC2
GND
AMPS_IF_OUT
NC
CDMA_IF_OUT–
CDMA_IF_OUT+
MIX_BYPASS
VGA_CDMA_IN–
VGA_CDMA_IN+
VCC3
VGA_CONTROL
11
1
2
3
4
5
6
7
8
9
10
21
31
30
29
28
27
26
25
24
23
22
1
1
1
1
1
1
1
1
2
4
3
3
3
3
3
3
3
3
VGA_AMPS_IN
NC
V
P
TANK–
L
FROM CDMA
IF SAW OUTPUT
FROM AMPS IF SAW OUTPUT
3900 pF
3900 pF
3900 pF
DNI
33 pF
4.7 nF
TO CDMA
IF SAW INPUT
TO AMPS IF SAW INPUT
RX_VCC
DNI
39 nH
1.5 K
33 pF
0.1 μF
18 pF
Figure20.RF25A Schematic Diagram
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