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參數(shù)資料
| 型號(hào)： | RF2352PCBA |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | 3V CDMA DRIVER AMPLIFIER |
| 中文描述： | 3V的CDMA的驅(qū)動(dòng)放大器 |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大小： | 77K |
| 代理商： | RF2352PCBA |
Preliminary
4-180
RF2352
Rev A4 010720
4
G
A
Application S chematic
Evaluation Board S chematic
(Download Bill of Materials from www.rfmd.com.)
22 nF
1500
1 nF
1 nF
MODE SELECT
10 nH
1 nF
4 pF
50
μ
strip
1 nF
50
μ
strip
Package base serves as die flag ground. The vias
connecting the backside of the board should be
large in diameter to allow for easier soldering.
13
12
11
10
9
8
16
14
15
1
2
3
4
5
7
6
RF IN
V
CC
V
CC
RF OUT
V
CC
C1
22 nF
50
μ
strip
J1
RF IN
R1
1500
C2
1 nF
VREF
C3
1 nF
PD
R2*
0
R4*
0
50
μ
strip
L1
10 nH
VCC
C6
1 nF
C5
4 pF
50
μ
strip
J2
RF OUT
VCC
C4
1 nF
50
μ
strip
PD
GND
VREF
P1
1
2
3
CON3
NC
GND
VCC
P2
1
2
3
CON3
* R2, R3 and R4 form a "Tee" attenuator network which
determines the gain in the bypass mode. Evaluation
boards are shipped with R2 and R4 as 0
jumpers, and
R3 omitted. This configuration provides the maximum
gain (about -4 dB) available in bypass mode.
13
12
11
10
9
8
16
14
15
1
2
3
4
5
7
6
2352400-
R3*
*
OMIT
Package base serves as die flag ground. The vias
connecting the backside of the board should be large in
diameter to allow for easier soldering.
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