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參數(shù)資料
| 型號： | RF3321PCBA |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | REVERSE PATH HIGH OUTPUT POWER PROGRAMMABLE GAIN AMPLIFIER |
| 中文描述： | 反向路徑高輸出功率可編程增益放大器 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大小： | 195K |
| 代理商： | RF3321PCBA |
Preliminary
2-7
RF3321
Rev A10 010516
3
L
A
Evaluation Board S chematic
(Download Bill of Materials from www.rfmd.com.)
C3
1 nF
C4
1 nF
C9
100 pF
C8
15 pF
C7
15 pF
R6
24
J7
RF OUT
VCC2
R4
75
R5
75
J6
RF IN
VCC1
C5
0.1
μ
F
SDA
CS
SCLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
R1
100 k
R2
100 k
VCC
NC
CS
SDA
SCLK
SHDNB
TXEN
NC
NC
NC
NC
NC
GND
GND
GND
GND
GND
GND
GND
GND
VCC
NC
NC
VCC
NC
CS
SDA
SCLK
J5-1
J3-1
J1
J3
1
2
3
J1-6
TXEN
J2
1
2
3
VCC
GND
J5
1
2
3
J1-5
SHDNB
J4
1
2
3
VCC
GND
JP1
1
2
3
4
VCC 9V
VCC2
+
C2
1 nF
L1 (Ferrite)
30
C1
10
μ
F
(10 V)
L3 (Ferrite)
30
L2 (Ferrite)
30
VCC
VCC1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Power
Control
Gain Control
and Serial Bus
PACKAGE BASE
C6
220 pF
Notes:
1. 4-layer board.
2. Underside of package must solder to ground.
3. Place C5 and C6 as close to pin as possible.
4. C1 and C10 are tantalum, size code Y.
5. All other components are 0603 size.
6. Replace R6 with 0
resistor if 75
connector is used.
3321400C
VCC1
GND
+
C11
1 nF
L5 (Ferrite)
30
C10
10
μ
F
(10 V)
L4 (Ferrite)
30
VCC2
Q1
R7
R8
VCC
T1
1:1
1
2
3
6
5
4
T2
4:1
1
2
3
6
5
4
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