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| 型号： | MRFIC0919 |
| 厂商： | Motorola, Inc. |
| 英文描述： | RF Power Amplifiers(RF功率放大器) |
| 中文描述： | 射频功率放大器（射频功率放大器） |
| 文件页数： | 3/11页 |
| 文件大小： | 196K |
| 代理商： | MRFIC0919 |
MRFIC0919
3
MOTOROLA WIRELESS SEMICONDUCTOR
SOLUTIONS – RF AND IF DEVICE DATA
f
MHz
880
885
890
895
900
905
910
915
Zin
OHMS
ZOL*
OHMS
9.83
9.88
9.83
9.82
9.82
9.79
9.78
9.75
jX
R
jX
R
–75.84
–76.75
–77.65
–78.60
–79.50
–80.35
–81.23
–82.18
1.79
1.78
1.76
1.75
1.74
1.73
1.71
1.70
2.34
2.46
2.57
2.67
2.80
2.90
3.00
3.13
Zin represents the input impedance of the device.
ZOL*represents the conjugate of the optimumoutput load to present
to the device.
Table 1. Optimum Loads Derived from
Circuit Characterization
VD1, 2 and 3
D1
VSS
C11
C6
C4
C12
C3
C7
L1
C9
C10
VP
C1
VDB
C5
MRFIC0919
TSSOP16EP
C8
L2
Note:
Use highQ
cap for C9 and C10
for best PAE/Pout
C2
Figure 1. Reference Circuit
50
Out
GSM
R1, R2
R3
T1
T2
T3
T4
T5
12 k
6.8 k
60
Microstrip Line, L = 3.0 mm
60
Microstrip Line, L = 11 mm
50
Microstrip Line, L = 17 mm
30
Microstrip Line, L = 1.0 mm
30
Microstrip Line, L = 7.0 mm
50
In
GSM
T1
T4
T3
T2
T5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R1
R2
R3
C1, C3, C4, C7, C11
C2, C6
C5
C8
C9
C10
C12
L1
L2
D1
56 pF
10 nF
330 pF
4.7 pF
12 pF
6.8 pF
8.2 pF
12 nH
6.8 nH
Zener 5.1 V
AVX Accu–F
AVX Accu–F
MMSZ4689T1
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