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參數(shù)資料
| 型號： | RF2131PCBA |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | HIGH EFFICIENCY AMPS/ETACS AMPLIFIER |
| 中文描述： | 高效率的AMPS / ETACS放大器 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 84K |
| 代理商： | RF2131PCBA |
2-105
RF2131
Rev B4 010417
2
P
Applic ation S chematic 2
Optimized for Power and Effic iency over 4.0 V to 4.8V
VPC
This application circuit differs from Application schematic 1 only slightly in the output tuning. The output shunt capacitor
has been moved 0.060” closer to the device, and has increased from 5.6pF to 6.2pF. This retuning allows over
+30.8dBm of output power to be achieved down to 4.0V, however a couple of percent points of efficiency are sacrificed.
This implementation is recommended for some additional margin on output power.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
BIAS
100 nF
100 pF
RF IN
10 nF
V
CC
10 nF
100 pF
10 nH
4.7 pF
10 nH
4.7 pF
2.7 nH
100 pF
RF OUT
6.2 pF
33 pF
V
CC
100 pF
100 nF
33 pF
V
CC
0.140"
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