|
当前的PDN如图1所示 |
优化的PDN如图7所示 |
相比当前PDN,优化PDN实现的改善 |
组件大小 |
148.2 |
104.00 |
29.8% |
整体效率 |
66.9% |
69.9% |
3.0% |
功率损耗 |
1.8 W |
0.8 W |
0.5 W |
偏移频率(MHz) |
相位噪声(dBc/Hz) |
||
数据手册中的技术规格 |
评估结果 |
||
ADP5054 |
LTM8063、LTM8074 |
||
0.1 |
-100 |
-137.74 |
-137.77 |
0.2 |
-115 |
-143.16 |
-143.32 |
0.4 |
-120 |
-147.37 |
-147.20 |
0.6 |
-129 |
-149.02 |
-149.04 |
0.8 |
-132 |
-151.81 |
-151.96 |
1.2 |
-135 |
-151.73 |
-151.22 |
1.8 |
-140 |
-153.97 |
-153.76 |
6 |
-150 |
-155.10 |
-154.80 |
10 |
-153 |
-154.51 |
-154.36 |
LO频率(MHz) |
无杂散动态范围(SFDR)(dBc) |
||||
数据手册中的技术规格 |
Tx1 |
Tx2 |
|||
ADP5054 |
LTM8063、LTM8074 |
ADP5054 |
LTM8063、LTM8074 |
||
800 |
70.00 |
86.03 |
86.95 |
86.62 |
86.63 |
1800 |
70.00 |
85.94 |
87.30 |
86.01 |
85.90 |
2600 |
70.00 |
85.98 |
86.01 |
85.50 |
85.78 |
3800 |
70.00 |
73.87 |
77.42 |
73.93 |
77.31 |
4800 |
70.00 |
71.44 |
71.98 |
71.10 |
71.82 |
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