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2012_11_Taconic PIM_chinese
- 11. www.taconic-add.com© Taconic 2012
低 PIM 材料解决方案
Taconic 板材 DK 介电值
Df 介质损耗 @
2GHz
TLC-32 3.20 ± 0.05 0.0018
RF-30 3.00 ± 0.1 0.0013
RF-301 2.97 ± 0.05 0.0012
TLA-6 2.62 ± 0.05 0.0012
TLX-8 2.55 ± 0.04 0.0009
TLY-5A 2.17 ± 0.02 0.0006
… 为基站天线设计的pcbs
(移相器,功分器, 合路器, 滤波器)
- 22. www.taconic-add.com
保护层对交调的影响
Source: Powerwave
交调 (PIM) [dBm]
Surface
Protection
铜面保护处理
Max
(fwd)
Min
(fwd)
Max
(bwd)
Min
(bwd)
Immersion
Tin
沉锡
1.0 micron -114 -126.5 -113.5 -124.5
OSP
有机表面保护
0.3 micron -92.2 -96.5 -99.5 -112.6
Immersion
Silver
沉银
0.2 - 0.8
micron
-81.5 -92.5 -94.5 -108.6
ENIG
沉金
0.05 - 0.1
micron Au/ 3-
5 micron Ni
-50.5 -53.5 -58.5 -61.5
HASL 喷锡 3-25 micron -103.9 -123 -112.3 -123.8
© Taconic 2012