新聞內容

Incredible wide band attenuation character – 30KHz to 10GHz(-20dB)



Whole new innovate design concept


 


Advantages:


1. Up grade system speed and stability

2. Universal EMI/EMC solution

3. Short new product R&D period

4. Reduce components quantities

5. Reduce spare parts and stock cost

6. Low power consumption


 



 


Traditional EMI Power Component and UWB Feature Compare


















































Traditional Power EMI Component UWB Component
Line Filter Dip Type

NT   $ 8 ~ 15/pcs

Common mode

AC solution
UWB

Filter
SMD Type ( 0805/ 0603 )

NT   $ 4.5~ 5.0/pcs

Common & Differential

Mode AC+DC solution
Choke


Dip Type

NT   $ 3 ~ 8/pcs

Differential mode DC solution
     
Common Choke Dip Type

NT   $ 5 ~ 10/pcs

Common mode AC solution
     
Y cap Dip Type

NT   $ 3 ~ 8/pcs

Common mode

AC Solution
     
Traditional Power EMI Component UWB Component
 


Note: Dip Type manufacture cost is higher than SMD type


























Traditional Power EMI Component UWB Component
Power Bead SMD Type

NT   $ 0.5 ~ 5/pcs

Narrow Band solution
UWB

Filter
SMD Type

NT   $ 4.5~ 5.0/pcs

Wide Band Solution
Traditional Power EMI Component UWB Component


 


De-Cap narrow band attenuation feature



Montrose, EMC and the Printed Circuit Board, Wiley, 1999


 


General Bead Attenuation Measurement Narrow band














 


 



 


UWB 2500 Attenuation Measurement Ultra Wide Band



 


UC2500 +UC1600 Module Certification



 


T Type UC2500+UC1600+1uF Capacitor Module Certification



 


UWB Filter compare with Traditional RLC (ferrite) component attenuation feature



 


Original Design



EMI Improve Better Design



 


Traditional Original Design



 


Use Good UWB design



 


Ultimate Filtering Solution



 













Original Design EMI Improve Better Design

 




















Original Design
EMI Improve Better Design

 


UWB Filter EMC Real Application Photos


New UWB Filter is very useful for Wide band EMI and EMS Solution especially in Medical, IT, RF, Industrial and Vehicle field products.


Following pages showing UWB real EMC applications.


 


Real Application


Add UWB filter to filtering and insolate DC coupling noise to reduce EMI noise for SATA HDD



 


SATA HDD Test In Vertical



 


CCD Test in Horizontal



 


Real Application


Use UWB filter to insolate outside Ultra Wide Band noise to interference

Medical equipment for improve radio immunity ability

80MHz ~2.5GHz Field Strength 3V/M Modulation 2Hz



 


Real Application


Use UWB filter to insolate outside Ultra Wide Band noise to interference

RF Alarm equipment for improve radio immunity ability

80MHz ~2 GHz Field Strength 10V/M Modulation AM and PM 1KHz



  • By admin
  • 2009-06-02 16:10:00
  • 9721