RFI Tests of Commercial Equipment


Device Tested Date Eng/Tested by Test Freq #1 Radiated Power Test Freq #2 Radiated Power Test Freq #3 Radiated Power Notes
      (MHz) (dBW/Hz) (MHz) (dBW/Hz) (MHz) (dBW/Hz)  
Allphase CX-EV48 CCTV Camera 12/22/98 T.Weadon/CDN 170 -117.7 320 -140.1 630 -148.9  
CCTV Camera for GBT 02/26/98 T.Weadon/CDN 96   172   248    
Duracom Switching Power Supply 07/29/97 D.Pedtke/CDN 100   150   220    
Duracom Switching Power Supply 08/01/97 D.Pedtke/CDN 108   140   196    
Duracom Switching Power Supply 09/09/97 D.Pedtke/CDN 134   183   284    
Duracom Switching Power Supply 10/02/97 D.Pedtke/CDN ***   ***   ***   Unit installed in shielded box
Gateway 2000 NT Server "Halebop" 03/27/98 G.Hunt/CDN 130   866   1348    
Gateway 2000 PC "Spica" 04/16/97 RJL/CDN 100   250   700    
Gateway G6-400 PC w/acces. 08/25/98 CDN 108 -137.5 496 -136.4 992 -139.4  
HP 53181A Freq. Cntr. 02/20/97 S.Heatherly/RDN Test data incomplete for calculating RFI potential            
Melles Griot 56DLD403 Laser Power Supply 07/20/98 D.Schiebel/CDN 47.6   95.2   149.6    
Melles Griot 56DLD403 Laser Power Supply 08/03/98 D.Schiebel/CDN Tests for troubleshooting RFI from shielded power cable. No significant changes noted.            
Melles Griot 56DLD403 Laser Power Supply 09/22/98 D.Schiebel/CDN ***   ***   ***    
Melles Griot 56DLD403 Laser Power Supply 10/01/98 D.Schiebel/CDN 159 -169.7 196.5 -174.4 459.3 -171.3  
Olympus D-600L Digital Camera 07/23/98 R.Lacasse/CDN 130   620   936    
Pioneer LaserDisc Player 12/11/97 R. Fleming/CDN 172   241   415    
Power Mac PCs & Shield Twstd Pr 10/01/97 J.Ford/CDN 101   550   832    
Sun SPARC Ultra I "Rigel" 03/24/97 RDN/RJL Results were invalid due to RF amp overloading            
Sun SPARC Ultra I "Rigel" 04/23/97 RJL/CDN 208   500   980    
Totally Accurate Clock (GPS Rcvr) 10/03/97 F.Ghigo/CDN 100   286   519    
Turbo Vac Pump 05/08/97 CDN 103   305   440    
Vac Ion Pump 06/12/97 CDN Test invalid because dewar was not properly cooled.            
                   
                   
                   
                   

Last Updated on 1/12/99
By Chuck Niday
Email: cniday@nrao.edu