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7334220 
Journal Article 
EMC design of the HP 54600 series O-scopes 
Wyatt, K 
1993 
4 
11 
33-36 
English 
The electromagnetic compatibility (EMC) design of the HP 54600 Series digitizing oscilloscopes combined circuit board suppression and mechanical design techniques. Since the entire product (including enclosure) was a completely new design, we had a opportunity to ″design in″ radio frequency interference (RFI) suppression techniques from the very start. This article describes the design and test methods we employed. RFI standards for Hewlett Packard (HP) products typically include the German Vfg 1046 Class B limit (similar to the USA's Federal Communications Commission (FCC) Class B limit). Additionally, we attempted to meet the U.S. MIL-STD-461C RFI requirements as specified in the environmental standard MIL-T-28800D. Meeting these military standards imposed much more stringent design goals than normal. 
Design; Military engineering; Signal interference; Standards; O scopes; RF interference; Electromagnetic compatibility