MIL EMI and Transient Solutions
by Jeffrey Ham - Principal Product Line Engineer; Contributions by Robert Pauplis - Senior Principal Product Line Engineer; et al., Vendor website, Dec 01 2007
Focus:
28-V military systems are subject to MIL-STD-461E EMI requirements and MIL-STD-704 and MIL-STD-1275 transient immunity requirements. An overview of these standards is given including details on the various revisions and tips are provided for achieving compliance when using a power solution based on Vicor's MIL-COTS VoI Chips. MIL-STD-461E addresses conducted emissions, conducted susceptibility, radiated emissions, and radiated susceptibility. Focusing on MIL-STD-461E CE102 conducted emissions requirements, the app note describes the measurements needed to characterize system performance, and a methodology for EMI filter design to achieve compliance. The use of purchased filter modules to ease compliance is also discussed. MIL-STD-704 addresses transient immunity while MIL-STD-1275 addresses surge and spike immunity. A discrete design clamp circuit to meet MIL-STD-704A is presented. The use of purchased filter modules to meet these standards is also discussed.
What you’ll learn:
- How to understand MIL-STD-461E requirements for conducted emissions, conducted susceptibility, radiated emissions, and radiated susceptibility
- How to comply with MIL-STD-461E CE102 conducted emissions requirements using a discrete design filter or a purchased filter module
- How to understand MIL-STF-704 and MIL-STD-1275 transient immunity requirements
Notes:
Vicor Application Note AN:022. Also covers "How to comply with MIL-STD-704A transient immunity requirement using a discrete design clamp circuit or purchased filter module."
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