Forum Questions and Answers
Topic: PRISM Questions and Answers
Topic Posted by: SRC ( )
Organization: SRC
Date Posted: Wed Jan 12 8:33:33 US/Eastern 2000
Topic Description: Welcome to the PRISM forum! Please feel free to post your questions and comments about the PRISM assessment software here.

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Original Message:
Posted by: Super Wong ( )
Date posted: Tue Jun 6 5:00:42 US/Eastern 2006
Subject: About MTBF calculation
1)When we get the result of failure rate,how can we get MTBF(Meantime between failures)? Which expression should we use,MTBF=10e6 /failure rate or MTBF=10e9 /failure rate ? 2)Which code does PRISM follow,MIL-HDBK-217 or Bellcore?As I know,MIL-HDBK-217 MTBF calculation bases on 10e6,Bellcore MTBF calculation bases on 10e9. Best regards Super
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