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Hand built Radio Module
Circa 1987
D. Blanchet3B Associates
Frequency hopping radioFrequency hopping radio• Extremely dense hand soldered module• RF rules
– Minimum lead length– Shielding compartmentalization - extreme– Surface mount technology – sort of
• Contract was let to repackage in CAD and place and auto route the pwb
Havequick
You must be kidding
Built by RF E.E.With very small fingersAndA very rich imagination
HAND CRAFTED
Reliability engineerdied of a heart attack
Requirement for redesign
• High volume low cost
Results
• Spent the funding• Got to nowheresville• Got a black eye
– Customer– Our management
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