Iseg Board Layout Examination

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Iseg Board Layout Examination
N. Kitamura University of Wisconsin-Madison /
SSEC September 4, 2003
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Top View
The SMT components are located very close to the
PMT mounting holes.
Toroid underside
Isolation AMP
RG180 output
9/4/2003 N. KITAMURA
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Coaxial Cable Attachment
Insufficient shield-to-ground isolation. No board
wash after manual soldering. Exposed and twisted
center conductor for signal output.
9/4/2003 N. KITAMURA
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Stacked SMT Capacitors
9/4/2003 N. KITAMURA
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Corona Point Near the Highest-Voltage Traces
9/4/2003 N. KITAMURA
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Bottom View
Numerous corona points near the PMT pins (only
some of them are marked.)
9/4/2003 N. KITAMURA