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The
Gwydion Company, LLC, a start-up fiber-optic equipment
manufacturer needed expertise it did not have in-house: Industrial
Design, Electronic Packaging and Prototype Development.
Piton provided this
expertise resulting in the delivery of the TR102 Remote Antenna
(AC
and DC) units which are used as part of a Fiber Optic Antenna System
for increased cell-phone coverage inside buildings and enclosed
structures.
A detailed heat transfer
simulation model was created in MathCAD, simulating real-life
environmental conditions. An appropriate off-the-shelf heat sink was
selected to ensure that the maximum junction temperatures of all
electronic components would not be exceeded for worst case mounting
and environmental conditions. The thermal performance was verified
by experiment on the prototypes.
All individual components
including sheet metal, power supply, connectors, cables, LEDs, and
filters were specified, procured and assembled by Piton in a timely
manner. The unit was designed to meet UL/CSA/TUV and FCC agency
requirements along with NEBS/ETS shock and vibration specifications.
Special consideration was given to aesthetics, cost, robustness,
ease of assembly, and, reliability. 3-D model renderings were
created early in the conceptual stage in order to help the client
determine the "look" of the product. The result was an ABS
thermoformed cover which provide a low-profile and pleasing look. A
slide-in heat sink assembly inside a one-piece sheet
metal skin
ensured smaller inventory and lower assembly cost. |