Cypress Semiconductor Corporation
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1. INTRODUCTION
The WirelessUSB
TM
Manufacturing Test Kit (MTK) is designed to
allow Cypress’ customers to test their WirelessUSB products, in a
manufacturing environment, without the use of expensive RF test
equipment.
The highly integrated nature of the WirelessUSB radio device is
such that there is very little that can go wrong in the assembly
process. The device itself is tested before it leaves the Cypress
factory. There are only a few critical components on the customer’s
board that affect the operation of the radio. Most of the likely
assembly level failures (missing components, open/cold solder
joints, and pin-to-pin shorts) will cause a large reduction in
transmitted power or receive sensitivity, if the unit functions at all.
As such, a simple functionality test at maximum range would
eliminate most bad units.
To keep from having to test each unit over a long distance, and to
prevent interference between multiple units that may be on the test
floor simultaneously, the MTK is designed to simulate a limit-of-
operation condition using shielded Test Fixture and enclosure.
