SOUTHERN MICROWAVE Utilizes test
fixtures when production testing
the units on the line.
Fixture [A] has (3) SMA
connectors tied to 50 OHM
microstrip lines .025 wide by
.008 thick teflon dielectric.
Fixture [B] has a straight-thru
50 OHM matched microstrip
transmission line. The straight
thru line is the exact length of
the test fixture and is used to
zero out the fixture loss while
testing the unit in the
These are very accurately
machined fixtures that simulate
the actual microstrip interface
on a subsystem. These fixture
sets are manufactured for sale
to facilitate test data
compatibility between the
manufacturer and the customer.