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Cable and Connector Care
Note
Connection Procedure
3. Reinstall the clamp containing the antenna to the front plate and
nger tighten the clamp screws. See Figure 4-4. Make sure that the
antenna connector is pointed toward the left of the test set when
viewed from the front of the test set.
4. Select the W4 semirigid cable and install it on the antenna. Verify
that the 2.92 mm (K) connector is attached to the antenna and the
2.4 mm connector (the 2.4 mm end has a loose nut) is attached to
J1.
5. Be sure to torque all connectors to 8 inch-pounds using the
5/16 inch torque wrench provided (8710-1765).
6. Tighten the antenna clamp screws using the Torx #10 screwdriver.
Instrument sensitivity and coaxial connector mechanical tolerances
are such that slight errors in operator technique can have a signi cant
e ect on measurements and measurement uncertainties.
common cause of measurement error is poor connections.
The term \connector" will be used in the following procedures to
describe the connection ends of the semirigid cables, lters, and
adapters supplied with this system
Follow these recommendations for optimum connection technique:
Clean and inspect (visually and mechanically) all connectors, cables,
and lters.
Align connectors carefully. Look for
at physical contact at all
points on the mating plane surfaces.
Make a gentle, preliminary connection.
When you make a connection, turn
not rotate a device when you make a connection and do not apply
lateral or horizontal (bending) force.
1. Visually inspect the connectors.
2. If necessary, clean the connectors. Use a 99.5% Isopropyl Alcohol
solution (HP part number 8500-5344).
3. Carefully align the connectors.
The male connector center pin must slip concentrically into the
contact ngers of the female connector.
4. Push the connectors straight together. Do
together. As the center conductors mate, there is usually a slight
resistance.
5. The preliminary connection is tight enough when the mating plane
surfaces make uniform, light contact. Do not overtighten this
connection.
The most
only
the connector nut. Do
not
twist or screw them
Test Set Hardware Con gurations 4-7
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