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Bird Technologies WBC Series-Manual User Manual

Page 2

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Page 2 of 6

Rev. A

920-WBC

Installation

The Bird Wideband Coupler can be inserted directly into the RF line with standard coupling kits.

Swivel Flanged Coupling

y

Insert the center bullet and push it in until it is fully seated.

y

Connect the coaxial input in a straight line and push carefully on the center conductor to close.

NOTE: The swivel flange on the line section makes connection independent of the
orientation of the fixed flange on the RF line.

y

Insert the bolt sets and tighten evenly all around to the RF line manufacturer’s recommended torque. Use
all of the bolts.

Unflanged Coupling

y

Insert the center bullet and bottom it on the midpoint nibs.

y

Position the outer sleeve, with clamping bands, over the line section connector.

y

Set the RF line snugly against the coupling stops.

y

Position the clamping bands evenly about 3/4” from the ends of the sleeve.

y

Tighten the clamping bands.

Operation

NOTE: These instructions are for measuring the transmitted, or forward, power. To
measure reflected power, follow the same instructions but substitute “Reflected” instead
of “Forward” where a direction is specified.

y

Make sure the RF power is off.

y

Connect a TPS to the Forward Coupler.

y

Connect the TPS to a Bird Digital Power Meter (DPM) or Bird Site Analyzer.

y

Look at the coupling factor label on the Wideband Coupler. Note the Forward Coupling Factor at the
operating frequency. Enter this as an offset into the power meter.

NOTE: Refer to the power meter manual for instructions on entering an offset.

y

Turn on RF power.

y

Measure the power.

WARNING

Never attempt to connect or disconnect RF equipment from the

transmission line while RF power is being applied.

Leaking RF energy is a potential health hazard.

CAUTION

Do not remove or switch directional couplers.

Calibration will be voided.

WARNING

Never attempt to connect or disconnect RF equipment from the

transmission line while RF power is being applied.

Leaking RF energy is a potential health hazard.