Bird-technologies 3140 Display Manuel d'utilisateur télécharger pdf (Page 15)

Installing & Operating Instructions - TPM

Normal Operation

 Note: Coupler ports must be terminated to ensure accurate

power measurements. Terminate both forward and reflected

coupler ports in 50 ohms. Failure to terminate these ports will

result in inaccurate power measurements.

1. Install the TPM to the transmission line. Refer to “Installing

the TPM” on page 4.

2. Apply DC input power to the TPM.

3. Apply RF power to the TPM.

4. Use a voltmeter to measure the forward voltage and reflected

voltage.

 Note: These voltages will be between 0 V (no power) and 4.0

V (full scale power). The forward and reflected voltages are linear.

 Note: The full scale reflected power is 1/10 the value of the

full scale forward power.

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Bird-technologies 3140 Display Manuel d'utilisateur Page 15