Monitoring The Power Amplifier - Tait TB8100 User Manual

Monitoring the Power Amplifier

Alarm status
Transmitter
output
Duty cycle
(5 minutes)
Duty cycle
(24 hours)
Heatsink
temperature
Air intake
temperature
64 Part D: Monitoring
The Power Amplifier form (Monitor > Monitoring > Power Amplifier) lets
you monitor the levels of various parameters. Each level is displayed graphically
as a gauge or thermometer. The equivalent numeric value appears in or under
the heading. If a value goes off the scale, it turns red.
The first box in the form displays the internal name of the PA.
The Alarm status box indicates whether the PA has an alarm. If the LED is red,
select Monitor > Alarms > Current Status to see which alarm is active.
The Transmitter output area displays the forward and reverse power. Click
Watts or dBm to view these parameters as watts or dBm. Underneath is the
VSWR. If the VSWR is greater than 10:1, an alarm is triggered and the PA
folds its output back to 10% of its capability. Only when the VSWR falls below
5:1 will the power output begin to recover.
Indicates the average duty cycle
updated once every minute. 50% means that the PA was transmitting for 2.5 of
the last 5 minutes.
Indicates the average duty cycle over the past 24 hours. 25% means that the PA
was transmitting for 6 of the last 24 hours.
Displays the highest of the three temperatures measured at the PA driver,
Final 1, and Final 2 transistors.
This thermometer displays the temperature measured at the air intake to the PA
heatsink.
over the past 5 minutes. This parameter is
MB8100-00-00-806 © TEL 2003