128 Power Amplifier Fault Finding TB8100 Service Manual
© Tait Electronics Limited September 2006
8.1 Safety Precautions
8.1.1 Personal Safety
Caution Beryllium Oxide
The termination resistors used in the 100W power
amplifier contain some beryllium oxide. This sub-
stance is perfectly harmless in its normal solid form,
but can become a severe health hazard when it has
been reduced to dust. For this reason the termina-
tion resistors should not be broken open, mutilated,
filed, machined, or physically damaged in any way
that can produce dust particles. You should safely
dispose of all used or obsolete components accord-
ing to your local regulations.
Caution Touching high-power RF components or circuits
can cause serious burns. We strongly recommend
you do not touch any RF components or tracks in
the PA while it is transmitting.
Caution The TB8100 power amplifier (PA) weighs between
4.8kg (10.6lb) and 5.8kg (12.8lb). Take care when
handling the PA to avoid personal injury.
8.1.2 Equipment Safety
Important This equipment contains devices which are susceptible to
damage from static charges. Refer to “ESD Precautions”
on page 17 for more information on antistatic procedures
when handling these devices.
Important The PA is fully calibrated in the factory and will need to be
recalibrated only if it has been repaired. You do not need
to recalibrate the PA if the transmit frequency is changed.
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