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M P A H U B M O U N T
Microwave Radiation
Personnel Operating Guidelines
This guideline section presents operating practices appropriate for
operators and technicians who work with equipment involving
microwave radiation. Keep in mind that levels of microwave
radiation that do not induce immediate physical discomfort in most
individuals can be sufficiently high to induce longer term effects.
CPI Satcom equipment usually is related to amplification of a RF
signal from an external source. Even if a source is not connected to
the amplifier you are working with, there are situations where the
amplifier can go into a self-induced mode and generate high levels
of RF energy. This condition can exist if the unit is operated with
high voltage ON and without proper termination on the input and
output of the amplifier.
ELECTRICAL HAZARD! PROTECT YOURSELF AND THOSE AROUND
YOU FROM UNWANTED RF EXPOSURE. ALWAYS TERMINATE THE
AMPLIFIER INPUT AND OUTPUT WITH A RF DUMMY LOAD BEFORE
YOU TURN THE HIGH VOLTAGE ON. THIS WILL REDUCE THE CHANCES
OF OSCILLATION DUE TO INTERNAL AMPLIFIER NOISE.
Microwave Discussion
Limit exposure to microwave radiation to prevent unwanted
biological effects. There are other effects that can lead to problems
if you are careless in operating or servicing microwave equipment.
The permissible levels are quite low in comparison to the power
levels of the amplifiers built by CPI (e.g., less than 10 milliwatts vs.
20 to 10,000 Watts delivered by different units)
Local radiation levels can be detected with the proper equipment.
Currently the permissible level has been reduced to 1mw/cm. sq.
in the United States, as has been the case for several European
countries.
Doc. 01031254 Rev. 1
S-7
Summary of Contents for T04CO
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