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Which of the following amplifiers is used in the transmitter substation?(a) RF amplifiers(b) Buffer amplifiers(c) Klystron amplifier(d) Operational amplifiers |
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Answer» Right answer is (c) Klystron amplifier To elaborate: The signals to be sent to the satellite might be TV programs, multiple telephone calls, or digital data from a computer. These signals are used to modulate the carrier, which is then amplified by a large traveling-wave tube or klystron amplifier. |
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