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سؤال 323

What is a link budget?

  1. The financial costs associated with operating a radio link
  2. The sum of antenna gains minus system losses
  3. The sum of transmit power and antenna gains minus system losses as seen at the receiverپاسخ درست
  4. The difference between transmit power and receiver sensitivity

توضیح

A link budget accounts for everything between the transmitter output and the receiver input: transmit power plus all gains, minus all losses. The choice listing only antenna gains minus losses leaves out the transmit power, so it is not the budget.

ادامهٔ این آزمون

شروع تمرین
سؤال 323: What is a link budget? · FCC General Class (Element 3) · Questena