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| What is meant by the term noise figure of a communications receiver? |
| A) The level of noise entering the receiver from the antenna. |
| B) The relative strength of a received signal 3 kHz removed from the carrier frequency. |
| C) The level of noise generated in the front end and succeeding stages of a receiver. |
| D) The ability of a receiver to reject unwanted signals at frequencies close to the desired one. |
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