Gmdss_e3 : Element 3 - 350/605 |
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What kind of input signal could be used to test the amplitude linearity of a single-sideband phone transmitter while viewing the output on an oscilloscope? |
A) Whistling in the microphone. |
B) An audio frequency sine wave. |
C) A two-tone audio-frequency sine wave. |
D) An audio frequency square wave. |
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