单项选择题
A.5W B.8W C.10W D.15W
A.28Vunregulated B.+5V C.+12V D.–15V
A.Synthesizer out of lock B.No DC supply connected C.High VSWR D.Low modulation depth
A.1.5:1 B.2:1 C.2.5:1 D.3:1
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