單項(xiàng)選擇題駝峰推峰移頻機(jī)車信號(hào)系統(tǒng)移頻發(fā)送裝置允許載頻頻偏為()

A.±0.05Hz
B.±0.1Hz
C.±0.15Hz
D.±0.2Hz


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1.單項(xiàng)選擇題駝峰推峰移頻機(jī)車信號(hào)的輸入電源電壓為()

A.110V±11V
B.110V±16.5V
C.220V±11V
D.220V±22V

3.單項(xiàng)選擇題駝峰推峰無線機(jī)車信號(hào)系統(tǒng)車上設(shè)備的輸出電壓,接口為()

A.DC12V±1V
B.DC12V±2V
C.DC24V±1V
D.DC24V±2V

6.單項(xiàng)選擇題駝峰推峰無線機(jī)車信號(hào)系統(tǒng)車上設(shè)備的輸入功率為()

A.≤200W
B.≤300W
C.≤400W
D.≤500W

7.單項(xiàng)選擇題駝峰推峰無線機(jī)車信號(hào)系統(tǒng)車上設(shè)備的輸入電壓為()

A.DC110V
B.DC110V±1V
C.DC110V±1.65V
D.DC110V±3.85V

9.單項(xiàng)選擇題駝峰推峰無線機(jī)車信號(hào)系統(tǒng)地面設(shè)備的輸出電壓,接口為()

A.DC10V±1V
B.DC12V±1V
C.DC15V±2V
D.DC15V±5V