飞行时间质谱仪射频四极杆驱动器的研制
Journal of Chinese Mass Spectrometry Society(2009)
Abstract
针对自制垂直引入式飞行时间质谱仪(orthogonal extraction time-of-flight mass spectrometer,O-TOFMS)的需要,运用直接数字频率合成(direct digital frequency synthesis,DDS)技术,研制了射频四极杆的高压射频驱动电路装置。该驱动器频率可调范围为0.5~2 MHz,幅度最高达到1 000 Vp-p。该射频四极杆驱动器(radio frequency quadrupole driver,RFQ Driver)可用于分子离子反应器(molecule ion reactor,MIR)和RFQ驱动,其结构简洁、成本低、性能稳定可靠。
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Key words
time-of-flight mass spectrometer(TOF MS),direct digital frequency synthesis(DDS),radio frequency quadrupole(RFQ)
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