(Frequency Conversion) Chelton Control Systems提供全系列的 频率转换器产品线：向上转换器(up converters)，向下转换器(down converters) 和IQ调变器(IQ modulators)。
基于14个网页-相关网页
Picking Up Some Power Converters 能量转换器
Up- and down-converters 上变频器和下变频器
Low speed lock-up torque converters 低速锁止液力变矩器
Digital up converter supports interpolation filter and complex mixer. Digital down converter performs down conversion and decimation filtering.
专用数字上变频器实现了基带数字信号的内插滤波和正交混频,数字下变频器则实现了中频数字信号的正交解调和抽取滤波的算法处理。
参考来源 - 全数字中频与基带传输系统中的算法与实现研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Used mainly in catalytic converters that curb the smog emissions of vehicles, platinum and palladium chalked up price increases of 56% and 117%, respectively, in the 12 months ended Nov. 30.
作为汽车催化净化器的材料之一，铂金和钯的价格在十二个月里分别上涨了56%和117%(截止11月30日）。
Not all 485 converters were able to take up to 128 devices.
本来并不是一切485转换器都能够带128台设备的。
Almost all the power converters in use up to now are line-commutated, when the level of active power is low, and reactive power consumed is high, being very harmful for the connection bus voltage.
至今几乎所有的电力变换器为在线换向式的当有功功率较小，而消耗的无功较大时，对所联接母线的电压是非常有害的。
应用推荐