An a / d converter max199 and its applications in phonic acquisition and playback system are introduced in the paper , which is of high - speed , high accu racy , multi - range , multi - channel and of low power consumption 介绍了一种速度快、精度高、多量程、多通道、低功耗的a / d转换器max199及其在语音采集与回放系统中的应用。
Abstract : an a / d converter max199 and its applications in phonic acquisition and playback system are introduced in the paper , which is of high - speed , high accu racy , multi - range , multi - channel and of low power consumption 文摘:介绍了一种速度快、精度高、多量程、多通道、低功耗的a / d转换器max199及其在语音采集与回放系统中的应用。
For multi - range voltmeters , the basic calibration will include measurements at full range for each range and linearity check on one basic range . linearity check on additional ranges may be offered at extra cost 多量程电压表的基本校正工作包括每个量程的全量程测量及一个基本量程的线性测试，本所亦可为额外量程进行线性测试，但须另行收费。
Single range voltmeters are normally calibrated at cardinal points ( maximum 10 test points ) . for multi - range voltmeters , the basic calibration will include measurements at full ranges and linearity check at 5 voltage levels for one range . linearity check for other ranges can be offered at extra cost 单量程电压表一般以基点(最多十个测试点)进行校正；多量程电压表的基本校正则会包括全量程测量及按五个电压量位为一个量程进行线性检查。
Wide plus k series universal pressure transmitters have multi - models , multi - measuring ranges , many kinds of processes connection form and material , they can widely used in petroleum , chemical industry , power , metallurgy , pharmacy and food and so on many industries field and may also adapt to various fields and medium in the industries Wideplus - k系列通用压力变送器具有多型号多量程,多种过程连接形式及材料。可广泛用于石油化工电力冶金制药食品等许多工业领域,可适应工业各种场合及介质，是传统压力表及传统压力变送器的理想升级换代产品,是工业自动化领域理想的压力测量仪表
The circuit design of the can communication module based on sja1000 can controller and double - port ram idt7007 is completed , and the circuit design of data processing instrument based on sja1000 can controller and 20 - bit multi - range a / d converter is done , and the circuit design of output control instrument based on sja1000 can controller and tlc5616 d / a converter is completed 在硬件上完成了基于sja1000can控制器和双端口ramidt7007的can通信卡的电路、基于sja1000can控制器和20位多量程a / d转换器的数据采集仪表的电路、以及基于sja1000can控制器和tlc5616d / a转换器的输出控制仪表的电路设计及实验。
