The principle and main circuit design ideas are given for the mobile pulse output module tester.
介绍了便携式脉冲输出模块测试仪的原理和主要电路设计思想。
Year 2000: ECT cell phone composite tester was brougt up, Dalian ECT entered mobile phone field.
2000年：东海数字手机综合维修系统面世，东海正式转入手机维修行业。
The essay mainly expatiates the method to earphone of mobile telephone with SF200Learphone integration tester and the usual problems in the testing process.
本文主要阐述SF 200 L耳机综合测试仪检验手机耳机的方法，以及在检测过程中的要素问题。
The essay mainly expatiates the method to earphone of mobile telephone with SF200Learphone integration tester and the usual problems in the testing process.
本文主要阐述SF 200 L耳机综合测试仪检验手机耳机的方法，以及在检测过程中的要素问题。
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