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经各试制单位一年多努力,以下三十二个品种通过了技术鉴定或设计定型: 上海元件五厂:5G052四路旋转发光式音量指示电路,5G167三路旋转发光式音量指示电路,5G6617八路同相驱动器,5GM055多功能闪光电路,5GM0401闪光胸花电路,5GM1403光柱式音量指示模块,SGM1403-2录音机频率均衡显示模块; 上海无线电七厂:SW494脉宽调制器,SF54544双路定向电机驱动电路,SF62083八路达林顿驱动电路,SW700汽车专用集成电路,SW78L00三端固定式正集成稳压器,
After trial units more than a year of efforts, the following 32 varieties of technical appraisal or design through the stereotypes: Shanghai Components Factory: 5G052 four-way rotating light-emitting volume indicator circuit, 5G167 three-way rotating light-emitting volume indicator circuit, 5G6617 Octal 5GM0401 flashing corsage circuit, 5GM1403 light bar volume indicator module, SGM1403-2 recorder frequency equalization display module; Shanghai Radio Seven Factory: SW494 pulse width modulator, SF54544 dual directional motor drive circuit, SF62083 Octal Darlington drive circuit, SW700 Automotive ASIC, SW78L00 three-terminal fixed positive integrated voltage regulator,