现行 SJ 3135-1988
彩色电视接收机用频道选择开关总规范 彩色电视接收机用频道选择开关总规范 Generic specification for frequency channel selector switches for use in colour television broadcasting receivers
发布日期:1988-04-08
实施日期:1988-10-01
分类信息
标准简介

本规范适用于彩色电视广播接收机用频道选择开关(以下简称频道选择开关或开关)。该类开关供彩色电视广播接收机等电子设备的频道预选电路作频道选择用,其最大额定电压为DC50 V,最大额定电流为0.3A。该类开关为由多个基本单元组成的多单元按钮开关

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最后更新时间 2025-08-28