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杭州无线电八厂为满足彩色国产化需要,消化吸收日本东芝原装样机,研制成功PPQ-4型彩色电视接收机用天线阻抗匹配器,经过实际使用认定基本达到日本原装机的技术性能指标。
In order to meet the needs of color localization, Hangzhou Radio Eight Factory digested and absorbed prototype prototypes of Toshiba of Japan and successfully developed an antenna impedance matching device for PPQ-4 color TV receivers. After being actually used, the technical performance indicators of the Japanese original machines were basically met.