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本文所述对日立牌CPT—236型彩色电视接收机保护系统的改进,仅需在NP8C基板上作很小的工艺变更,便可省去一只TF320M可控硅等元件(成本及其它费用约
The improvement of Hitachi’s CPT-236 color TV receiver protection system described in this article requires only a small process change on the NP8C substrate to eliminate the need for a TF320M thyristor and other components (cost and other costs about