自制中波信号增强器

• 作 者: 余文波
• 出 处: 家用电器
• 发表日期: 2000年01期
• 关键词: 增强器 粤剧 中波 发射功率 五台 广播电台 下午 自激 杂音 波段

我的家乡毗邻港澳,家乡的父老喜欢收听香港广播电台中波段的节目,尤其是香港五台每周星期一至星期五下午2点到4点的粤剧节目更是吸引人。每到这个时候,许多父老乡亲都沉迷于那美妙的戏曲里。可惜,美中不足的是香港五台发射功率小,收听时常伴着较强的杂音。今年元旦,家乡的几位好友趁本人回乡之际找到我,希望能为他们改善一下收听效果。为此,笔

My hometown is adjacent to Hong Kong and Macau. My parents in my hometown like to listen to the radio programs on the mid-band of Hong Kong Radio. In particular, the five Cantonese opera programs of Hong Kong, from 2 pm to 4 pm every week, Monday to Friday, are even more attractive. Every time this time, many folks are indulged in the wonderful drama. Unfortunately, the fly in the ointment is that Hong Kong’s five Taiwanese transmitters have low power and often have strong noise when listening to them. New Year’s Day this year, a few friends in my hometown while I was back to find me, hoping to improve their listening performance for them. To this end, pen