本刊在1996年第4期刊登的《怎样加装增补频道高频头》是一篇实用性很强的好文章,许多电子爱好者都很喜欢。笔者在实践中发现,该文中所增加的电压转换板电路完全可以采用另一种更为简单、经济和可靠的电路。下面以最常见的使用TDQ-2型高频头的松下 The magazine published in the fourth issue of 1996, “How to add additional channel tuner” is a very useful article, many electronic enthusiasts are like it. The author found in practice, the article added voltage conversion board circuit can use another more simple, economical and reliable circuit. The following is the most common use of Panasonic TDQ-2 type tuner