You need to check 2 issue. 1. The resistor is parallel or series in your network? 2. Some of the t ... kk_ho 發表於 2010-5-22 11:21
你用水泥電阻效果好似會無咁好,如果自己改最好用金屬皮膜電阻,因為電感極低。 ... balex 發表於 2010-6-1 18:18