seal_u_QFP_by_hand

说明：  本文试图帮助设计者在没有表面安装设备的情况下制作第一个使用 Cygnal TQFP 和 LQFP 器 件的样机系统 本应用笔记假定读者至少具有通孔焊接的基本手工焊接技术 本文介绍如何拆除 清洗和更换一个具有 0.5 mm间距的 48 脚 TQFP 器件
(This paper attempts to help designers in the absence of surface-mount equipment produced the first use of Cygnal TQFP and LQFP devices prototype system Application Notes assume that the reader has a through-hole, at least the basic manual welding Welding Technology This article describes how the removal of cleaning and replacement of a 0.5 mm pitch 48-pin TQFP devices)