1.概述我省有鞍山等厂早期生产的Ⅰ波段1kW黑白电视发射机多部。这些老设备曾经过一些改造,在彩色电视机发展初期起过作用。但在中频调制彩色电视发射机研制出来后,它们之中不少被替换下来,送进仓库。能不能花少量资金,对这些老设备进行彻底改造,使它们继续发挥作用?我们觉得这是一 1. Overview Anshan factory in our province and other early production of Ⅰ-band 1kW black and white TV transmitters and more. These old devices have undergone some modifications and have played an important role in the development of color television sets. However, after the IF modulated color TV transmitter was developed, many of them were replaced and sent to warehouses. Can we spend a small amount of money on these old equipment to make a complete transformation so that they continue to play a role? We think this is a