有线电视解扰器图纸资料，非常难得，详细介绍了当前市场上的一款有线电视解扰器的实现原理-Drawing data cable descrambler, very rare, detailing the current market, the realization of a principle of cable descramblers

number of available descramblers (keys).type of supported scrambling system.

study of scramblers and descramblers with the help of its practical implementation in lab. This report also encloses the net results by the scramblers and descrambles implemented using D-Flip Flop