In digital communication, a special synchronization pattern, known as a preamble, is used to indicate the beginning of a packet. For example, the Ethernet I1 preamble includes eight repeating octets of "10101010". We wish to design an FSM that genera

Tx/Rx FSK This scr ipt sends a standard preamble and then switch to data transfer mode. This scr ipt allows the modem to synchronise to an incoming data stream that is preceded by a preamble.