actually TDMA is the technology which is being used by
telecommunication companies to make communication b/n mobile
users ,with GSM
in it a time slot is allocated to user in particular cell;
make before break switching mostly used in TDMA when a user
enters in new cell
TDMA disadvantage is that a user cannot continue its call
when he is entering in new cell and its all time slots are full.
in adaptor circuit there is a transformer(it has four input
& four output)which is used after rectifier .for what they
are using this? they connect input between 1&4 and get
output across 1&2 how it is possible?