00522nam a22001697a 450000500170000001000140001702000250003103500130005603700130006908200120008210000210009424500630011526000390017827000620021730000330027950000400031220100807163358.0  aENG-98914  c90.00a9789380439136  aEN-82446  bDBAD/PUB  a621.381  aThirumoorthy, P.  aDigital and communication electronics /cby P.Thirumoorthy  aErodebKongu Nadu Literaturec2009  a93, Chinnamuthu Main Street, E.K. Valasu, bErodee638011x avi, 137p.:c21cm (pbk)bill.  aincludes bilbiographical references