Archive for the ‘Notes’ Category

  • Television Standards and broadcast channel

    Jun 21, 13 • 3207 Views • Notes1 Comment

    Television Standards: A number of Television standards now coexist the worldwide. It also offers detail listings of standards prevalent in various countries.Television broadcast commenced approximately 50 years ago. The knowledge gained over the years has

  • Composite Video signal and Component video

    Jun 20, 13 • 7174 Views • Notes1 Comment

    Composite Video signal:: The composite video waveform contains all the information needed for complete CRT picture, line by line and field by field. The signal is used in picture tube to reproduce picture on the scanning raster. The composite video consists

  • INSTRUMENTAL TECHNIQUES IN CHEMICAL ANALYSIS

    Jun 20, 13 • 4180 Views • NotesNo Comments

    INSTRUMENTAL TECHNIQUES IN CHEMICAL ANALYSIS  INTRODUCTION AND PRINCIPLE OF NMR:- The analytical instrument  is used for determining the daily process for modern chemical lab. It has vast knowledge as the instrument and computer manufacturer produces

  • DUPLEXER

    Jun 20, 13 • 14961 Views • Notes1 Comment

    DUPLEXER : One antenna is used by many radar systems to receive and transmit functions . The radars require very high power transmitters and sensitive receivers , whereas if an antenna is used by a radar  it requires only a front end configuration which will

  • Different television systems

    Jun 18, 13 • 3145 Views • Notes7 Comments

    Different television systems:- HDTV:High-definition television (HDTV) is  digital television broadcasting system with greater resolution than traditional television systems (NTSC, SECAM, PAL). HDTV is digitally broadcast because digital television (DTV)