LAPORAN SISTEM VIDEO


Senin, 03 Januari 2011

EXPERIMENT 4 CABLE TELEVISION

PURPOSE
  1. Determining the modulator output attenuation before being distributed to customers.
  2. Determine the amount of attenuation along the channel.
  3. Knowing the strengthening of the cable television amplifier.
Used Equipment

  1. A Spectrum Analyzer 
  2. 1 Modulator channel 3 
  3. Connector 75 Ohm impedance matching 
  4. 2 Television 
  5. 2 VCD player 
  6. A connecting cable 75 Ohm ( 2 m) 
  7. An RG-59 coaxial cable 75 Ohm (140 m) 
  8. Connector N male to BNC female
Circuit diagram


INTRODUCTION
 
Edge Head (Head End)


Edge provides event signals (programs) for all channels. Local broadcasting and a much captured by an antenna mounted on top of a very high tower in order to extend the distance limit of view. These signals can be distributed it as their home channel number or frequencies diheterodinkan into different channels.