s3

 CATV  CATV  Community Antenna Television System 

        1.  CATV
                        CATV
         
           

      2 .  CATV
                        CATV   
               
         
              2.1 
                       CATV   
         
             
             
          
           
         
             2.2 
                             1.  (Trunk amplifier  TA)
           
         
                             2.  (Trunk Bridging Amplifier  TBA)
             (branch line)
           , 2   4
          
                             3.  (Extension Amplifier  EA)
          
          
                            4.  
           CATV
                            5.  (Lightning Arrestor)  CATV
           
            
                            6.   CATV
           
          

      3.  CATV
             3.1  CATV
                       CATV  
           
            
             
                      1.  
               
                           -      50 dBmV
                           -     
                           -       
              
                          -    
                     2.   
              
                         -    
                         -    

  CATV

	
1. 	65 - 80 dBmV
2. 	 10 dB
3. Hum Modulation	 - 50 dB
4. 	 3 dB  
5. C/N ( 4 Mhz)	 38 dB
6. Cross Modulation	 - 40 dB
7. Inter-Modulation	 - 50 dB
8.  65 - 80 dBmV	 - 30 dB

                          -        
               45  C 
                          -     CATV 
                 
                
               
      4.  CATV  2 
                        CATV    
               
                CATV  2  
                 CATV  2
                  
               
             

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