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  9. Kenwood TS-440S User manual

Kenwood TS-440S User manual

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KENWOOD
 

HF 




  

 
   
  
 
  
 
  
 
 
 
  
 


 
 

 
 
  111
 
 
  


 
  
TS-440S
2
(GENERAL)

  

 


  


 
 



(TRANSMITTER)


  

  
  
 
SPECIFICATIONS
    
    
   
   
   
   
   
   
   
 
  󰇽  
       
  
 
 
        
         
      
       
   
   
  
  
  
  
   
    
    
    
 

      

 󰂢󰇽  󰇽 󰇽 
  
  
  
 

 






 
  
  





 

  
 
  
 
 
  

  

SPECIFICATIONS
   
   
    
   
   

   
   
   

      
     
      
      
    





  
  

  
  
  

    
   
    
   
   
 
 (-3 dBµ)
     
   
   
 
 

  
   
  
       
4    
   x 
   x    

             
3
TS-440S
4
 
1. Overview
•  
  
    
   
•     

       
    
• 
      
  
  
•  
  
     
     
 99 
2. Frequency Elements
       

 
   
 
   
󰇽   
󰇽   
  
  
  
(9) 
  
     
 

       
  
  
󰇽  󰂡󰇽 󰇽󰇽 󰂡󰇽
󰂡󰇽
󰇽
_

󰁷󰇽 
󰇽󰇽󰇽
4

 
-
󰇽
 󰇽 

󰇽 
󰇽
.
 󰇽
󰇽
󰇽
 ·
  󰇽 󰂡󰇽
  󰇽󰇽󰂡󰇽
󰇽 󰇽 󰂡󰇽
Fig. 1 Frequency configuration

    
 
       
   
(fHETl         
 
     
    
   
 =       

CIRCUIT DESCRIPTION


ANT
  
 
 
( l'  



 
 
 
 
 
 
󰇽  
:use.cw 
 


  II
 
Fig. 2 PLL frequency configuration
󰇽 
  
   

󰇽
󰇽
󰇽
󰇽
󰇽
󰇽
 
󰇽 
󰇽
 󰇽
 



 

󰇽
󰇽

󰇽 
 
󰇽 󰇽

 󰇽
󰇽 
󰇽
 󰇽

󰇽 󰇽

󰇽 󰇽


󰇽
󰇽

󰇽 
󰇽  󰇽
   󰇽

󰇽 󰇽
 󰇽
    󰇽
  
󰇽 󰇽
   
   
 
󰇽 󰇽

󰇽 󰇽  󰇽 󰇽󰇽󰇽󰇽󰇽󰇽 󰇽
 󰇽
󰇽   󰇽
 
 󰇽 󰇽   9
    

 
  󰇽  󰇽󰇽 󰇽 󰇽  
󰇽 󰇽
     󰇽   

    
  󰇽   
   
    

   
 
 󰇽󰇽 

 
 
 󰇽    󰇽   
   

TS-440S
6
CIRCUIT DESCRIPTION
 J     
     
      
   
 J      
     
    
    

 
      +I -
    
 
   
 fcAR, 
     
   
   

 





  
     
    
fvco 
 fvco3.     fcAR  
     


 
      
     
 
  
cw 
   
   

 
  
TS-440S
CIRCUIT DESCRIPTION
        
  

  
        
 

   
 
        
  
     
   
  
   
       
  
 
      
        
  

   
 
1 ) Selectivity circuit
         


       
"?if'
 C25
  


 To 
󰇽󰆸󰇽
󰆹󰇽



, 󰇽
l 
 




SSB
BBS

BBC
BBW


  

   
 
  

          
      
 
    
  
 

  
          

  
 
     
      
      
   
   
     
      
     

BBS

BBC

󰇽 󰇽 󰇽
󰇽󰇽
󰇽
 




Fig . 4 Selectivity control circuit 󰇽󰇽 󰇽
7
TS-440S
CIRCUIT DESCRIPTION
8

 
 
 
 
 
 
 
 

 





-

 
 
 
 
 
 -
  
 

  
       
        
        
    
     
        
 
     
4     
 
     
        
        
       

    
     
    
    
 
        
     
      
     
  
     
         
  2   
 
     
 8      
 
  
 

  
 NO RX

 

 



 
 
 
 
 
 
 
 
    
      
      
  6   
     
   
     
    
 
     
6      
      
    
   
     
    
  
     
      
 
   
        
        
      
     
    
     
    V  
    
TS-440S
CIRCUIT DESCRIPTION
2) AF notch circuit
 󰇽

     󰇽

  
 G
 
󰇽 I 
 
󰇽
il 
󰇽 

 
󰇽


 󰇽
󰇽


 22K
󰇽
󰇽

󰇽 󰁶󰇽

VR2
 VR3
 



󰇽








Fig. 5 NOTCH circuit
         
  
   

   


  
        

 jj    
    
    
     
  
    
9
TS-440S
10
 
   

 
󰇽
  
󰇽󰇽
󰇽
󰇽

󰇽

󰇽
 
󰇽

󰇽
󰇽
󰇽
 
󰇽
 
󰇽

󰇽

󰇽

1

Fig. 6 Transmitter circuit configuration
   
 
  
   
 
  
     
          
  
 
           
   
    
   
     
  