		  ( )

 ,    -    
,         , 
  ,    . 
    :

Attenuator	
 
* Att	
	    .
* Calc
	      R26  R27  
	    Re,   
	    Att.
* R26  R27
	 ,   

LP filter section		  LP ()
  Lowpass
* Filter order	 
	     lowpass .
* Cutoff	
	    lowpass
* Calc
	      L21, C22, L23  C24 
	     ; 
	 ,    Re.  
	,     ,  N=4, 
	     . 
	      Butterworth.
* L21, C22, L23, C24
	,    lowpass

 
Notch section	 
* R25  L25  C25
	  ,    
	   ,  
	       

HP filter section	  HP
  Highpass
* Filter order	 
	     highpass .
* Cutoff	
	   highpass 
* Calc
	      C21, L22, C23  L24 
	     ;
	 ,    Re.
* C21, L22, C23, L24
	,   highpass 
Disconnect	
	  ,  
	       .
Zobel network	Zobel 
	 
* Calc
	      R28  C28  
	   Re  Le,   	 .
* R28  C28
	,   zobel ()

 ,      2- , 
   ,  ,   
  ,   ,    
      . , 
  0.780; 0.5   L21 ,  
  0.780     
 ,  0.5 