4800 bd modem for vhf/uhf fm packet radio     Revised:       May 15, 1989
Schematic diagram pa0wch print                Revision: a
Bill Of Materials          September  6, 1989      8:57:34          Page    1

Quant. Reference                    Part

  2    C1,C3                        47u        
  2    C2,C4                        10u tant.  
  2    C30,C44                      4n7        
 12    C31-C34,C38-C41,C45-C47,C50  1n   10% of beter.
  1    C35                          100n       
  1    C36                          4u7        
  1    C48                          150n       
  4    C49,C37,C42,C43              47n        

  3    D7,D8,D9                     1N914      

  2    J9,J8                        JUMPER     

  1    R31                          5K instelpotm.
  1    R40                          100        
  7    R43,R38,R45,R52,R54,R57,R75  100K       
  1    R44                          10K instelpotm.
  2    R59,R62                      10K        
  4    R46,R47,R50,R51              56K        
  6    R48,R32,R33,R35,R36,R37      47K        
  2    R49,R34                      39K        
  2    R53,R39                      15K        
  2    R56,R55                      220K       
  1    R58                          1K         
  2    R60,R61                      15         
  5    R64,R30,R63,R65,R78          3K3        
  3    R67,R66,R68                  2K2        
  1    R71                          560        
  1    R72                          330K       
  1    R73                          4K7        
  1    R74                          50K instelpotm.
  1    R76                          1M         
  1    R77                          270K       
  1    R79                          1K8        

  1    U1                           78L05      
  2    U14,U15                      TL084      
  1    U16                          LM339      
  1    U17                          74LS00     
  1    U18                          4551       
  1    U19                          74HC132    
  1    U2                           79L05