620/CH29/EX29.5/example29_5.txt


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 Part a   
 
 the overall voltage gain with 10 % negative feedback is   
 
  - 8.  
 
 Part b   
 
 the overall voltage gain with 20 % negative feedback is   
 
  - 4.4444444  
 
 Part c   
 
 the overall voltage gain with 1 % positive feedback is   
 
  - 66.666667