درود  
این مدار را بسازید : 
 
 
  
1 - TL082  (dual op amp) 
2 - 1N4148 (diode) 
1 - TIP122 (NPN transistor) 
1- BC558 (PNP transistor. You can use a BC557, BC556 or equivalent. They are all fine for this application) 
1 - 2700ohm resistor 
1 - 1000ohm resistor 
1 - 10Kohm resistor 
1 - 22Kohm resistor 
1 - Series resistor (see previous step) 
1 - 10Kohm potentiometer 
1 - 470uf capacitor 
1 - 1uf capacitor  
 
 
 
   
PDF  طرح PCB ضمیمه شد F1LNA7TIAEJKD2R.pdf