Jul 12, 2013 #1 V vaah Member level 3 Joined May 24, 2012 Messages 67 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Location US Visit site Activity points 1,785 I want to extract the parasitic capacitor a bjt practically(in the lab). I dont know how I can do that? plz help me if u know. tnx in advance
I want to extract the parasitic capacitor a bjt practically(in the lab). I dont know how I can do that? plz help me if u know. tnx in advance
Jul 12, 2013 #2 andre_luis Super Moderator Staff member Joined Nov 7, 2006 Messages 9,654 Helped 1,191 Reputation 2,401 Reaction score 1,219 Trophy points 1,403 Location Brazil www.linkedin.com Activity points 55,987 Put a series resistor before base, and take some measurements from base at wide badwidth ( from some KHz up to some MHz ). https://ars.els-cdn.com/content/image/1-s2.0-S0026269298000822-gr1.gif +++
Put a series resistor before base, and take some measurements from base at wide badwidth ( from some KHz up to some MHz ). https://ars.els-cdn.com/content/image/1-s2.0-S0026269298000822-gr1.gif +++
Jul 12, 2013 #3 V vaah Member level 3 Joined May 24, 2012 Messages 67 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Location US Visit site Activity points 1,785 andre_teprom said: Put a series resistor before base, and take some measurements from base at wide badwidth ( from some KHz up to some MHz ). https://ars.els-cdn.com/content/image/1-s2.0-S0026269298000822-gr1.gif +++ Click to expand... Tnk u,Andre I've done that but I dont know to extract the capacitance from the equations? plz if u can explain more... tnx in advance
andre_teprom said: Put a series resistor before base, and take some measurements from base at wide badwidth ( from some KHz up to some MHz ). https://ars.els-cdn.com/content/image/1-s2.0-S0026269298000822-gr1.gif +++ Click to expand... Tnk u,Andre I've done that but I dont know to extract the capacitance from the equations? plz if u can explain more... tnx in advance