Basic Electronics: NPN Junction Explained

AI Thread Summary
The discussion focuses on the NPN junction's functionality in electronics, emphasizing the importance of capacitors in input and output circuits for stability and signal integrity. Removing the bypass capacitor can significantly alter circuit performance, potentially leading to increased noise and reduced gain. The resistors R1 and R2 are crucial for setting the biasing conditions of the transistor, ensuring proper operation within its active region. Participants are encouraged to share their insights on these topics for further clarification and learning. Engaging in this discussion can enhance understanding of NPN junctions and their applications in electronic circuits.
jasum
Messages
8
Reaction score
0
http://hyperphysics.phy-astr.gsu.edu/hbase/electronic/npnce.html#c3

Here is the explanation of npn junction in hyperphysics
1,what important to add the cap. inside the input and output circuit?
2,what difference after I select the remove the bypass cap. in the website?
3,what is the purpose for adding the R1 and R2 in the circuit?

Thank you a lot!
 
Last edited:
Physics news on Phys.org
What do you think about those questions? Post your answers and we tell you if they are right. If they are wrong we will orient you in order to correct them.
 
I multiplied the values first without the error limit. Got 19.38. rounded it off to 2 significant figures since the given data has 2 significant figures. So = 19. For error I used the above formula. It comes out about 1.48. Now my question is. Should I write the answer as 19±1.5 (rounding 1.48 to 2 significant figures) OR should I write it as 19±1. So in short, should the error have same number of significant figures as the mean value or should it have the same number of decimal places as...
Thread 'A cylinder connected to a hanging mass'
Let's declare that for the cylinder, mass = M = 10 kg Radius = R = 4 m For the wall and the floor, Friction coeff = ##\mu## = 0.5 For the hanging mass, mass = m = 11 kg First, we divide the force according to their respective plane (x and y thing, correct me if I'm wrong) and according to which, cylinder or the hanging mass, they're working on. Force on the hanging mass $$mg - T = ma$$ Force(Cylinder) on y $$N_f + f_w - Mg = 0$$ Force(Cylinder) on x $$T + f_f - N_w = Ma$$ There's also...
Back
Top