Skip to main content

All Questions

0 votes
1 answer
77 views

Bipolar Junction Transistor operating modes

If I use a BJT transistor as a switch, the transistor operates in the saturation or cut-off region, not in the active region. However, some sources use the formula IC = β·IB. However, this formula is ...
Serkan Kaya's user avatar
4 votes
3 answers
640 views

Need to increase the amplitude of op-amp output

I'm using this circuit to measure the RPM of a DISC rotating at 24000 rpm. This circuit is working fine. But the problem is with amplitude. It should be of 4.2V, but actually is of 2V as shown in ...
mastermind's user avatar
2 votes
0 answers
116 views

How does a MOSFET conduct in saturation region?

It is a simple question but I could not find a straightforward answer. When a MOSFET enters saturation region, the channel length starts to decrease, and the channel width is the smallest near the ...
Siddharth Nandhan's user avatar
2 votes
2 answers
1k views

Identifying parts of a transistor die

In books, I have studied that in a Transistor, the Base is the layer sandwiched in between Collector an Emitter. Wikipedia also mentions that "The base is physically located between the emitter ...
Rupesh Routray's user avatar
0 votes
1 answer
354 views

Does input signal mean same as input in transistors as amplifier?

During solving [this question] I came across a term input signal, I want to know whether input signal means the input voltage or change in input voltage? I am unable to solve if I take input signal as ...
JM97's user avatar
  • 169