# DC Biasing of Bipolar Junction Transistor Circuits

Discussion in 'Homework Help' started by sparkey2000, Jul 28, 2008.

1. ### sparkey2000 Thread Starter New Member

Mar 9, 2008
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Has anyone got some simple question papers (with answers) for the following types of BJT amplifier circuits; or even a link to a good website:

Simple Bias Circuit
Potential Divider Circuit
Self Stabilizing Bias

I really need some questions to work through, however I have no answers for my course notes.

Thanks in advance for any help.

Nov 17, 2003
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3. ### sparkey2000 Thread Starter New Member

Mar 9, 2008
8
0
Sorry; I will post a new message.

Nov 17, 2003
6,960
144

Dave

Apr 5, 2008
15,534
2,300

Nov 17, 2003
6,960
144
7. ### silvrstring Active Member

Mar 27, 2008
159
0
sparkey2000,

I have some notes of my own on Fixed bias and Emitter biased BJTs, Collector/Emitter biased BJT circuits, and Voltage divider BJTs. My notes are mostly on voltage divider BJT circuits. Though, I do also have a small bit (super small) on fixed bias and emitter bias. Is that what you need?

Let me know. I'll see what I can put together.

8. ### sparkey2000 Thread Starter New Member

Mar 9, 2008
8
0
Hi Silvrstring. Those notes sound ideal, thank you for the offer.

I will PM you my email address

Thanks,

9. ### sparkey2000 Thread Starter New Member

Mar 9, 2008
8
0
I have the following questions for a revision paper I'm working through; sadly I dont have answers:

Determine wherther or not the transistor is in saturation.
Assume , Beta = 50 and VBE = 0.7V

The circuit has two power supplies:

VBB = 3V
VCC = 10V

And two resistors:

RC = 1kOhm
RB = 10kOhm

Many thanks

Apr 5, 2008
15,534
2,300
Hello,

I made a drawing of the schematic and made the calculations in it.

Greetings,
Bertus

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