Hello Everyone,
I have a lab design problem for which I have to design a small signal amplifier for a gain of (positive) 50 v/v with an input resistance of 100 kOhms and and output reistance of 2.5 kOHms. I am required to do this using some sort of BJT amplifier. In addition I need to have a dynamic range of +/- 5 v. I am not limited as far as the number of stages I can use. Last note, i need to be +/- 10% of the above values.
Here is what I have tried:
- using two stage common emitter BJT amplifier
problems: the gain is so great small signals cause the amp to saturate
Also obtaining Rout = 2.5 kOhms causes the dynamic range to be so small (more like +/- 1 V instead of 5
All suggestions are welcome, Im stuck on this.
Thank you.
I have a lab design problem for which I have to design a small signal amplifier for a gain of (positive) 50 v/v with an input resistance of 100 kOhms and and output reistance of 2.5 kOHms. I am required to do this using some sort of BJT amplifier. In addition I need to have a dynamic range of +/- 5 v. I am not limited as far as the number of stages I can use. Last note, i need to be +/- 10% of the above values.
Here is what I have tried:
- using two stage common emitter BJT amplifier
problems: the gain is so great small signals cause the amp to saturate
Also obtaining Rout = 2.5 kOhms causes the dynamic range to be so small (more like +/- 1 V instead of 5
All suggestions are welcome, Im stuck on this.
Thank you.
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