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Results tagged with amplifier
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user 147568
An amplifier can be used to adapt the range of a signal to a requirement, to make it more robust for transmission, or to satisfy interface requirements (like input/output impedance).
1
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Can anyone explain the term \$\small R_D/r_o\$ in the gain of this amplifier?
You can find the solution in the following figure. In your case, the RL (in the figure below) is infinity, and the RS (in the figure below) is 2Rss. You can replace these terms, and the results will …
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0
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Accepted
What is a symmetrical differential amplifier?
Symmetrical differential amplifier is just a differential amplifier but with the following characteristics:
1.The amplifier (MOS or BJT)should has matched transistors(Q1 and Q2 should have the same characteristics … e.g W/L ratio, μn*Cox for MOS symmetrical diff amplifier or same beta, Vτ, Is for BJT symmetrical diff amplifier)
2.The amplitude and the frequency of the input signals should be the same for Q1,Q2 …
- 394
0
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1
answer
702
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Output resistance in a BJT differential amplifier
I have the following differential amplifier and I would like to find which is the output resistance of this circuit in the cases of differential input and common mode input.I know that the input resistance … Also Ι simulate this differential amplifier in Pspice.The results was Rout= 100kΩ when I set a common mode input and Rout= 200kΩ when I set a differential mode input.Hοwever, I can understand the reason …
- 394
0
votes
Accepted
Mosfet Amplifier Problem
First stage should be CS amplifier and the output will be the input for a CD amplifier which will operate like a buffer. …
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