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Results tagged with feedback
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user 201972
Feedback is a process whereby information from an output of a signal is used (intentionally or unintentionally) to alter the input of the same signal. Commonly used in operational amplifiers. An everyday example is the high-pitched audio frequency heard when a microphone picks up audio from its own amplified output.
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242
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How is this series series feedback topology forOPAMP?
This is stated as series series type of negative feedback but why.
Whereas this one is series shunt topology …
- 475
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0
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53
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What will be vo/i for given circuit?
Solve using both approaches first using small signal analysis and then using feedback analysis. …
- 475
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1
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178
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How to find voltage gain of below analog circuit without using Nodal analysis?
This is a theoretical circuit just made to see that if I can find voltage gain of circuit and it took me much calculations then anticipated to get voltage gain.I just want to find if there is better …
- 475
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What will be small signal trans resistance gain of shown circuit?
I analysed this circuit using first considering this circuit as feedback circuit with shunt-shunt type of feedback and then did the same analysis considering that the circuit is a common emitter amplifier … I pretended that I don't know feedback circuits and followed the basic approach of nodal analysis followed in small signal analysis. …
- 475
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3
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How to find input impedance of this OPAMP circuit?
OPAMP to be ideal with infinite gain (a) and infinite input impedance
I am clearly able to see that the input impedance of this circuit is R1 (correct me if I am wrong) but I am unable too solve using feedback … Thus feedback impedance should be infinity/loop gain which comes out to be infinite
Q2. …
- 475
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276
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How to prove that a circuit has negative feedback?
Queries regarding this circuit:
I am able to say that this circuit has negative feedback but my procedure is disorganized. I want a step wise procedure to identify the polarity of feedback. … I do feedback analysis of the circuit? …
- 475
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1
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565
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What is topology of feedback for circuit?
I am confused between Voltage Shunt and Current Shunt Also mention why R2 shouldn't be considered as feedback as it is emitter degeneration resistance
Consider the above circuit why can't I consider …
- 475
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168
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How to select resistance to cancel offset output voltage due to bias current?
Consider the figure above how Rcomp was choosen. I know for simpler circuits
like inverting amplifier and ideal integrator how Rcomp was calculated but following same procedure (that's using superp …
- 475