# All Questions

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### Op-Amp analysis without using op-amp gain

I have a question concerning this op-amp problem for which I need to find an expression for $v_{out}(t)$, where $V_B$ has a constant value: simulate this circuit – Schematic created using ...
2answers
157 views

### Op Amp Summing Point Problem (Ideal)

I have a quick question on this example problem on (ideal) OpAmp analysis. I understand the basic cases of negative and positive feedback, and how there is a virtual short between the input pins of ...
2answers
113 views

### Help with analysing OP AMP circuit

This op amp circuit is used to offset stepped-down AC voltage by 2.5V(approx), so that the RMS of the voltage can be calculated. I can not change the configuration of the circuit, so that is ruled out....
2answers
517 views

### What is this Op-Amp Configuration doing?

This Op-Amp Arrangement is part of an analog signal processing for a knock sensor of a combustion engine and I'm very curious about what this part actually does, as my google research didn't help me ...
2answers
280 views

### Current Generalized Immittance Converter (CGIC) Nodal Analysis

Below shows the current generalized immittance converter. I am trying to derive the transfer function (V3/Vin) of the said filter but I am getting problems in obtaining the voltages at some of the ...
1answer
62 views

1answer
129 views

### Multi Op Amp Analysis

I am asked this for homework: I am trying to do nodal analysis for part A of the question but am running into problems with number of unknowns versus number equations. Assuming I chose my nodes ...
1answer
1k views

### Two Port parameters on an Op Amp

I am asked to find the h-harameters for this op amp: I found the gain to be 1.87*Vi (where Vi = the input source). However I don't know how to do two port parameters with op amps, we've only covered ...
2answers
233 views

### Systematic construction of the ODE system of a circuit containing opamps

I want to compute the voltages and currents in a circuit containing R,L,C, opamps and voltage sources. I perfectly understand how to do this for circuits containing only R,L,C and voltage sources, ...