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Electrical Engineering

Questions tagged [non-inverting]

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For questions about signal processing which does not invert the input.

175 questions
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2 answers
118 views

I need a single-supply non-inverting summing amplifier for DC signals. Because I do not have a negative supply available, the obvious solution of using standard op-amps as inverting amplifiers seems ...
Dwayne Reid's user avatar
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1 vote
3 answers
451 views

My following observations are: The opAmp feedback is connected with a Darlington pair. VBE drop across each BJT is ~0.7V. R1 and 𝑅2 form a voltage divider, which determines 𝑉𝑜𝑢𝑡. Is this correct? ...
Sannasi Chakravarthy S R's user avatar
  • 31
6 votes
3 answers
571 views

The preamp and tuner on my guitar died, so I decided to make a new one myself. For the moment I am focused on the preamp. This is my preamp design (Scroll Down For Revised, Possibly Functional Version)...
erikor's user avatar
  • 259
0 votes
0 answers
101 views

I'm using MCP6022 opamp to double the signal with non-inverting amplifier circuit. I feed the opamp with 5V and when I apply 2 volts, I expect 4 volts. on datasheet When I look at the data sheet of ...
Mert Krgx's user avatar
  • 11
0 votes
1 answer
100 views

Are there logic-level chipsets where the signals can be inverted or non-inverted with a common control pin? For example, a quad input/quad output IC with a common control pin where the outputs are non-...
paraparabolic's user avatar
  • 95
1 vote
2 answers
323 views

I'm designing a hobby project where I'm communicating analog data via a PLC. I want to convert the output of my MCU's DAC to a 0-10V signal using a noninverting opamp. I'm controlling the gain of the ...
jonif17's user avatar
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3 votes
4 answers
1k views

simulate this circuit – Schematic created using CircuitLab I am having trouble properly connecting an LM358N op amp to amplify a small AC signal. I tried connecting the positive side of my ...
manylya's user avatar
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7 votes
6 answers
942 views

I'm trying to solve this question for homework but they mentioned the first op amp is in negative feedback. How though? Is it because of the output of the second op amp (OA2) is also in negative ...
alxzhu's user avatar
  • 134
2 votes
3 answers
472 views

I'm using TL072 with the attached circuit in order to make a 3x gain. The AO2 signal comes from DAC of uC which is changing from 0 to 3.3V. But when AO2 is lower than 0.8V, the output signal (T_ref) ...
MHBagh's user avatar
  • 23
1 vote
2 answers
145 views

I have been using a 555 timer as a MOSFET non-inverting driver for a few months now. It really is a signal amplifier for an Arduino Nano (which outputs 5 V) and it amplifies the signal into the gate ...
soupflood's user avatar
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5 votes
7 answers
1k views

The question asks: "Exercise 14.5 Assume an ideal op amp and use the summing-point constraint to find an expression for the output current io in the circuit of Figure 14.14. Also find the input ...
Nitai Michalski's user avatar
  • 111
3 votes
4 answers
439 views

I need to find the Thévenin equivalent of the right side of the circuit by looking into node E and F. How can I find it?
LSK's user avatar
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0 votes
1 answer
128 views

I am doing a simulation in multisim to simulate an non inverting amplifier, but i have gotten values that is not what intended. From what i know, the gain for non inverting amplifier is Va = 1 + Rf/...
randomnick's user avatar
  • 15
0 votes
2 answers
139 views

For a standard non-inverting amplifier as below: With nodal analysis, I got $$\frac {v_o} {v_i}=\frac {R_EZ_o+aZ_iR_E+aZ_iR_f} {R_ER_f + R_EZ_i + R_EZ_o + R_fZ_i + Z_iZ_o + R_EaZ_i}$$ However, with ...
Matt's user avatar
  • 169
1 vote
2 answers
375 views

This circuit is connected to 250V AC power and I would like to calculate the values ​​of the resistor and capacitor, but I don't know which formula to use to calculate it. I think this circuit is ...
Noting's user avatar
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