User needbrainscratched

11 votes

6 answers

770 views

Need clarification regarding op-amp's ground/ reference and common mode dependence on supply

asked Feb 1 at 20:38

6 votes

2 answers

413 views

Why are low values of resistor in non-inverting configuration of opamp causing gain peaking?

asked Jul 4, 2021 at 8:29

5 votes

1 answer

629 views

Need help with simulation of three-phase rectifier with hysteresis controller

asked Feb 10, 2022 at 11:35

4 votes

4 answers

3k views

What exactly are IBIS simulation models? Can I use them like a normal simulation component?

asked Jul 2, 2021 at 15:04

3 votes

4 answers

1k views

Is -3dB bandwidth defined for any type of transfer function?

asked Jul 5, 2021 at 14:32

2 votes

1 answer

159 views

Why does current noise flow through the parallel combination of R1 and RF in a non-inverting opamp?

asked Jun 29, 2021 at 16:02

2 votes

1 answer

255 views

Question regarding connecting LISN to a three phase PFC

asked Mar 31, 2022 at 14:41

2 votes

3 answers

114 views

Why do we talk about system stability as a whole when Barkhausen criteria is valid only for one specific frequency?

asked Feb 12 at 14:36

1 vote

8 answers

319 views

Why should an open drain/collector comparator go low when pull up is not connected if it is essentially a floating node?

asked Jun 4 at 19:42

1 vote

1 answer

247 views

Why is my op-amp integrator charging up to the DC voltage supplied (instead of the rails)?

asked Jun 24, 2021 at 6:33

1 vote

3 answers

223 views

Why does current mirror need a diode connected configuration?

asked Oct 6 at 20:09

1 vote

4 answers

1k views

How to design EMI filter if you don't have the actual physical circuit ready?

asked Mar 27, 2022 at 22:13

1 vote

1 answer

651 views

LTspice giving weird results in simulation of phase shifted full bridge converter

asked Apr 2, 2022 at 15:08

1 vote

1 answer

446 views

Why is my battery showing a huge negative inrush current in my designed charger model?

asked Mar 20, 2022 at 20:14

1 vote

1 answer

283 views

Why is the Wheatstone bridge configuration almost always used for sensors over a simple voltage divider? [duplicate]

asked Jun 10, 2021 at 7:16

1 vote

1 answer

205 views

Why is the op-amp not able to amplify this voltage? It's a straight-forward non-inverting configuration with ideal op-amps(LTSpice simulations)

asked Jun 21, 2021 at 13:05

0 votes

2 answers

444 views

Minimum voltage reference for ADC

asked Jun 23, 2021 at 9:15

0 votes

1 answer

253 views

Can someone help me understand why exactly high CMRR is so important, particularly in medical instrumentation like ECG?

asked Jun 9, 2021 at 20:34

0 votes

2 answers

691 views

Can anyone help me in designing this variable frequency colpitt oscillator?

asked Jun 12, 2021 at 13:01

0 votes

1 answer

77 views

Can someone help me understand why in this datasheet the Vcm vs Vout curve(or the 'diamond curve') is specified for 'all gains'?

asked Jun 14, 2021 at 19:19

0 votes

1 answer

234 views

Can someone help me make this circuit work?

asked Jun 16, 2021 at 12:47

0 votes

1 answer

319 views

Can someone explain the dependence of coupling coefficient to inductance value to me? It seems counter intuitive

asked Jun 18, 2021 at 18:41

0 votes

2 answers

91 views

Does shunt calibration of a sensor also correct for zero error?

asked Jun 20, 2021 at 18:20

0 votes

0 answers

36 views

Are simulation models for components like ADCs and microcontrollers not available for Proteus?

asked Jul 2, 2021 at 6:37

0 votes

1 answer

83 views

What should be my sampling frequency for a peak detector output where it is extremely important for me to capture the first time the peak occured?

asked Jul 3, 2021 at 11:03

0 votes

1 answer

86 views

Why is the noise gain these opamps 500? I feel it should be 250

asked Jul 6, 2021 at 7:10

0 votes

0 answers

52 views

Is there any way to model an equivalent impedance value for an opamp? (not talking about input or output impedance, want a single value impedance)

asked Jul 20, 2021 at 10:53

0 votes

3 answers

408 views

Is using a passive RC high pass filter at the output of an opamp a good method to remove DC offset?

asked Aug 7, 2021 at 5:16

0 votes

4 answers

173 views

Please help me understand the reason for using this 5V battery and 2k resistor at the gate of this MOSFET

asked Aug 9, 2021 at 16:05

0 votes

3 answers

937 views

How is output current of a MOSFET gate driver controlled?

asked Mar 24, 2022 at 11:00

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42 Questions

Need clarification regarding op-amp's ground/ reference and common mode dependence on supply

Why are low values of resistor in non-inverting configuration of opamp causing gain peaking?

Need help with simulation of three-phase rectifier with hysteresis controller

What exactly are IBIS simulation models? Can I use them like a normal simulation component?

Is -3dB bandwidth defined for any type of transfer function?

Why does current noise flow through the parallel combination of R1 and RF in a non-inverting opamp?

Question regarding connecting LISN to a three phase PFC

Why do we talk about system stability as a whole when Barkhausen criteria is valid only for one specific frequency?

Why should an open drain/collector comparator go low when pull up is not connected if it is essentially a floating node?

Why is my op-amp integrator charging up to the DC voltage supplied (instead of the rails)?

Why does current mirror need a diode connected configuration?

How to design EMI filter if you don't have the actual physical circuit ready?

LTspice giving weird results in simulation of phase shifted full bridge converter

Why is my battery showing a huge negative inrush current in my designed charger model?

Why is the Wheatstone bridge configuration almost always used for sensors over a simple voltage divider? [duplicate]

Why is the op-amp not able to amplify this voltage? It's a straight-forward non-inverting configuration with ideal op-amps(LTSpice simulations)

Minimum voltage reference for ADC

Can someone help me understand why exactly high CMRR is so important, particularly in medical instrumentation like ECG?

Can anyone help me in designing this variable frequency colpitt oscillator?

Can someone help me understand why in this datasheet the Vcm vs Vout curve(or the 'diamond curve') is specified for 'all gains'?

Can someone help me make this circuit work?

Can someone explain the dependence of coupling coefficient to inductance value to me? It seems counter intuitive

Does shunt calibration of a sensor also correct for zero error?

Are simulation models for components like ADCs and microcontrollers not available for Proteus?

What should be my sampling frequency for a peak detector output where it is extremely important for me to capture the first time the peak occured?

Why is the noise gain these opamps 500? I feel it should be 250

Is there any way to model an equivalent impedance value for an opamp? (not talking about input or output impedance, want a single value impedance)

Is using a passive RC high pass filter at the output of an opamp a good method to remove DC offset?

Please help me understand the reason for using this 5V battery and 2k resistor at the gate of this MOSFET

How is output current of a MOSFET gate driver controlled?