User needbrainscratched

5 votes

1 answer

224 views

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

asked Feb 10 at 11:35

5 votes

2 answers

148 views

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

operational-amplifier resistors frequency-response non-inverting ringing

asked Jul 4, 2021 at 8:29

3 votes

4 answers

491 views

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

simulation spice ibis

asked Jul 2, 2021 at 15:04

3 votes

4 answers

888 views

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

filter bandwidth bode-plot gain-bandwidth-product

asked Jul 5, 2021 at 14:32

2 votes

1 answer

126 views

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

operational-amplifier noise current-source non-inverting noise-spectral-density

asked Jun 29, 2021 at 16:02

2 votes

1 answer

125 views

Question regarding connecting LISN to a three phase PFC

switch-mode-power-supply power-electronics three-phase emi-filtering power-factor-correction

asked Mar 31 at 14:41

1 vote

4 answers

971 views

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

power-supply battery-charging power-electronics emi-filtering simulink

asked Mar 27 at 22:13

1 vote

1 answer

93 views

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

power-electronics dc-dc-converter ltspice simulation simulink

asked Apr 2 at 15:08

1 vote

1 answer

101 views

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

power-electronics dc-dc-converter charger inrush-current simulink

asked Mar 20 at 20:14

1 vote

1 answer

98 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)

operational-amplifier ltspice simulation non-inverting ideal

asked Jun 21, 2021 at 13:05

1 vote

1 answer

116 views

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

operational-amplifier circuit-analysis integrator miller-integrator

asked Jun 24, 2021 at 6:33

0 votes

1 answer

152 views

Minimum voltage reference for ADC

adc signal-processing voltage-reference data-acquisition signal-conversion

asked Jun 23, 2021 at 9:15

0 votes

1 answer

126 views

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

operational-amplifier instrumentation-amplifier ecg cmrr

asked Jun 9, 2021 at 20:34

0 votes

1 answer

89 views

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

voltage sensor instrumentation-amplifier wheatstone-bridge instrumentation

asked Jun 10, 2021 at 7:16

0 votes

2 answers

184 views

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

oscillator varactor varicap

asked Jun 12, 2021 at 13:01

0 votes

1 answer

50 views

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

datasheet instrumentation-amplifier common-mode

asked Jun 14, 2021 at 19:19

0 votes

1 answer

210 views

Can someone help me make this circuit work?

bjt oscillator ltspice resonance tank

asked Jun 16, 2021 at 12:47

0 votes

1 answer

74 views

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

inductor inductive coupling mutual-inductance

asked Jun 18, 2021 at 18:41

0 votes

2 answers

44 views

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

sensor measurement load-cell calibration strain-gage

asked Jun 20, 2021 at 18:20

0 votes

0 answers

31 views

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

pcb-design adc simulation proteus library

asked Jul 2, 2021 at 6:37

0 votes

1 answer

40 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?

adc frequency sampling fft

asked Jul 3, 2021 at 11:03

0 votes

1 answer

77 views

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

operational-amplifier instrumentation-amplifier bode-plot cutoff-frequency gain-bandwidth-product

asked Jul 6, 2021 at 7:10

0 votes

0 answers

47 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)

operational-amplifier circuit-analysis circuit-design

asked Jul 20, 2021 at 10:53

0 votes

3 answers

131 views

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

operational-amplifier circuit-design high-pass-filter dc-offset

asked Aug 7, 2021 at 5:16

0 votes

4 answers

147 views

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

mosfet circuit-analysis amplifier mosfet-driver comparator

asked Aug 9, 2021 at 16:05

0 votes

0 answers

22 views

Are three-phase bridgeless boost, three-phase totem pole and active 6 switch rectifiers different names of the same topology?

power-electronics rectifier three-phase power-factor-correction totem-pole

asked Oct 7, 2021 at 10:43

0 votes

3 answers

104 views

How is output current of a MOSFET gate driver controlled?

mosfet power-electronics opto-isolator mosfet-driver gate-driving

asked Mar 24 at 11:00

0 votes

1 answer

121 views

Please help me clear up this confusion regarding gain margin and phase margin and unity feedback

transfer-function stability bode-plot phase-margin control-loop

asked Jul 5, 2021 at 13:13

0 votes

2 answers

107 views

Is it appropriate to model a DC/DC converter as a variable resistance if I have input voltage and current datapoints?

power-electronics dc-dc-converter simulation rectifier simulink

asked Mar 1 at 16:25

0 votes

0 answers

57 views

How can I accurately and quickly simulate this 280Ah battery charger circuit with a real-time charging time of over 2 hour?

battery-charging power-electronics dc-dc-converter power-factor-correction simulink

asked Mar 5 at 17:13

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36 Questions

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

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

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

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

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

Minimum voltage reference for ADC

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

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

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

Are three-phase bridgeless boost, three-phase totem pole and active 6 switch rectifiers different names of the same topology?

How is output current of a MOSFET gate driver controlled?

Please help me clear up this confusion regarding gain margin and phase margin and unity feedback

Is it appropriate to model a DC/DC converter as a variable resistance if I have input voltage and current datapoints?

How can I accurately and quickly simulate this 280Ah battery charger circuit with a real-time charging time of over 2 hour?