User WeTech

4 votes

1 answer

421 views

How is this "current sense resistor" selected?

asked Sep 7, 2021 at 9:55

4 votes

1 answer

159 views

Which frequency should be considered for inductor design in this FOT (fixed on time) PFC?

transformer switch-mode-power-supply inductor power-factor-correction ferrite

asked Feb 13 at 6:46

3 votes

3 answers

947 views

What does "leading-edge blanking" do exactly?

integrated-circuit switch-mode-power-supply mosfet-driver power-factor-correction

asked Sep 7, 2021 at 9:15

3 votes

1 answer

44 views

How to have a wider spectrum of FFT at LTspice?

noise ltspice emc common-mode fft

asked Jul 21 at 14:10

3 votes

2 answers

273 views

How does this modulation cause sidebands?

emc modulation fourier emi-filtering amplitude-modulation

asked Jun 23 at 15:57

2 votes

1 answer

69 views

implementing dot convention

transformer switch-mode-power-supply inductor power-factor-correction winding

asked Jun 10 at 21:56

2 votes

1 answer

180 views

What are the differences between these ferrite cores?

transformer switch-mode-power-supply inductor magnetics ferrite

asked Jun 15 at 12:21

2 votes

1 answer

206 views

What is the correct approach to simulate a predesigned circuit?

switch-mode-power-supply ltspice mosfet-driver pspice power-factor-correction

asked Aug 6, 2021 at 9:29

2 votes

2 answers

229 views

What's the difference between the D and DTR parts?

integrated-circuit switch-mode-power-supply driver power-factor-correction

asked Jul 30, 2021 at 11:17

2 votes

0 answers

139 views

What is the name of this huge high-power test equipment?

identification high-voltage test-equipment high-power

asked Feb 26 at 6:39

2 votes

0 answers

170 views

Why are there two different .subckt for an IC model I've downloaded?

ltspice pspice

asked Oct 4, 2021 at 14:33

1 vote

3 answers

215 views

Multiple schematics in LTspice

ltspice

asked Nov 4, 2021 at 5:47

1 vote

1 answer

246 views

voltage-controlled switches "SW" in LTspice

ltspice spice

asked Sep 22, 2021 at 14:35

1 vote

2 answers

88 views

Negative hysteresis mode of "SW" in LTspice

ltspice spice

asked Sep 23, 2021 at 11:31

1 vote

1 answer

135 views

Why did the CS resistor explode in this circuit?

switch-mode-power-supply dc-dc-converter boost power-factor-correction

asked Apr 21 at 18:48

1 vote

2 answers

97 views

input parallel capacitors for rectifier in flyback

capacitor parallel flyback input

asked Jun 3, 2021 at 14:16

1 vote

2 answers

452 views

Different levels of SPICE models

switch-mode-power-supply ltspice spice modeling power-factor-correction

asked Aug 31, 2021 at 15:21

1 vote

0 answers

47 views

Can I connect low-power resistors to achieve a high-power resistive load?

resistors switch-mode-power-supply resistance load test-equipment

asked Apr 15 at 15:46

1 vote

2 answers

75 views

How critical is the sense resistor?

switch-mode-power-supply power-factor-correction current-sensing

asked Jun 10 at 22:39

0 votes

2 answers

60 views

Using fuse during initial tests?

switch-mode-power-supply fuses testing power-factor-correction

asked Jun 14 at 15:57

0 votes

1 answer

107 views

Can VCC be supplied by external power supply?

microcontroller switch-mode-power-supply power-factor-correction vcc

asked Jun 14 at 16:59

0 votes

2 answers

59 views

EMI analysis for low power low voltage AC/DC

noise emc emi-filtering common-mode power-factor-correction

asked Apr 20 at 16:06

0 votes

1 answer

68 views

Is there any problem to test the following topology without load?

switch-mode-power-supply boost converter power-factor-correction

asked Apr 21 at 10:49

0 votes

1 answer

47 views

determining the Bmax for inductor design

switch-mode-power-supply inductor power-factor-correction magnetic-flux ferrite

asked Jun 17 at 13:48

0 votes

1 answer

53 views

Use wirewound resistor as load

resistors switch-mode-power-supply components load watts

asked Jun 29 at 19:47

0 votes

1 answer

36 views

DM and CM EMI emissions measurement in LTspice

noise ltspice emc common-mode common-emitter

asked Jul 22 at 7:16

0 votes

0 answers

32 views

DM EMI filter components calculations

noise emc passive-filter emi-filtering common-mode

asked Jul 24 at 12:09

0 votes

1 answer

23 views

What is the dimension of Attenuation in the LC-EMI filter design formula?

filter noise low-pass passive-filter emi-filtering

asked Jul 27 at 7:46

0 votes

1 answer

67 views

What is the name of this HV test measuring setup?

high-voltage measurement test-equipment high-power

asked Jul 27 at 16:03

0 votes

1 answer

68 views

Identifying the manufacturer and specifications of W06M bridge rectifier

identification components bridge-rectifier

asked Aug 21, 2021 at 14:25

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55 Questions

How is this "current sense resistor" selected?

Which frequency should be considered for inductor design in this FOT (fixed on time) PFC?

What does "leading-edge blanking" do exactly?

How to have a wider spectrum of FFT at LTspice?

How does this modulation cause sidebands?

implementing dot convention

What are the differences between these ferrite cores?

What is the correct approach to simulate a predesigned circuit?

What's the difference between the D and DTR parts?

What is the name of this huge high-power test equipment?

Why are there two different .subckt for an IC model I've downloaded?

Multiple schematics in LTspice

voltage-controlled switches "SW" in LTspice

Negative hysteresis mode of "SW" in LTspice

Why did the CS resistor explode in this circuit?

input parallel capacitors for rectifier in flyback

Different levels of SPICE models

Can I connect low-power resistors to achieve a high-power resistive load?

How critical is the sense resistor?

Using fuse during initial tests?

Can VCC be supplied by external power supply?

EMI analysis for low power low voltage AC/DC

Is there any problem to test the following topology without load?

determining the Bmax for inductor design

Use wirewound resistor as load

DM and CM EMI emissions measurement in LTspice

DM EMI filter components calculations

What is the dimension of Attenuation in the LC-EMI filter design formula?

What is the name of this HV test measuring setup?

Identifying the manufacturer and specifications of W06M bridge rectifier