Huan Nguyen

9 Questions 18 Answers 0 Followers

Questions related from Huan Nguyen

Which PWM modulation signal, triangle, sawtooth or ramp?

I am reading the paper "Analysis of Dual-Carrier Modulator for Bidirectional Noninverting Buck–Boost Converter" by Ilan Aharon et al and one question comes up. As you can see from the attached...

12 February 2018 5,172 6 View

Why current source like loads and only this type of loads offer soft-charing operation?

I am studying about soft-charging from the thesis Analysis of soft charging switched capacitor power converters by May, Ryan. Please refer to the attached picture for the description below.As you...

03 September 2017 4,491 5 View

Conditions for applying moving average in converter?

This picture below is part of lecture note from MIT 6.334 Power Electronics course. The link to the lecture is also given below. I am a bit confused about the conditions for moving average of a...

13 January 2017 1,669 4 View

Differential circuit vs differential pair

I am reading a comparison between differential circuit and differential pair in the link below. (page 4). I have just attached the image. I am wondering what is the point of the comparison in the...

05 April 2016 9,237 100 View

Can a mosfet on if Vgs > Vth but no current flows throught it?

I am reading about hysteresis comparator below and wondering if a mosfet can be on if vgs is larger than threshold voltage but there is no current flow through it (vds is zero), As you can see in...

03 April 2016 6,736 7 View

Is it better to use pure feedback without feedforward in boost convert DCM?

For boost converter operating in DCM mode and input voltage varies in a wide range, is it better to use pure feedback without feedforward?

10 March 2016 8,668 4 View

How to adjust pulse width from a given square wave with duty cycle 50%?

I already had a square wave with duty cycle 50%. I use this signal to control ON/OFF of switches in Boost converter. Now I want to modulate the square wave signal by PWM. The control should keep...

06 March 2016 9,525 8 View

When should we use CCM or DCM in boost converter?

In boost converter there are two operation mode such as continuous-conduction mode (CCM) and discontinuous-conduction mode (DCM). However, could anyone explain when we would like to design the...

26 February 2016 4,573 12 View

Any advice on Dickson charge pump stray capacitance?

The picture shown below is about Dickson charge pump from his paper.(On-Chip High-Voltage Generation in Integrated Circuits Using an ImprovedMultiplier Technique).As you can see from the image,...

24 December 2015 4,888 8 View