An Easy Explanation of Subharmonic Oscillations & Slope Compensation in Current Mode Power Supplies

In this video, Dr Seyed Ali Shirsavar from Biricha Digital explains what subharmonic oscillations are, why they happen and how we fix the problem using slope compensation. As always, we have tried to keep all the explanations, clear, concise and easy understand. You can download a more detailed presentation from here: https://biricha.com/articles/psudf-su...

Watch Real Subharmonic Oscillations on the Oscilloscope and their Impact on the Bode Plot
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Watch Real Subharmonic Oscillations on the Oscilloscope and their Impact on the Bode Plot

Mixing ceramic and electrolytic capacitors on the output of power supplies
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Mixing ceramic and electrolytic capacitors on the output of power supplies

Lecture 27: Current-Mode Control
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Lecture 27: Current-Mode Control

Lecture 01: Current mode control, Slope compensation, Buck converter, Sub-harmonic oscillation, CSN
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Lecture 01: Current mode control, Slope compensation, Buck converter, Sub-harmonic oscillation, CSN

Why an Electron Never Runs Out of Energy — The Mind Blowing Explanation
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Why an Electron Never Runs Out of Energy — The Mind Blowing Explanation

What Happens if You Add too Much Compensating Ramp? Part 1: Current Mode Can Act Like Voltage Mode!
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What Happens if You Add too Much Compensating Ramp? Part 1: Current Mode Can Act Like Voltage Mode!

Input Capacitor Selection for Power Supplies (Part 1)
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Input Capacitor Selection for Power Supplies (Part 1)

Lec 41 Slope compensation for current control
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Lec 41 Slope compensation for current control

Easy to Follow Voltage Mode vs Current Mode vs Voltage Mode + Voltage Feedforward Control Methods
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Easy to Follow Voltage Mode vs Current Mode vs Voltage Mode + Voltage Feedforward Control Methods

Digital Average Current Mode Control of Switch-Mode Power Supplies
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Digital Average Current Mode Control of Switch-Mode Power Supplies

CHOSEN ONE! SOMEONE IN A SUIT JUST ASKED "WHO TRAINED THEM?" ...NOBODY DID. THAT'S THE MYSTERY
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CHOSEN ONE! SOMEONE IN A SUIT JUST ASKED "WHO TRAINED THEM?" ...NOBODY DID. THAT'S THE MYSTERY

Snubber Design
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Snubber Design

How to Characterize Crystal Parameters Using a Vector Network Analyzer (VNA)
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How to Characterize Crystal Parameters Using a Vector Network Analyzer (VNA)

Why Switch Mode Power Supplies Are Noisy (Explained Simply)
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Why Switch Mode Power Supplies Are Noisy (Explained Simply)

LISNs Explained in Simple Terms: What Is the Job of a LISN & Why Do We Need it for EMC Testing
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LISNs Explained in Simple Terms: What Is the Job of a LISN & Why Do We Need it for EMC Testing

Input Capacitor Selection for Power Supplies (Part 2 - Ceramics)
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Input Capacitor Selection for Power Supplies (Part 2 - Ceramics)

#136: What is a dB, dBm, dBu, dBc, etc. on a Spectrum Analyzer?
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#136: What is a dB, dBm, dBu, dBc, etc. on a Spectrum Analyzer?

Basics of  PWM Converters Controller Design. Part III. Peak Current Mode (PCM)
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Basics of PWM Converters Controller Design. Part III. Peak Current Mode (PCM)

Switching Power Supply PCB Layout Seminar
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Switching Power Supply PCB Layout Seminar

Step-by-step Snubber and Clamp Design for Power Supplies
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Step-by-step Snubber and Clamp Design for Power Supplies