Frequency Response
[115] Swept Transient Frequency Response for the LLC Converter
Part III: Swept loops in LTspice® can be used for the LLC converter where no small-signal model exists.
[114] Transient Loop Sweeps Outperform Small-Signal Models
Part II: Swept loops in LTspice® provide more accurate and useful results than small-signal models.
[A01] Frequency Response Measurement
Frequency response measurements for a wide range of applications.
[082] Sepic Converter Measurements - Part III Current-Mode Design
Measuring the Sepic converter control transfer function with current-mode control.
[081] Sepic Converter Measurements - Part II Coupled Inductor Design
Control measurements for the Sepic converter with coupled inductors.
[079] Input Impedance Interaction for Board-Mount Boost Converter
How the point-of-load boost converter control characteristics interact strongly with the input capacitor.
[080] Sepic Converter Measurement - Part I Control Transfer Function
Control measurements for the Sepic converter.
[078] Loop Bode Plots and Nyquist Diagrams
Why Nyquist diagrams are not a very practical measurement.
[077] Interpreting Loop Gain Measurements
How to read the critical regions of a loop gain and phase measurement.
[063] Why You Only Need One Injection Isolator
Why only one injection isolator is needed for all measurements.
[062] Input Impedance Measurements and Filter Interactions Part III
What happens when the input filter is poorly designed.
[061] Input Impedance Measurements and Filter Interactions Part II
Measuring input filter output impedance.
[060] Input Impedance Measurements and Filter Interactions Part I
The proper place to apply Middlebrook's stability criteria for input filters.
[059] Input Impedance Measurements and Loop Gains
The relationship between loop gain and input impedance
[058] Audiosusceptibility Measurements and Loop Gains
The relationship between loop gain and audiosusceptibility PSRR
[057] Output Impedance Measurements and Loop Gains
The relationship between loop gain and output impedance
[056] Manual Frequency Response Measurements for Magnetics - Part II
How to improve manual impedance measurements with a good signal source.
[055] Manual Frequency Response Measurements for Magnetics - Part I
How to measure your magnetics properly with a minimum of test equipment.
[051] Forward Converter Design - Part XVII Loop Design and Measurement
Loop design and measurement for the five-output forward converter.
[050] Forward Converter Design - Part XVI Control Modeling
Control predictions and measurement of the five-output forward converter.
