Questions tagged [pole-compensation]

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Pole zero cancellation amplifier circuit

I've built the circuit which looks like this: At the input comes pulses from 30 volts biased photodiode. After adding parallel 4.7 nF and 10kΩ for pole zero cancellation everything works fine, in AC ...
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How to find the value of capacitor in a compensated attenuator?

I am learning about compensated attenuators and I do not understand the way that the book suggests to create CF. Is there a link or an image about the way that the book recommends to find the value ...
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Flyback bode plot & type 2 comp

I'm trying to compensate a flyback boost circuit. Unfortunately I seem to be failing to make the gain of the system ever cross 0 dB. I feel like I'm missing something obvious... Like a pole? I'm ...
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4 votes
3 answers
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Understanding on frequency compensation on driving capacitive loads with an op-amp

I am trying to understand an example circuit of frequency compensation on driving capacitive loads with an op-amp from: https://www.allaboutcircuits.com/technical-articles/how-to-drive-large-...
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Understanding Electric Distribution Pole Anatomy

Can you please take a look at these two overhead distribution pole images (US and Canada) and let me know what are the 1,2,3, and 4 wires in each images? Can you also let me know what is main ...
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How does this compensation network work?

By accident I stumbled upon this Linear Technology application note (LT1074/LT1076 Design Manual): https://www.analog.com/media/en/technical-documentation/application-notes/an44fa.pdf Just for fun I ...
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Regarding Miller compensation

Can anybody briefly explain about Miller compensation? What is the need of pole splitting? How does it improve both the unity gain bandwidth and phase margin?
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Understanding type III compensation network for Buck-Boost DC/DC converter

I'm trying to design a circuit based on Linear Technology's LTC3533 Buck-Boost DC/DC Converter for my own project. One of the last things I have left to do is to calculate the feedback loop ...
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Phase Lag Compensator

I have a question on lag compensators in general. Why do they increase both the rise time and the settling time? Is it due to the introduction of a slow pole? Much thanks!
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How is this pole compensated

I have an amplifier in a closed loop, the diagram looks as follows: The DC gain is simple which \$ -Rf/R1 \$. If I make \$ -Rf=2\cdot R1 \$ the the DC gain is two. This is verified using AC analysis ...
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voltage to current converter using op-amp and MOS

I came across voltage to current (V2I) converter circuit. and I found Iout=Vin/R1. I have a few questions about it: I believe the op-amp is in the negative configuration because v(3) & v(2) both ...
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Type-III Compensator design for Half-Bridge DC-DC converter control [closed]

Can anybody guide/share some technical documents which can help me to design type-III compensator for DC-DC Half-bridge?
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How to determine these resistors in 2-pole 2-zero feedback loop compensation

I'm trying to build a 2-pole 2-zero feedback loop compensation for controlling a full bridge dc-dc converter. It's my first time doing this and I'm following the book power supply cookbook. Book is ...
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Does any practical RC circuitry exist which will perfectly cancel out a pole?

Firstly, some basic theory…. The transfer function of a simple low pass filter is:- This transfer function has one pole. The gain goes from 1 to almost zero as frequency increases and the phase goes ...
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What does Dominant pole/Pole mean related to capacitors and filters or Electronics in general for intuitive understanding

I am trying to understand the feedback compensation techniques of DC-DC Buck converters. And I drift to more and more small questions which make me want to understand the basics of poles/zeroes/...
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Negative feedback and op-amp poles

I'm trying to get a better understanding of frequency compensation for op-amps. I'll start off with a very specific questions and then get into the context. For a certain op-amp, open loop gain is ...
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What is causing this long tail in the transient reponse?

I have a fifth order transfer function for which I designed a controller using pole-zero cancellation technique on a root locus. I am targeting \$<5%\$ overshoot and \$<2s\$ settling time. ...
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Pole Zero Cancellation on a Root Locus

Problem Design a controller in the feed-forward path to minimize the effects of the two pairs of dominant poles. Use the pole-zero cancellation technique via the root locus diagram. I have a 5\$^{th}\$...
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-20 db/decade Gain Slope requirement for Stability?

I have been learning Analog Filter designing. I started with Loop Compensation in power supply. I came across a document. It ...
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VFA vs. CFA Compensation Capacitor Comparation

Here, I am referring to voltage-feedback amplifier (VFA) and current-feedback amplifier (CFA). A basic schematic is given below for each. I.) VFA II.) CFA I am curious about the position of ...
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2 answers
917 views

Poles and Zeros of Two Pole Compensation

I am known with the basics of what poles and zeros of transfer function are and how to determine them, but I certainly don't know how to apply such poles and zeros to the gain curve, which describes ...
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2 votes
5 answers
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Understanding of Dominant Pole Compensation

According to Miller Effect, within amplifying devices such as transistors that have inverting voltage gain higher that one, there should be increased input capacitance with increased voltage gain of ...
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