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    Help in Orcad Layout:While placing components I dont need unnecessary texts

    While trying to place the componets manually in Orcad Layout, when I select a component, there comes a whole load of texts and arrows free with the package. That messes up the whole layout diagram and I need to delete each arrow and text manually. This becomes very tedious. Is there a way to...
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    "PCB Footprint" missing from instance

    This is my first day on PCB design and am working on Cadence orcad version 16.5. I created netlist. .mnl file is created. But i dont see .tch or .brd  ...So i tried to create netlist, and in the PCB editor tab, i did some changes. That gave a long list of errors. All saying the same, "PCB...
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    Average current mode control for boost converter

    Can someone suggest me any literature or book or any material where I can read and understand the very basics of average current mode control for a boost converter. By basic, I mean the purpose of every block, component, every theoretical detail. I need it urgently.
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    Is there something missing in gate driver(IR2117) circuit of a buck converter? h

    This gate driver is for a buck converter. The input to this IC is a nice pulse of frequency 100 KHz of variable duty ratio. I have checked the circuit many times and ensured that no shorting is there. But the output remains 0 volts. The output HO is hanging as well as the output VO is hanging...
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    Confusion on type of capacitor to be used in SG3524.

    While using SG3524, for buck converter, I need to give a feedback to the error amplifier at pin 1. At the output of the error amplifier  (pin 9) I have the Caps and Resistors for compensation. Do the capacitors here need to be ceramic disc capacitors necessarily? Or any specific type of...
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    Help...problem with test circuit of SG3524..with duty ratio.

    This is one of the test circuits given in datasheet of SG3524, with a little modification, mostly insignificant, like changing the value of inductor and using just one BJT instead of 2, as given in datasheet. I am not getting any output there. The expected % volts is not there. The signal out of...
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    Buck converter with SG3524 and IR2117, problem with duty cycle.

    I have to build a buck converter, with variable input from 10 V - !5 V. Use a PI controller to maintain the output at 5 V. I have used SG3524. Now, it is clear that I should be able to attain a pulse width of duty ratio 33% to 50%, exactly speaking. And wider range of duty ratio will be even...
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