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	<id>http://ltwiki.org/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Adrian+Immler</id>
	<title>LTwiki-Wiki for LTspice - User contributions [en]</title>
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	<updated>2026-08-21T12:28:29Z</updated>
	<subtitle>User contributions</subtitle>
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		<id>http://ltwiki.org/index.php?title=SPICE_Application_Notes_and_White_Papers&amp;diff=1872</id>
		<title>SPICE Application Notes and White Papers</title>
		<link rel="alternate" type="text/html" href="http://ltwiki.org/index.php?title=SPICE_Application_Notes_and_White_Papers&amp;diff=1872"/>
		<updated>2018-10-24T16:10:17Z</updated>

		<summary type="html">&lt;p&gt;Adrian Immler: new link added to a white paper &amp;quot;Best of history&amp;#039;s vacuum tube describing art merged to new spice models&amp;quot;&lt;/p&gt;
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&lt;div&gt;* [http://www.beigebag.com/case_ndle_1.htm Differential equations and mechanics with LTspice]&lt;br /&gt;
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* [http://www.intusoft.com/articles/converg.pdf Solving SPICE Convergence Problems from Intusoft]&lt;br /&gt;
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* [http://www.ieee802.org/3/bladesg/public/channel_adhoc/boyd_01_0504.pdf Convert 2 port S-parameters into 4 port S-parameters]&lt;br /&gt;
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* [http://ltwiki.org/files/modelling_diodes_spice_10.pdf How to Quickly Obtain Spice Parameters for Diodes]&lt;br /&gt;
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* [https://sites.google.com/site/rstevescott/home/advanced-diode-recovery-model  Advanced diode Recovery Model]&lt;br /&gt;
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* [http://www.normankoren.com/Audio/Tubemodspice_article.html Improved vacuum tube models for SPICE]&lt;br /&gt;
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* [http://adrianimmler.simplesite.com/440956786 Best of history&amp;#039;s vacuum tube describing art merged to new spice models]&lt;br /&gt;
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* [http://en.wikipedia.org/wiki/Leakage_inductance Leakage Inductance from Wikipedia]&amp;lt;br&amp;gt;&lt;br /&gt;
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* [http://www.ecircuitcenter.com/Circuits/vc_resistor1/vc_resistor1.htm Modeling a voltage controlled resistor]&amp;lt;br&amp;gt;&lt;br /&gt;
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* [http://ltwiki.org/files/microsim_appnts.pdf Microsim Application Notes]&lt;br /&gt;
:Over 300 pages of SPICE modeling information.&lt;br /&gt;
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* [http://www.eecs.berkeley.edu/Pubs/TechRpts/1975/9602.html SPICE2: A Computer Program to Simulate Semiconductor Circuits Lawrence Nagel thesis 1975]&amp;amp;nbsp;[http://www.eecs.berkeley.edu/Pubs/TechRpts/1975/ERL-520.pdf PDF link]  &amp;lt;br&amp;gt;&lt;br /&gt;
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* [[File:Modeling Transmission Lines.pdf]]&lt;br /&gt;
:Modeling and Simulation of Nonlinear Transmission Lines &lt;br /&gt;
 &lt;br /&gt;
* [http://www.allaboutcircuits.com/vol_3/chpt_3/14.html SPICE modeling for diodes from allaboutcircuits.com]&lt;br /&gt;
:Should be taken with a grain of salt, because allaboutcircutis prefers to use electron flow current direction as opposite to the whole industry, which has settled on conventional current direction.&lt;br /&gt;
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* [http://ltwiki.org/files/SPICEdiodeModel.pdf The SPICE diode model]&amp;lt;br&amp;gt;&lt;br /&gt;
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* [http://www.introni.it/pdf/Motorola%20-%20Rectifier%20Applications%20Handbook.pdf Motorola - On Semi Rectifier Applications Handbook (includes cleaner copy of SPICE Diode Model above in Ch. 3)]&amp;lt;br&amp;gt;&lt;br /&gt;
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* [http://www.w0qe.com/Projects/crystal_bandpass_filters.html SPICE modeling for crystals **WITH LTspice file**]&lt;br /&gt;
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* [http://tonnesoftware.com/appnotes/demodulator/EnvelopeDemodulators.pdf Envelope Demodulators with LTspice examples]&lt;br /&gt;
&lt;br /&gt;
== Power Electronics ==&lt;br /&gt;
* [http://www.denverpels.org/Downloads/Denver_PELS_20070410_Hesterman_Magnetic_Coupling.pdf Analysis and Modeling of Magnetic Coupling]&lt;br /&gt;
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* [http://www.telepower.com.au/INT94c.PDF Battery Model for Lead Acid Batteries]&lt;br /&gt;
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* [http://coefs.uncc.edu/mnoras/files/2013/03/Transformer-and-Inductor-Design-Handbook_Chapter_17.pdf Transformer and Inductor Design Handbook Chapter 17]&lt;br /&gt;
&lt;br /&gt;
* [http://www.spectrum-soft.com/news/spring2007/battery.shtm Lead Acid Battery Macro - Spectrum.]&lt;br /&gt;
:This model was derived from the articles &amp;quot;Simple PSpice models let you simulate common battery types&amp;quot; in the October 28, 1993 issue of EDN and &amp;quot;PSpice models nickel-metal-hydride cells&amp;quot; in the February 15, 1996 EDN Design Ideas Supplement. Both articles were written by Steven Hageman.&lt;br /&gt;
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* [http://ltwiki.org/files/impedance-electrolytic_white_paper.pdf Improved Spice Models of Aluminum Electrolytic Capacitors for Inverter Applications]&lt;br /&gt;
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* [http://www.electronicproducts.com/Software/EDA_Software_and_Hardware/Simulate_adaptive_switching_regulators_using_PSpice.aspx Simulate adaptive switching regulators using PSpice]&lt;br /&gt;
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* [http://www.scribd.com/doc/48854820/15/A-Spice-Model-For-TRIACs Spice Model for TRIACs]&lt;br /&gt;
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* [http://www.intusoft.com/lit/psbook.zip Power Specialist&amp;#039;s App Notebook from Intuisoft]&lt;br /&gt;
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* [http://ltwiki.org/files/Sepic_Converter_LM3478_Design.pdf Designing a (Single Ended Primary Inductance Converter) SEPIC Converter AN-1484.pdf]&lt;br /&gt;
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* [http://www.ecircuitcenter.com/Circuits/dc_motor_model/DCmotor_model.htm Model a Motor]&lt;br /&gt;
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* [http://www.ti.com/lit/ml/slup200/slup200.pdf How to Design a Transformer with Fractional Turns]&lt;br /&gt;
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* [http://www.vk1od.net/balun/concept/tt.htm Counting Turns on a Toroid Core]&lt;br /&gt;
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* [http://sites.ieee.org/seattle-pel/files/2010/02/X-Converter2.pdf X-Converter - a SMPS topology]   [http://ltwiki.org/files/LTspiceIV/examples/LtSpicePlus/Smps/Ltc/X1-rs.asc LTspice file]&lt;br /&gt;
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* [https://sites.google.com/site/rstevescott/home/Averaged-PWM-Models SPICE-based Averaged PWM Models] (proposing &amp;#039;simplified yet also incorporate improved accuracy and many new features.&amp;#039;)  &lt;br /&gt;
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* [https://sites.google.com/site/rstevescott/home/Averaged-PWM-Models/nonlinear-switch-models  Nonlinear Switch Models]  &lt;br /&gt;
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* [https://sites.google.com/site/rstevescott/home/power-mosfet-capacitance-models Power MOSFET Capacitance and Transient Models] &lt;br /&gt;
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* [https://sites.google.com/site/rstevescott/home/advanced-diode-recovery-model Advanced Diode Recovery Model] &lt;br /&gt;
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		<author><name>Adrian Immler</name></author>
		
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