2005-02-23  Stefan Jahn  <stefan@lkcc.org>

	* microstrip.tex (section{Microstrip tee junction}): Added
	note about displacement interpretations and mentioned
	negative transformer ratios.

	* hbanalysis.tex (subsection{Creating Transadmittance 
	Matrix}): Fixed spelling mistake and CVS conflict.

2005-02-19  Stefan Jahn  <stefan@lkcc.org>

	* grammar-data.tex (section{Qucs dataset grammar}): Added
	a small comment about dataset content.

2005-02-17  Raimund 'Raimi' Jacob  <raimi@lkcc.org>

	* grammar-data.tex: Added grammar for the dataset. Put all
	grammars into one appendix, share the introduction.

2005-02-16  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex: Added Raimund Jacob as author.

	* hbanalysis.tex (subsection{Creating Transadmittance Matrix}): 
	Fixed some typos.

	* grammar-qucs.tex (chapter{Qucs netlist grammar}): Fixed
	comments on each grammer item as required.  Fixed some typos.

	* acnoise.tex (section{The Algorithm}): Added a note about the
	transposed LU decomposed matrix during AC noise analysis.

2005-02-13  Stefan Jahn  <stefan@lkcc.org>
 
	* acnoise.tex (subsection{Noise voltage source}): Documented
	AC noise matrices for noise voltage sources.
 
2005-02-13  Raimund 'Raimi' Jacob  <raimi@lkcc.org>

	* grammar-qucs.tex (chapter{Qucs netlist grammar}): Also finished
	the lexical structure. Re-ordering of the syntax.

2005-02-12  Raimund 'Raimi' Jacob  <raimi@lkcc.org>

	* grammar-qucs.tex (chapter{Qucs netlist grammar}): Begin of some
	documentation of the netlist file. Move this and the bibliography
	into an appendix.

2005-02-05  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex: Updated copyright dates.

	* Makefile.am (PSFILES): Added missing 'MNAnoise*.eps' files.

2004-12-08  Stefan Jahn  <stefan@lkcc.org>

	* coplanar.tex (chapter{Coplanar components}): New file
	containing documentation about coplanar components.  Thanks
	to Vincent.

	* technical.tex: Added copyright for Vincent.

	* transient.tex (subsection{MOS Gate Capacitances}): Added
	section about integration of the Meyer MOS capacitances.

2004-11-23  Stefan Jahn  <stefan@lkcc.org>

	* qucsconv.1: Added --noaction (or -a) help text.

	* qucsator.1: Added --check (or -c) help text.

	* dcanalysis.tex (subsection{Operational amplifier}): Also
	documented how non-linear DC analysis of the operational
	amplifier works.

2004-11-03  Stefan Jahn  <stefan@lkcc.org>

	* qucsconv.1: New man page for the netlist converter.

2004-11-01  Stefan Jahn  <stefan@lkcc.org>

	* microstrip.tex (section{Microstrip via hole}): Added small
	figure for microstrip via hole.

	* transient.tex (subsubsection{Minimal derivative Gmin
	stepping}): Finished section about continuation schemes.

2004-10-29  Stefan Jahn  <stefan@lkcc.org>

	* Makefile.am (EXTRA_DIST): Decided to remove the postscript
	technical documentation from the release tarball.

	* technical.tex: Added hyperref package for PDF output.

2004-10-26  Stefan Jahn  <stefan@lkcc.org>

	* transient.tex (section{Convergence}): Wrote something about
	limiting and continuation schemes for convergence improvements.

2004-10-25  Stefan Jahn  <stefan@lkcc.org>

	* transient.tex (section{Convergence}): Started to document
	convergence issues in transient analysis.

	* microstrip.tex (section{Microstrip via hole}): Documented
	microstrip via hole equations.

2004-10-23  Stefan Jahn  <stefan@lkcc.org>

	* devices.tex (section{MOS Field-Effect Transistor}): Fixed
	unit of transconductance parameter.

2004-10-19  Stefan Jahn  <stefan@lkcc.org>

	* literature.bib: Two new references added.

2004-10-17  Stefan Jahn  <stefan@lkcc.org>

	* transient.tex (subsection{Diffusion Capacitance}): Scribbled
	down charge and capacitance of the usual depletion and diffusion
	capacitance.

2004-10-16  Stefan Jahn  <stefan@lkcc.org>

	* *.tex: Added copyright notice in all LaTex files.

2004-10-08  Stefan Jahn  <stefan@lkcc.org>

	* dcanalysis.tex (subsection{Symmetrical transformer}): Fixed
	DC equations of the symmetrical transformer in documentation.

	* transient.tex (subsection{Order and local truncation error}): 
	Scribbled down the error constants for explicit Gear method.

	* stabgearex.m: New file computing order, steps, error constants
	and stability regions of explicit Gear formulae.

2004-10-01  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Properties of numerical integration
	methods}): Added introduction to mathematical terms.
	(section{Predictor-corrector methods}): Started to document
	the predictor-corrector methods.

	* stabbashford.m, stabmoulton.m: Additionally displaying the
	error coefficients of each integration order.

2004-09-29  Stefan Jahn  <stefan@lkcc.org>

	* Makefile.am (dist_man_MANS): Added simple man page.

2004-09-26  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Controlled sources}): Documented
	the MNA matrix entries of various AC components.

2004-09-25  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Depletion Capacitance}):
	Documented handling of depletion and diffusion capacitances
	during transient analysis.
	(subsection{Transmission line}): Fixed Y-parameters of
	lossless transmission line.

2004-09-22  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Stability considerations}):
	Finished section about stability of integration methods.

2004-09-20  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Stability considerations}): Checked
	zero-stability and absolute stability ranges for Adams-Moulton,
	Adams-Bashford and Gear.  Visualized these in three new plots
	and included them into documentation.

2004-09-19  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Inductor}): Small section
	about the accompanied inductor model for transient analysis
	added.

	* technical.tex (subsubsection{Adams-Bashford}): Documented
	Adams-Bashford and Adams-Moulton integration formulas.

2004-09-14  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Capacitor}): Some more
	documentation about integration methods added.

2004-09-13  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (chapter{Transient Analysis}): Started to
	document transient analysis.

2004-09-10  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Schneider}): Documented
	dispersion models of single microstrip by M.V. Schneider.

2004-09-09  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Schneider}): Documented
	all the M.V. Schneider formulae.

	* mszl.m: Plotting Hammerstad instead of Wheeler.

2004-09-08  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Kirschning and Jansen}):
	Documented dispersion of characteristic impedance of single
	microstrip line acording to Kirschning.
	(subsubsection{Kirschning and Jansen}): Filled the missing
	paper references for coupled microstrips.

2004-09-07  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (chapter{AC Analysis}): Started to document
	the AC simulation and components.

	* literature.bib: Completed the 'local' entries for IEEE
	publications.

2004-09-06  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Forming the noise current
	correlation matrix}): Fixed the example figure for the
	noise correlation matrix.

2004-09-03  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Pramanick and Bhartia}):
	Documented dispersion model of characteristic impedance by
	Pramanick.

2004-09-02  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Hammerstad and Jensen}): Fixed
	descriptions and formulas of parallel coupled microstrip lines.

2004-08-22  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Edwards and Owens}): Documented
	a few more dispersion formulas for microstrip.

2004-08-20  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{S-parameter container with 
	additional reference port}): Documented 'spfile' class
	implementations.
	(subsubsection{Hammerstad and Jensen}): Documented Getsinger's
	dispersion formulas for coupled microstrips.

2004-08-19  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Hammerstad and Jensen}):
	Documented coupled microstrip model by Hammerstad and Jensen and
	transmission line losses of coupled lines.

2004-08-17  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section{Microstrip open}): Revisited
	microstrip open, step, corner and gap documentation.

2004-08-16  Stefan Jahn  <jahn@mwt.ee.tu-berlin.de>

	* technical.tex (subsection{Small signal model}): Documented
	excess phase parameter of BJT model.

2004-08-15  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Jacobi method}): Documented
	Schmidt and v.Mises convergence criteria.

2004-08-14  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Noise model}): Documented
	small signal and noise model of the MOSFET device.

2004-08-12  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Gauss-Seidel method}): Documented
	Gauss-Seidel and Jacobi methods for solving linear equation
	systems (both iterative methods).
	(subsection{Convergence}): Made some additional remarks about
	convergence helpers.

2004-08-07  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Physical model}): Completed the
	documentation about the large signal and physical model of
	the MOSFET level 1.

2004-08-05  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section{MOS Field-Effect Transistor}): 
	Started to document the MOSFET model.

2004-08-03  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Large signal model}): Fixed bug
	in Id model of junction FET.  Replaced the O of O. Jensen to
	the norwegian {\O}.

2004-08-01  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Mixed Two-Port matrix
	conversions}): Added the formulas for G to S and S to G
	transformations.
	(section{PN-Junction Diode}): Documented new model parameters
	'Fc', 'Cp', 'Isr' and 'Nr'.

2004-07-31  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Gauss-Jordan method}): Documented
	Gauss-Jordan method for solving linear equation systems.
	(subsection{Diode}): Fixed equations for noise.

2004-07-28  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Two-Port parameters
	of passive devices}): New subsection about standard passive
	circuit topologies and their matrix representations.
	(subsection{Noise model}): Documented noise model of diode
	and SGP model of BJT.

2004-07-27  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Noise model}): Documented noise
	model of junction FET.
	(section{Noise Correlation Matrix Transformations}): How
	noise correlation matrix conversions work.

2004-07-21  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex: Changed some latex statements for better
	readablity.

2004-07-18  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Strip thickness correction}):
	Added a section about the strip thickness effects on quasi-
	static characteristics of a microstrip line.

2004-07-17  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{S-parameter of the single
	microstrip line}): Added this section documenting the 
	calculation of the microstrip line S-parameters.

2004-07-16  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section{Dispersion}): Added some comments
	about the various dispersion models of microstrip.

	* mscomparezl.m: Using Hammerstad and Jensen as reference
	when comparing quasi-static impedances of microstrip.

2004-07-11  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Small signal model}): Documented
	the SGP small signal model.

2004-07-10  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Large signal model}): Documented
	the SGP large signal model properly.

2004-07-06  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section{Noise Wave Correlation Matrix in 
	CAE}): Fixed two of the formulas for noise correlation matrix
	elements.

2004-07-03  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Mixed Two-Port matrix 
	conversions}): Added S to H and its reverse transformation.
	(subsubsection{Two-Port matrix conversion based on current 
	and voltage}): Scribbled down the five different matrix forms.

2004-07-02  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsubsection{Two-Port matrix 
	conversion based on current and voltage}): Added some more
	twoport theory.

2004-07-01  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Two-Port transformations}): 
	Documented some twoport matrix transformations.

2004-06-30  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{S-parameters in CAE programs}): 
	Documented use of signal flow graphs and the nontouching-loop
	rule for solving them.

2004-06-27  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Operational amplifier}): Added
	a note about OPAMP feedback impedance.

2004-02-07  Michael Margraf <michael.margraf@alumni.tu-berlin.de>

	* added some noise formulas
	* added description for phase shifter DC model

2004-06-22  Stefan Jahn  <stefan@lkcc.org>

	* radius.m, mszl.m, mscomparezl.m: Using the epstk for 
	producing eps files.

2004-06-19  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section{Junction FET}): Documented modelling
	the junction capacitances of JFET diodes.
	(subsection{Convergence}): Documented a convergence problem 
	solution.

2004-06-10  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section{Junction FET}): Scribbled down 
	S-parameters of junction FET and added the small signal 
	equivalent circuit.

2004-06-09  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section{PN-Junction Diode}): Documented large
	and small signal parameters of pn-junction diode.

2004-06-06  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section{Junction FET}): Started to document
	Shichman-Hodges equations and derivatives fo JFET model.

2004-06-03  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section{Non-linear DC Analysis}): Started to
	document non-linear DC analysis using Newton-Raphson.

2004-05-21  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{A comparison}): Added a table 
	comparing algorithms for solving equation systems.

2004-05-20  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection{Gaussian elimination}): Documented
	the Gaussian eliminiation algorithm for solving linear
	equations systems.
	(subsection{LU decomposition}): Documented Crout's LU
	decomposition.

	* literature.bib: Added some more IEEE papers and books.

2004-05-16  Stefan Jahn  <stefan@lkcc.org>

	* Makefile.am (MATHFILES): New files added.  Octave is now
	needed in order to rebuild the documentation.

2004-05-12  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (chapter{Microstrip components}): New 
	chapter.  Started to document microstrip models.

	* msline.fig: New figure.

2004-05-09  Stefan Jahn  <stefan@lkcc.org>

	* literature.bib: Added some microstrip related IEEE sources.

2004-04-28  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section{Matrix conversions}): Documented
	matrix conversion algorithms.

2004-02-18  Stefan Jahn  <stefan@lkcc.org>

	* literature.bib: Added reference for natural constants.

2004-02-15  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section*{Solving linear equation systems}): 
	Started writing a section about solving linear equations
	systems.
	(subsection*{Gyrator}): Fixed description of gyrators MNA
	matrix represention.

2004-02-10  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex: Fixed descriptions of MNA stamps of operational
	amplifier, ccvs, cccs, vccs and vcvs.

2004-02-07  Michael Margraf <michael.margraf@alumni.tu-berlin.de>

	* technical.tex: Add noise correlation matrix for
	noise sources and diode.

2004-02-05  Stefan Jahn  <jahn@mwt.ee.tu-berlin.de>

	* technical.tex: Added a simple example to the MNA 
	documentation.

2004-02-04  Stefan Jahn  <jahn@mwt.ee.tu-berlin.de>

	* technical.tex (section*{Modified Nodal Analysis}): Wrote
	documentation about basic idea of MNA.

2004-01-31  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection*{Symmetrical transformer}): Added
	figures for symmetrical trafo and normal two winding trafo.  
	Documented MNA entries for symmetrical transformer.  Switched
	over to IEEtran bibliography style.
	
2004-01-30  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (subsection*{Transformer}): Documented
	DC simulation of ideal transformer.

2004-01-29  Stefan Jahn  <stefan@lkcc.org>

	* Makefile.am: Added rules for bibliography creation.

	* technical.tex (subsection*{Current controlled voltage source}): 
	Added description of CCVS for use in DC analysis.
	Added figures for VCCS, VCVS, CCVS and CCCS.  Added bibliography.

2004-01-28  Stefan Jahn  <stefan@lkcc.org>

	* technical.tex (section*{Extensions to the MNA}): Documented
	VCCS, VCVS and CCCS for use in DC analysis.

2003-12-26  Stefan Jahn  <stefan@lkcc.org>

	* Makefile.am (CLEANFILES): Updated clean files.
