From: <Saved by Windows Internet Explorer 8>
Subject: =?Windows-1252?Q?Halbbr=FCckengegentaktwandler?=
Date: Thu, 7 Apr 2011 20:08:51 -0700
MIME-Version: 1.0
Content-Type: multipart/related;
	type="multipart/alternative";
	boundary="----=_NextPart_000_0015_01CBF55F.9CCA6840"
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994

This is a multi-part message in MIME format.

------=_NextPart_000_0015_01CBF55F.9CCA6840
Content-Type: image/png
Content-Transfer-Encoding: base64
Content-Location: =?Windows-1252?Q?file:///C:/Documents%20and%20Settings/Dan%20Fraser/My%20?=
	=?Windows-1252?Q?Documents/=5FTruTechnology/Design%20Info/Power%20supplie?=
	=?Windows-1252?Q?s/Halbbr=FCckengegentaktwandler=5Ffiles/hgw=5Fsmps=5Fi?=
	=?Windows-1252?Q?n=5Fe=5Ffiles/home=5Fe.png?=

iVBORw0KGgoAAAANSUhEUgAAACoAAAATBAMAAAAUmIINAAAAMFBMVEUEBAIkVIKClMZUdKIENmf0
/Po8ZJKMpM4OPHJshLY0XIpHbJocRHpcfKp0jL6LnMmx8/2HAAAACXBIWXMAAA51AAAOdQDOZGGk
AAAAw0lEQVR4nGNgwApYXDCBA2miHiDgAoIuLS4tYNqBgaOjIxQIUUADA8+ZM6FAiAR6zhxg4BGU
CQVBEAoNDQSSgoICDFyrVgF5S6OWRoWuAkIQY9UCBra0tNC00NSw1LBQMCM0NCwtgYF79+7Q3aFb
o7dGh0IYu3fv3sDAbGwcahxqGmwaHApjGBsw8N69GwqCoXdDYYy7Fxg4Z2KCCQx87zDBAwYmpU9K
SvpApA8mlUBcBQb+/5jgAwN/+fd6dPQBe1QAAKSHpb6/9g3xAAAAAElFTkSuQmCC

------=_NextPart_000_0015_01CBF55F.9CCA6840
Content-Type: image/png
Content-Transfer-Encoding: base64
Content-Location: =?Windows-1252?Q?file:///C:/Documents%20and%20Settings/Dan%20Fraser/My%20?=
	=?Windows-1252?Q?Documents/=5FTruTechnology/Design%20Info/Power%20supplie?=
	=?Windows-1252?Q?s/Halbbr=FCckengegentaktwandler=5Ffiles/hgw=5Fsmps=5Fi?=
	=?Windows-1252?Q?n=5Fe=5Ffiles/hilfe=5Fe.png?=

iVBORw0KGgoAAAANSUhEUgAAACoAAAATBAMAAAAUmIINAAAAMFBMVEUEBAIkVIKClMZUdKIENmf0
/Po8ZJKMpM4OPHJshLY0XIpGbJocRHpcfKp0jL6LnMkICCZvAAAA0UlEQVR42mNgwApYXDCBAxVE
OTo6OlojWiPAVAcENDDwnDlz5mjM0RgwdQYCDjAwHhQ8KBooGng0FEiEhgYeFBQUFGDgWrVq1dLQ
0KjQVaFLQQSQu2oBA1taWlpqWGpYaGgokEgLBXLTEhi4d+/evTV6a3QoiArdDaR2797AwGxsbGwa
bBocahwKJoBcYwMG3rt3716NBcJQIBEaGgvk3r3AwDkTCYRCqAkMfO+QQCiEesDApPRJSUlJH4g/
wSkFBv7/mOADA3/593p09AF7VAAAZDaoEhw7KV8AAAAASUVORK5CYII=

------=_NextPart_000_0015_01CBF55F.9CCA6840
Content-Type: image/png
Content-Transfer-Encoding: base64
Content-Location: =?Windows-1252?Q?file:///C:/Documents%20and%20Settings/Dan%20Fraser/My%20?=
	=?Windows-1252?Q?Documents/=5FTruTechnology/Design%20Info/Power%20supplie?=
	=?Windows-1252?Q?s/Halbbr=FCckengegentaktwandler=5Ffiles/hgw=5Fsmps=5Fi?=
	=?Windows-1252?Q?n=5Fe=5Ffiles/drucken=5Fe.png?=

iVBORw0KGgoAAAANSUhEUgAAADEAAAATBAMAAADL1vgSAAAAMFBMVEUEBAIkVIKClMZUdKIENmf0
/Po8ZJKMpM4OPHJshLY0XIpGbJocRHpcfKp0jL6LnMkICCZvAAAAzklEQVR42p2RLQ7CQBCFHz8h
/JMKLrAXqNj0BggsaR4hNEh6BSQGkl6BA2Dqq1bhEFhkr4DAIGFnwJAUwzczb2bfkwv8pDmp5u9k
OtkJ2VQuFU3amUAuROXcq5EB/YtAXx/8cfYLqJ0CDwOOOfMjS4wA6OYCcx6XMscl1ciBViqQ8/U8
5dor1UiBnhPoXJE4FkmRUA0HNKxAa6PYMoqjmGpYYFAKLMvrquR1JaUO0DlUAwxv1QB1czcm9B2q
ms/TAKNnNT7ZPLbf/d6/fxQv3BTEAGfJawwAAAAASUVORK5CYII=

------=_NextPart_000_0015_01CBF55F.9CCA6840
Content-Type: image/png
Content-Transfer-Encoding: base64
Content-Location: =?Windows-1252?Q?file:///C:/Documents%20and%20Settings/Dan%20Fraser/My%20?=
	=?Windows-1252?Q?Documents/=5FTruTechnology/Design%20Info/Power%20supplie?=
	=?Windows-1252?Q?s/Halbbr=FCckengegentaktwandler=5Ffiles/hgw=5Fsmps=5Fi?=
	=?Windows-1252?Q?n=5Fe=5Ffiles/hgwandl=5Fe.png?=
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------=_NextPart_000_0015_01CBF55F.9CCA6840
Content-Type: image/png
Content-Transfer-Encoding: base64
Content-Location: =?Windows-1252?Q?file:///C:/Documents%20and%20Settings/Dan%20Fraser/My%20?=
	=?Windows-1252?Q?Documents/=5FTruTechnology/Design%20Info/Power%20supplie?=
	=?Windows-1252?Q?s/Halbbr=FCckengegentaktwandler=5Ffiles/hgw=5Fsmps=5Fi?=
	=?Windows-1252?Q?n=5Fe=5Ffiles/copyright.png?=
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------=_NextPart_000_0015_01CBF55F.9CCA6840
Content-Type: application/octet-stream
Content-Transfer-Encoding: quoted-printable
Content-Location: file:///C:/Documents%20and%20Settings/Dan%20Fraser/My%20Documents/_TruTechnology/Design%20Info/Power%20supplies/Halbbr%FCckengegentaktwandler_files/hgw_smps_in_e_files/hgw_control.js

// SMPS-Hgw JavaScript controls user's input

//checks Ue_min for input errors
function chkHgwFormUe_min() {
  var sUe_min=3Ddocument.Formular.Ue_min.value;
  var Ue_min=3DparseFloat(sUe_min);
  var Ue_max=3DparseFloat(document.Formular.Ue_max.value);
  var Ue=3DparseFloat(document.Formular.Ue.value);
  if =
((isNaN(sUe_min)=3D=3Dtrue)||(Ue_min<=3D0)||(sUe_min=3D=3D"")||(sUe_min.c=
harAt(0)=3D=3D" ")) {
    Ue_min=3D360.0;
    document.Formular.Ue_min.value=3DUe_min;
  }
  if (Ue_min>Ue_max) {
    document.Formular.Ue_max.value=3DUe_min;
  }
  if (Ue_min>Ue) {
    document.Formular.Ue.value=3DUe_min;
  }
  setHgwVorschlagN1N2();//set suggestion value for N1N2
  setHgwVorschlagL();   //set suggestion value for L
}

//checks Ue_max for input errors
function chkHgwFormUe_max() {
  var Ue_min=3DparseFloat(document.Formular.Ue_min.value);
  var Ue=3DparseFloat(document.Formular.Ue.value);
  var sUe_max=3Ddocument.Formular.Ue_max.value;
  var Ue_max=3DparseFloat(sUe_max);
  if =
((isNaN(sUe_max)=3D=3Dtrue)||(Ue_max<=3D0)||(sUe_max=3D=3D"")||(sUe_max.c=
harAt(0)=3D=3D" ")) {
    Ue_max=3D400.0;
    document.Formular.Ue_max.value=3DUe_max;
  }
  if (Ue_max<Ue_min) {
    document.Formular.Ue_min.value=3DUe_max;
  }
  if (Ue_max<Ue) {
    document.Formular.Ue.value=3DUe_max;
  }
  setHgwVorschlagN1N2();//set suggestion value for N1N2
  setHgwVorschlagL();   //set suggestion value for L
}

//checks Ue for input errors
function chkHgwFormUe() {
  var Ue_min=3DparseFloat(document.Formular.Ue_min.value);
  var Ue_max=3DparseFloat(document.Formular.Ue_max.value);
  var sUe=3Ddocument.Formular.Ue.value;
  var Ue=3DparseFloat(sUe);
  if =
((isNaN(sUe)=3D=3Dtrue)||(Ue<=3D0)||(sUe=3D=3D"")||(sUe.charAt(0)=3D=3D" =
")) {
    Ue=3DUe_max;
    document.Formular.Ue.value=3DUe;
  }
  if (Ue>Ue_max) {
    document.Formular.Ue.value=3DUe_max;
  }
  if (Ue<Ue_min) {
    document.Formular.Ue.value=3DUe_min;
  }
  setHgwVorschlagN1N2();//set suggestion value for N1N2
  setHgwVorschlagL();   //set suggestion value for L
}

//checks Ua for input errors
function chkHgwFormUa() {
  var sUa=3Ddocument.Formular.Ua.value;
  var Ua=3DparseFloat(sUa);
  if =
((isNaN(sUa)=3D=3Dtrue)||(Ua<=3D0)||(sUa=3D=3D"")||(sUa.charAt(0)=3D=3D" =
")) {
    Ua=3D60.0;
    document.Formular.Ua.value=3DUa;
  }
  setHgwVorschlagN1N2();//set suggestion value for N1N2
  setHgwVorschlagL();   //set suggestion value for L
}

//checks Ia for input errors
function chkHgwFormIa() {
  var sIa=3Ddocument.Formular.Ia.value;
  var Ia=3DparseFloat(sIa);
  if =
((isNaN(sIa)=3D=3Dtrue)||(Ia<=3D0)||(sIa=3D=3D"")||(sIa.charAt(0)=3D=3D" =
")) {
    Ia=3D10.0;
    document.Formular.Ia.value=3DIa;
  }
  setHgwVorschlagN1N2();//set suggestion value for N1N2
  setHgwVorschlagL();   //set suggestion value for L
}

//checks f for input errors
function chkHgwFormf() {
  var sf=3Ddocument.Formular.f.value;
  var f=3DparseFloat(sf);
  if =
((isNaN(sf)=3D=3Dtrue)||(f<=3D0)||(sf=3D=3D"")||(sf.charAt(0)=3D=3D" ")) =
{
    f=3D50.0;
    document.Formular.f.value=3Df;
  }
  else if ((f<0.1)||(f>1000)) { //checks range of the frequency input
    alert("Die Schaltfrequenz muss zwischen\n100 Hz und 1 MHz liegen!");
    document.Formular.f.focus();
    document.Formular.f.select();
  }
  setHgwVorschlagN1N2();//set suggestion value for N1N2
  setHgwVorschlagL();   //set suggestion value for L
}

//calculates suggestion value for the coil
function setHgwVorschlagL() {
  var vmodus=3Ddocument.Formular.vmodus;
  if (vmodus.checked) {
    var Ue=3DparseFloat(document.Formular.Ue.value);
    if ((isNaN(Ue)=3D=3Dtrue)||(Ue<=3D0)) { return; }
    var Ue_max=3DparseFloat(document.Formular.Ue_max.value);
    if ((isNaN(Ue_max)=3D=3Dtrue)||(Ue_max<=3D0)) { return; }
    var Ua=3DparseFloat(document.Formular.Ua.value);
    if ((isNaN(Ua)=3D=3Dtrue)||(Ua<=3D0)) { return; }
    var Ia=3DparseFloat(document.Formular.Ia.value);
    if ((isNaN(Ia)=3D=3Dtrue)||(Ia<=3D0)) { return; }
    var f=3DparseFloat(document.Formular.f.value);
    if ((isNaN(f)=3D=3Dtrue)||(f<=3D0)) { return; }
    var N1N2=3DparseFloat(document.Formular.N1N2.value);
    if ((isNaN(N1N2)=3D=3Dtrue)||(N1N2<=3D0)) { return; }
    f*=3D2000;
    var dIL=3D0.4*Ia;
    document.Formular.dIL.value=3Drunde(dIL);
    var Uf=3D1.4;
    var nUe=3DUe_max/(2*N1N2)-Uf;
    var t1=3D(Ua+Uf)/(f*(nUe+Uf));
    var L=3Dt1*(nUe-Ua)/dIL
    document.Formular.L.value=3Drunde(L);
  }
  else {
    chkHgwFormL();
  }
}

//calculates suggestion value for the transformer
function setHgwVorschlagN1N2() {
  var vmodusN1N2=3Ddocument.Formular.vmodusN1N2;
  var Ue_min=3DparseFloat(document.Formular.Ue_min.value);
  if ((isNaN(Ue_min)=3D=3Dtrue)||(Ue_min<=3D0)) { return; }
  var Ua=3DparseFloat(document.Formular.Ua.value);
  if ((isNaN(Ua)=3D=3Dtrue)||(Ua<=3D0)) { return; }
  var Uf=3D1.4;
  if (vmodusN1N2.checked) {
    var N1N2=3DUe_min*0.95/(2*(Ua+Uf));
    document.Formular.N1N2.value=3Drunde(N1N2);
    setHgwVorschlagL();
  }
}

//The value of dIL depends on the coil's value
function chkHgwFormL() {  //L suggestion-mode deactivated
  var sL=3Ddocument.Formular.L.value;
  var L=3DparseFloat(sL);
  var Ue_max=3DparseFloat(document.Formular.Ue_max.value);
  var f=3DparseFloat(document.Formular.f.value)*2000;
  var Ua=3DparseFloat(document.Formular.Ua.value);
  var Ia=3DparseFloat(document.Formular.Ia.value);
  var N1N2=3DparseFloat(document.Formular.N1N2.value);
  var Uf=3D1.4;
  var nUe=3DUe_max/(2*N1N2)-Uf;
  var t1=3D(Ua+Uf)/(2*f*(nUe+Uf));
  if =
((isNaN(sL)=3D=3Dtrue)||(L<=3D0)||(sL=3D=3D"")||(sL.charAt(0)=3D=3D" ")) =
{
    document.Formular.L.value=3D"";
    document.Formular.dIL.value=3D"";
    return;
  }
  var dIL=3D2*(nUe-Ua)*t1/L;
  if (isNaN(dIL)=3D=3Dtrue) {
    document.Formular.L.value=3D"";
    document.Formular.dIL.value=3D"";
    return;
  }
  if (dIL<=3D2*Ia) {
    document.Formular.dIL.value=3Drunde(dIL);//continous mode
  }
  else {
    =
t1=3DMath.sqrt((Ia*L)/(f/2*(nUe-Ua)*(nUe+Uf)/(Ua+Uf)));//non-continuous =
mode
    dIL=3D(nUe-Ua)*t1/L;
    document.Formular.dIL.value=3Drunde(dIL);
  }
  document.Formular.L.value=3Drunde(L);
  return;
}

//The value of L depends on the value of dIL
function chkHgwFormdIL() {  //dIL suggestion-mode deactivated
  var sdIL=3Ddocument.Formular.dIL.value;
  var dIL=3DparseFloat(sdIL);
  if =
((isNaN(sdIL)=3D=3Dtrue)||(dIL<=3D0)||(sdIL=3D=3D"")||(sdIL.charAt(0)=3D=3D=
" ")) {
    document.Formular.dIL.value=3D"";
    document.Formular.L.value=3D"";
    return;
  }
  var Ue_max=3DparseFloat(document.Formular.Ue_max.value);
  var f=3DparseFloat(document.Formular.f.value)*2000;
  var Ua=3DparseFloat(document.Formular.Ua.value);
  var Ia=3DparseFloat(document.Formular.Ia.value);
  var N1N2=3DparseFloat(document.Formular.N1N2.value);
  if (isNaN(Ia)=3D=3Dtrue) {
    document.Formular.L.value=3D"";
    document.Formular.dIL.value=3D"";
    return;
  }
  if (dIL>2*Ia) {//non-continuous mode rejected
    document.Formular.L.value=3D"";
    alert("Bitte w=E4hlen Sie Delta IL < 2 Ia");
    document.Formular.dIL.select();
    return;
  }
  else {//continuous mode
    var Uf=3D1.4;
    var nUe=3DUe_max/(2*N1N2)-Uf;
    var t1=3D(Ua+Uf)/(f*(nUe+Uf));
    var L=3D(nUe-Ua)*t1/dIL;
    document.Formular.L.value=3Drunde(L);
  }
  document.Formular.dIL.value=3Drunde(dIL);
}

//calculates N1N2
function chkHgwFormN1N2() { //N1N2 suggestion-mode deactivated
  var sN1N2=3Ddocument.Formular.N1N2.value;
  var N1N2=3DparseFloat(sN1N2);
  var Ue_min=3DparseFloat(document.Formular.Ue_min.value);
  var Ua=3DparseFloat(document.Formular.Ua.value);
  var Uf=3D1.4;
  if =
((isNaN(sN1N2)=3D=3Dtrue)||(N1N2<=3D0)||(sN1N2=3D=3D"")||(sN1N2.charAt(0)=
=3D=3D" ")) {
    N1N2=3DUe_min/2/(Ua+Uf)*0.95;
    document.Formular.N1N2.value=3Drunde(N1N2);
  }
  if (N1N2>Ue_min/2/(Ua+Uf)*0.95) {
    document.Formular.N1N2.value=3Drunde(Ue_min/2/(Ua+Uf)*0.95);
  }
  setHgwVorschlagL();
  return;
}

//all input values are checked after pressing the "Berechnen" or =
"Wickel..." buttons
function HgwProcForm() {
  chkHgwFormUe_min();
  chkHgwFormUe_max();
  chkHgwFormUe();
  chkHgwFormUa();
  chkHgwFormIa();
  chkHgwFormf();
  var sL=3Ddocument.Formular.L.value;
  var L=3DparseFloat(sL);
  if =
((isNaN(sL)=3D=3Dtrue)||(L<=3D0)||(sL=3D=3D"")||(sL.charAt(0)=3D=3D" ")) =
{
    document.Formular.L.value=3D"";
    document.Formular.dIL.value=3D"";
    document.Formular.vmodus.checked=3Dtrue;
    setHgwVorschlagL();
  }
  chkHgwFormN1N2();
}

//values will be rounded to powers of ten, negative results are rejected
function runde(x) {
  if (x<0) { alert("Fehler: Negatives Rechenergebnis!"); return =
"Fehler!"; }
  else if (x=3D=3D0) { return 0}
  var ri=3D0;
  var strx=3D"";
  if (x<0.1) {
    do {
      x*=3D10;
      ri++;
    }
    while ((x<1)||((ri%3)!=3D0))
    x=3DMath.round(1E3*x)/1E3;
    strx=3Dx.toString().substring(0,5);
    strx+=3D"E-"+ri;
    return strx;
  }
  else { return Math.round(100*x)/100; }
}

//performs dynamically tooltip
function N1N2Hilfe() {
  Ue_min=3DparseFloat(document.Formular.Ue_min.value);
  Ua=3DparseFloat(document.Formular.Ua.value);
  htxt=3D"Wicklungsverh=E4ltnis:\nW=E4hlen Sie N1/N2 < =
Ue_min/2/(Ua+1.4V)*0.95 =3D " + runde(Ue_min/2/(Ua+1.4)*0.95);
  document.Formular.N1N2.title=3Dhtxt;
  window.status=3Dhtxt;
}

//opens coil data window
function HgwNewWindow() {
  HgwProcForm();
  var =
nw=3Dwindow.open("wickeldaten.html","Wickeldaten","width=3D800,height=3D6=
00,scrollbars=3Dyes,resizable=3Dno,"+
     "status=3Dno,menubar=3Dno,locationbar=3Dno,dependent=3Dyes");
  nw.focus();
}

//opens transformer data window
function HgwNewWindowTrafo() {
  HgwProcForm();
  var =
nw=3Dwindow.open("trafodaten.html","Trafodaten","width=3D665,height=3D600=
,scrollbars=3Dyes,resizable=3Dno,"+
     "status=3Dno,menubar=3Dno,locationbar=3Dno,dependent=3Dyes");
  nw.focus();
}

------=_NextPart_000_0015_01CBF55F.9CCA6840
Content-Type: application/octet-stream
Content-Transfer-Encoding: 7bit
Content-Location: file:///C:/Documents%20and%20Settings/Dan%20Fraser/My%20Documents/_TruTechnology/Design%20Info/Power%20supplies/Halbbr%FCckengegentaktwandler_files/hgw_smps_in_e_files/buttons.js

home0=new Image();home0.src="home_e.html";   // Standard-Grafik
home1=new Image();home1.src="homehi_e.html"; // Highlight-Grafik
hilfe0=new Image();hilfe0.src="hilfe_e.html";
hilfe1=new Image();hilfe1.src="hilfehi_e.html";
drucken0=new Image();drucken0.src="../smps_e/drucken_e.html";
drucken1=new Image();drucken1.src="../smps_e/druckenhi_e.html";
speichern0=new Image();speichern0.src="../smps_e/speichern_e.html";
speichern1=new Image();speichern1.src="../smps_e/speichernhi_e.html";

function bildwechsel(bildnr,bildobjekt) {
  window.document.images[bildnr].src=bildobjekt.src;
}

------=_NextPart_000_0015_01CBF55F.9CCA6840
Content-Type: multipart/alternative;
	boundary="----=_NextPart_001_0024_01CBF55F.9CCA6840"


------=_NextPart_001_0024_01CBF55F.9CCA6840
Content-Type: text/html;
	charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable
Content-Location: =?Windows-1252?Q?file://C:\Documents_and_Settings\Dan_Fraser\My_Documents?=
	=?Windows-1252?Q?\=5FTruTechnology\Design_Info\Power_supplies\Halbbr=FCck?=
	=?Windows-1252?Q?engegentaktwandler.htm?=

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN">
<!-- saved from =
url=3D(0055)http://henry.fbe.fh-darmstadt.de/smps_e/hgw_smps_e.html =
--><?xml version=3D"1.0"?><HTML=20
xmlns=3D"http://www.w3.org/1999/xhtml">
<!-- /Power Electronics/Power Supplies & Regulators/Regulated - Switching/Half-Bridge Push-Pull Converter Designer.mht  [XR&CO'2014], Sun, 19 Dec 2021 04:52:22 GMT -->
<HEAD><TITLE>Halbbr=FCckengegentak=
twandler</TITLE>
<META name=3DGENERATOR content=3D"MSHTML 8.00.6001.19019">
<META content=3D"text/html; charset=3Dwindows-1252"=20
http-equiv=3DContent-Type></HEAD><FRAMESET borderColor=3D#ffffff =
cols=3D50%,50%><FRAME=20
noResize=20
src=3D_file_/C_/Documents.html and Settings\Dan Fraser\My =
Documents\_TruTechnology\Design Info\Power =
supplies\Halbbr=FCckengegentaktwandler_files\hgw_smps_in_e.htm"=20
frameBorder=3D1 borderColor=3D#909090 name=3Din><FRAME=20
src=3D_file_/C_/Documents.html and Settings\Dan Fraser\My =
Documents\_TruTechnology\Design Info\Power =
supplies\Halbbr=FCckengegentaktwandler_files\smps_e.htm"=20
frameBorder=3D0 name=3Dout><NOFRAMES></NOFRAMES></FRAMESET>
<!-- /Power Electronics/Power Supplies & Regulators/Regulated - Switching/Half-Bridge Push-Pull Converter Designer.mht  [XR&CO'2014], Sun, 19 Dec 2021 04:52:22 GMT -->
</HTML>

------=_NextPart_001_0024_01CBF55F.9CCA6840
Content-Type: text/html;
	charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable
Content-Location: =?Windows-1252?Q?file://C:\Documents_and_Settings\Dan_Fraser\My_Documents?=
	=?Windows-1252?Q?\=5FTruTechnology\Design_Info\Power_supplies\Halbbr=FCck?=
	=?Windows-1252?Q?engegentaktwandler=5Ffiles\hgw=5Fsmps=5Fin=5Fe.htm?=

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- saved from =
url=3D(0058)http://henry.fbe.fh-darmstadt.de/smps_e/hgw_smps_in_e.html =
--><?xml version=3D"1.0"?><HTML=20
xmlns=3D"http://www.w3.org/1999/xhtml"><HEAD><TITLE>Half-Bridge =
Push-Pull Converter</TITLE>
<META content=3D"text/html; charset=3Dwindows-1252" =
http-equiv=3DContent-Type>
<META name=3DGENERATOR content=3D"MSHTML 8.00.6001.19019"><LINK =
rel=3Dstylesheet=20
type=3Dtext/css href=3D_hgw_smps_in_e_files/smps0.html>
<SCRIPT language=3DJavaScript type=3Dtext/javascript=20
src=3D_file_/C_/Documents%20and%20Settings/Dan%20Fraser/My%20Documents/%3d.html
_TruTechnology/Design%20Info/Power%20supplies/Halbbr%FCckengegentaktwandl=
er_files/hgw_smps_in_e_files/hgw_control.js">
</SCRIPT>

<SCRIPT language=3DJavaScript type=3Dtext/javascript=20
src=3D_file_/C_/Documents%20and%20Settings/Dan%20Fraser/My%20Documents/%3d.html
_TruTechnology/Design%20Info/Power%20supplies/Halbbr%FCckengegentaktwandl=
er_files/hgw_smps_in_e_files/buttons.js">
</SCRIPT>
</HEAD>
<BODY onmouseout=3D"window.status=3D' '; return"=20
onload=3Ddocument.Formular.Ue_min.focus()><NOSCRIPT>
<DIV class=3Dmitte>
<H2 class=3Drot>You dont have JavaScript actvated.<BR><BR>Please =
activate=20
JavaScript and reactivate the webpage! </H2>
<HR>
</DIV></NOSCRIPT>
<P><A href=3D_http_/henry.fbe.fh-darmstadt.de/smps_e/smps_e.html#Hgw"=20
target=3D_parent><IMG onmouseover=3Dbildwechsel(0,home1) title=3DHome=20
onmouseout=3Dbildwechsel(0,home0) border=3D0 alt=3D""=20
src=3D_file_/C_/Documents%20and%20Settings/Dan%20Fraser/My%20Documents/%3d.html
_TruTechnology/Design%20Info/Power%20supplies/Halbbr=FCckengegentaktwandl=
er_files/hgw_smps_in_e_files/home_e.png"=20
width=3D42 height=3D19></A> <A=20
href=3D_http_/henry.fbe.fh-darmstadt.de/smps_e/hgw_hilfe_e.html
target=3D_blank><IMG onmouseover=3Dbildwechsel(1,hilfe1) title=3DHelp=20
onmouseout=3Dbildwechsel(1,hilfe0) border=3D0 alt=3D""=20
src=3D_file_/C_/Documents%20and%20Settings/Dan%20Fraser/My%20Documents/%3d.html
_TruTechnology/Design%20Info/Power%20supplies/Halbbr=FCckengegentaktwandl=
er_files/hgw_smps_in_e_files/hilfe_e.png"=20
width=3D42 height=3D19></A> <A href=3D_javascript_window.html><IMG=20
onmouseover=3Dbildwechsel(2,drucken1) title=3DPrint=20
onmouseout=3Dbildwechsel(2,drucken0) border=3D0 alt=3D""=20
src=3D_file_/C_/Documents%20and%20Settings/Dan%20Fraser/My%20Documents/%3d.html
_TruTechnology/Design%20Info/Power%20supplies/Halbbr=FCckengegentaktwandl=
er_files/hgw_smps_in_e_files/drucken_e.png"=20
width=3D49 height=3D19></A><BR><BR></P>
<DIV class=3Dmitte>
<H2>Half-Bridge Push-Pull Converter </H2><IMG=20
onmouseover=3D"window.status=3D'Prinzipschaltbild des =
Halbbr=FCckengegentaktwandlers'"=20
title=3D"Circuit diagram of the Half-Bridge Push-Pull Converter" =
alt=3D""=20
src=3D_file_/C_/Documents%20and%20Settings/Dan%20Fraser/My%20Documents/%3d.html
_TruTechnology/Design%20Info/Power%20supplies/Halbbr=FCckengegentaktwandl=
er_files/hgw_smps_in_e_files/hgwandl_e.png"=20
width=3D350 height=3D131><BR><BR>
<FORM onsubmit=3D"HgwProcForm(); return true" method=3Dget =
name=3DFormular=20
action=https://www.schematicsforfree.com/files/Power Electronics/Power Supplies &amp; Regulators/Regulated - Switching/3Dhttp://henry.fbe.fh-darmstadt.de/cgi-bin/smps_e.pl =
target=3Dout>
<FIELDSET>
<TABLE border=3D0 cellSpacing=3D0 summary=3DHgw_Eingabe cellPadding=3D0 =
width=3D"100%"=20
bgColor=3D#ffffff>
  <TBODY>
  <TR vAlign=3Dbaseline><!-- Row 1 Column 1 -->
    <TD=20
      =
bgColor=3D#fffffc><STRONG>&nbsp;&nbsp;V<SUB>in_min</SUB>&nbsp;/&nbsp;V</S=
TRONG>=20
    </TD><!-- Row 1 Column 2 -->
    <TD =
bgColor=3D#fffffc><STRONG>V<SUB>in_max</SUB>&nbsp;/&nbsp;V</STRONG> =
</TD><!-- Row 1 Column 3 -->
    <TD bgColor=3D#fffffc>&nbsp; </TD><!-- Row 1 Column 4 -->
    <TD bgColor=3D#f5f5dc>
      <DIV class=3Dmitte><STRONG>V<SUB>in</SUB>&nbsp;/&nbsp;V <SMALL>for =
the=20
      calculations</SMALL></STRONG> </DIV></TD></TR>
  <TR vAlign=3Dtop><!-- Row 2 Column 1 -->
    <TD title=3D"Input voltage=3DVin_min...Vin_max" bgColor=3D#fffffc=20
      height=3D35>&nbsp;&nbsp;<INPUT onblur=3DchkHgwFormUe_min()=20
      =
onmouseover=3D"window.status=3D'Eingangsspannungsbereich=3DUe_min...Ue_ma=
x'"=20
      maxLength=3D11 size=3D10 name=3DUe_min> </TD><!-- Row 2 Column 2 =
-->
    <TD title=3D"Input voltage=3DVin_min...Vin_max" =
bgColor=3D#fffffc><INPUT=20
      onblur=3DchkHgwFormUe_max()=20
      =
onmouseover=3D"window.status=3D'Eingangsspannungsbereich=3DUe_min...Ue_ma=
x'"=20
      maxLength=3D11 size=3D10 name=3DUe_max> </TD><!-- Row 2 Column 3 =
-->
    <TD bgColor=3D#fffffc>&nbsp; </TD><!-- Row 2 Column 4 -->
    <TD title=3D"The diagrams are calculated for this input voltage"=20
    bgColor=3D#f5f5dc>
      <DIV class=3Dmitte><STRONG><INPUT onblur=3DchkHgwFormUe()=20
      onmouseover=3D"window.status=3D'Die Diagramme werden f=FCr diese =
Eingangsspannung berechnet'"=20
      maxLength=3D11 size=3D10 name=3DUe></STRONG> </DIV></TD></TR>
  <TR vAlign=3Dbaseline>
    <TD=20
      bgColor=3D#fffffc><!-- Row 3 Column 1 =
-->&nbsp;&nbsp;<STRONG>V<SUB>out</SUB>&nbsp;/&nbsp;V</STRONG>=20
    </TD><!-- Row 3 Column 2 -->
    <TD bgColor=3D#fffffc><STRONG>I<SUB>out</SUB>&nbsp;/&nbsp;A</STRONG> =
&nbsp;=20
    </TD><!-- Row 3 Column 3 -->
    <TD bgColor=3D#fffffc><STRONG>f&nbsp;/&nbsp;kHz</STRONG> &nbsp; =
</TD><!-- Row 3 Column 4 -->
    <TD bgColor=3D#f5f5dc>&nbsp; </TD></TR>
  <TR vAlign=3Dtop><!-- Row 4 Column 1 -->
    <TD title=3D"Output voltage in Volt" bgColor=3D#fffffc=20
      height=3D35>&nbsp;&nbsp;<INPUT onblur=3DchkHgwFormUa()=20
      onmouseover=3D"window.status=3D'gew=FCnschte Ausgangsspannung in =
Volt'"=20
      maxLength=3D11 size=3D10 name=3DUa> </TD><!-- Row 4 Column 2 -->
    <TD title=3D"Output current in Amps" bgColor=3D#fffffc><INPUT=20
      onblur=3DchkHgwFormIa()=20
      onmouseover=3D"window.status=3D'gew=FCnschter Ausgangsstrom in =
Amp=E8re'"=20
      maxLength=3D11 size=3D10 name=3DIa> </TD><!-- Row 4 Column 3 -->
    <TD title=3D"Switching frequency in kHz" bgColor=3D#fffffc><INPUT=20
      onblur=3DchkHgwFormf() =
onmouseover=3D"window.status=3D'Schaltfrequenz in kHz'"=20
      maxLength=3D11 size=3D10 name=3Df> </TD><!-- Row 4 Column 4 -->
    <TD title=3D"Calculate diagram" bgColor=3D#f5f5dc>
      <DIV class=3Dmitte><INPUT =
onmouseover=3D"window.status=3D'Diagramme berechnen'" =
onclick=3D"window.status=3D'Diagramme werden geladen...'" =
value=3DCalculate type=3Dsubmit>=20
      </DIV></TD></TR>
  <TR vAlign=3Dbaseline><!-- Row 5 Column 1 -->
    <TD bgColor=3D#ffffec>&nbsp; </TD><!-- Row 5 Column 2 -->
    <TD bgColor=3D#ffffec><STRONG>L&nbsp;/&nbsp;H</STRONG> </TD><!-- Row =
5 Column 3 -->
    <TD =
bgColor=3D#fafaec><STRONG>&#916;I<SUB>L</SUB>&nbsp;/&nbsp;A</STRONG>=20
      <SMALL>for V<SUB>in_max</SUB></SMALL> </TD><!-- Row 5 Column 4 -->
    <TD bgColor=3D#f5f5dc>&nbsp; </TD></TR>
  <TR vAlign=3Dtop><!-- Row 6 Column 1 -->
    <TD title=3D"Proposal mode: L and &#916;IL are chosen automatically" =

    bgColor=3D#ffffec height=3D35>&nbsp; <INPUT=20
      onmouseover=3D"window.status=3D'Vorschlagsmodus: N1/N2 wird =
berechnet'"=20
      onclick=3DsetHgwVorschlagL() value=3Dvorschlag CHECKED =
type=3Dcheckbox=20
      name=3Dvmodus> <STRONG>Proposal</STRONG><BR></TD><!-- Row 6 Column =
2 -->
    <TD title=3D"Coil inductance in Henry" bgColor=3D#ffffec><INPUT=20
      onfocus=3Dvmodus.checked=3Dfalse=20
      onmouseover=3D"window.status=3D'Induktivit=E4t der Spule in =
Henry'"=20
      onchange=3DchkHgwFormL() maxLength=3D11 size=3D10 name=3DL> =
</TD><!-- Row 6 Column 3 -->
    <TD=20
    title=3D"&#916;IL=3DCurrent ripple during maximum input voltage. =
Please select &#916;IL<2=B7Ia"=20
    bgColor=3D#ffffec><INPUT onfocus=3Dvmodus.checked=3Dfalse=20
      onmouseover=3D"window.status=3D'&#916;IL=3DWelligkeit des =
Drosselstromes, bei maximaler Eingangsspannung. W=E4hlen Sie =
&#916;IL<2=B7Ia'"=20
      onchange=3DchkHgwFormdIL(); maxLength=3D11 size=3D10 name=3DdIL> =
</TD><!-- Row 6 Column 4 -->
    <TD title=3D"Coil dimensions" bgColor=3D#f5f5dc>
      <DIV class=3Dmitte><INPUT onmouseover=3D"window.status=3D'Spule =
dimensionieren'" onclick=3DHgwNewWindow() value=3D"Coil Data" =
type%3d3Dbutton.html>=20
      </DIV></TD></TR>
  <TR vAlign=3Dtop><!-- Row 7 Column 1 -->
    <TD title=3D"Proposal mode: N1/N2 is chosen automatically" =
bgColor=3D#ffffec=20
    height=3D35>&nbsp; <INPUT=20
      onmouseover=3D"window.status=3D'Vorschlagsmodus: N1/N2 wird =
berechnet'"=20
      onclick=3DsetHgwVorschlagN1N2() value=3Dvorschlag CHECKED =
type=3Dcheckbox=20
      name=3DvmodusN1N2> <STRONG>Proposal</STRONG><BR></TD><!-- Row 7 =
Column 2 -->
    <TD onmouseover=3DN1N2Hilfe() bgColor=3D#ffffec vAlign=3Dtop=20
      align=3Dright><STRONG>N<SUB>1</SUB>&nbsp;/&nbsp;N<SUB>2</SUB>=20
      :&nbsp;&nbsp;&nbsp;</STRONG> </TD><!-- Row 7 Column 3 -->
    <TD bgColor=3D#ffffec><INPUT onfocus=3DvmodusN1N2.checked=3Dfalse=20
      onmouseover=3DN1N2Hilfe() onchange=3DchkHgwFormN1N2(); =
maxLength=3D11 size=3D10=20
      name=3DN1N2> </TD><!-- Row 7 Column 4 -->
    <TD title=3D"Transformer dimensions" bgColor=3D#f5f5dc>
      <DIV class=3Dmitte><INPUT onmouseover=3D"window.status=3D'Trafo =
dimensionieren'" onclick=3DHgwNewWindowTrafo() value=3D"Transformer =
Data" type=3Dbutton>=20
      </DIV></TD></TR></TBODY></TABLE></FIELDSET> <INPUT value=3D6 =
type=3Dhidden=20
name=3DWandlertyp> </FORM></DIV><SMALL><A=20
onmouseover=3D"window.status=3D'These Tips can help to improove your =
results';">The=20
values of all input fields can be changed. <BR>The proposed value for =
<EM>L</EM>=20
is chosen so that <EM>&#916;I<SUB>L</SUB>=3D0,4=B7I<SUB>out</SUB></EM> =
for=20
<EM>&gt;V<SUB>in_max</SUB></EM>. <BR>The proposed value for=20
<EM>N</EM><SUB>1</SUB><EM>/N</EM><SUB>2</SUB> is chosen such that=20
<EM>V<SUB>out</SUB></EM> is just achieved when Vin=3D =
<EM>V<SUB>in_min</SUB></EM>.=20
<BR>The cores are suggested in such a way that they do not warm up any =
more to=20
than approx. 30 K in relation to the ambient. <BR>The wire cross =
sections are=20
always suggested for a current density of 3A/mm<SUP>2</SUP>=20
<BR><STRONG>Tip:</STRONG> Its best not to modify=20
<EM>N</EM><SUB>1</SUB><EM>/N</EM><SUB>2</SUB> ;-)</A> =
<BR></SMALL><BR><BR>
<DIV class=3Dmitte><SMALL><IMG border=3D0 alt=3D""=20
src=3D_file_/C_/Documents%20and%20Settings/Dan%20Fraser/My%20Documents/%3d.html
_TruTechnology/Design%20Info/Power%20supplies/Halbbr=FCckengegentaktwandl=
er_files/hgw_smps_in_e_files/copyright.png"=20
width=3D32 height=3D20> By <A =
href=3D_mailto_schmidt-walter%40fbe.fh-darmstadt.html>Dr.=20
Heinz Schmidt-Walter</A>, <A href=3D_mailto_wenzel_holger%40web.html>Holger =

Wenzel</A>, Thomas Z=E4nker, Richard Morgan and Johnalan Kegan.</SMALL>=20
</DIV></BODY></HTML>

------=_NextPart_001_0024_01CBF55F.9CCA6840--

------=_NextPart_000_0015_01CBF55F.9CCA6840
Content-Type: image/png
Content-Transfer-Encoding: base64
Content-Location: =?Windows-1252?Q?file:///C:/Documents%20and%20Settings/Dan%20Fraser/My%20?=
	=?Windows-1252?Q?Documents/=5FTruTechnology/Design%20Info/Power%20supplie?=
	=?Windows-1252?Q?s/Halbbr=FCckengegentaktwandler=5Ffiles/smps=5Fe=5Ffiles?=
	=?Windows-1252?Q?/speichern=5Fe.png?=

iVBORw0KGgoAAAANSUhEUgAAADQAAAATBAMAAAAt/zNWAAAAMFBMVEUEBAKMpM6KnMmClMZ0jL70
/PpshLZcfKpUdKJGbJo8ZJI0XIocRHokVIINPHIENmfskZSOAAAAzElEQVR42mNgwA34/+MAH6gv
xfcODEJD36GBBww8Z0DgaMzRmDOo4AADz927d+/cvRp79u7V0LuhV2OvhsbePXsWKHiBgXs3CGwN
jd4dvTU6FIh2h4JFdm9g4FoFBktDo4AodGlUaGgoRGQBA+dMCJgaGQpBUP7MCQwcHSDQGtEaEQok
QjtAEAwaGNjLwSA0tLw0NLwUTEJEChjY0nCABAYWFxzAgYHJCAiUlZUg2MhICYiATGUjAwYmJRxA
gYFRUUgQgeBMRUEFPJEMAOMC+caOvlZVAAAAAElFTkSuQmCC

------=_NextPart_000_0015_01CBF55F.9CCA6840
Content-Type: image/png
Content-Transfer-Encoding: base64
Content-Location: =?Windows-1252?Q?file:///C:/Documents%20and%20Settings/Dan%20Fraser/My%20?=
	=?Windows-1252?Q?Documents/=5FTruTechnology/Design%20Info/Power%20supplie?=
	=?Windows-1252?Q?s/Halbbr=FCckengegentaktwandler=5Ffiles/smps=5Fe=5Ffiles?=
	=?Windows-1252?Q?/smps=5Fe413994.png?=
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------=_NextPart_000_0015_01CBF55F.9CCA6840
Content-Type: text/html;
	charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable
Content-Location: =?Windows-1252?Q?file://C:\Documents_and_Settings\Dan_Fraser\My_Documents?=
	=?Windows-1252?Q?\=5FTruTechnology\Design_Info\Power_supplies\Halbbr=FCck?=
	=?Windows-1252?Q?engegentaktwandler=5Ffiles\smps=5Fe.htm?=

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- saved from =
url=3D(0175)http://henry.fbe.fh-darmstadt.de/cgi-bin/smps_e.pl?Ue_min=3D3=
00&Ue_max=3D360&Ue=3D300&Ua=3D110&Ia=3D10&f=3D70&vmodus=3Dvorschlag&L=3D4=
1.34E-6&dIL=3D4&vmodusN1N2=3Dvorschlag&N1N2=3D1.28&Wandlertyp=3D6 =
--><HTML><HEAD><TITLE>SMPS-Ausgabe</TITLE>
<META content=3D"text/html; charset=3Dwindows-1252" =
http-equiv=3DContent-Type>
<SCRIPT language=3DJavaScript type=3Dtext/javascript src=3D__.html></SCRIPT>

<SCRIPT language=3DJavaScript type=3Dtext/javascript>=0A=
<!--=0A=
function CC_SaveAs() {=0A=
if (!document.all['WB']) document.body.insertAdjacentHTML('beforeEnd', =
'<object id=3D"WB" width=3D0 height=3D0 =
classid=3D"clsid:8856F961-340A-11D0-A96B-00C04FD705A2">');=0A=
window.execScript("on error resume next: WB.ExecWB 4, 1", "VBScript");=0A=
}=0A=
//-->=0A=
</SCRIPT>
<LINK rel=3Dstylesheet type=3Dtext/css href=3D_smps_e_files/smps1.html>
<META name=3DGENERATOR content=3D"MSHTML 8.00.6001.19019"></HEAD>
<BODY><A href=3D_javascript_window.html><IMG=20
onmouseover=3Dbildwechsel(0,drucken1) title=3D"Print out diagrams"=20
onmouseout=3Dbildwechsel(0,drucken0) border=3D0 alt=3D"" src=3D__.html =
width=3D49=20
height=3D19></A>&nbsp;<A href=3D_javascript_CC_SaveAs()_.html><IMG=20
onmouseover=3Dbildwechsel(1,speichern1)=20
title=3D"Website abspeichern, Dateityp  *.mht  w=E4hlen!"=20
onmouseout=3Dbildwechsel(1,speichern0) border=3D0 alt=3D""=20
src=3D_file_/C_/Documents%20and%20Settings/Dan%20Fraser/My%20Documents/%3d.html
_TruTechnology/Design%20Info/Power%20supplies/Halbbr=FCckengegentaktwandl=
er_files/smps_e_files/speichern_e.png"=20
width=3D52 height=3D19></A>=20
<DIV class=3Dmitte><B>Half Bridge Push-Pull Converter</B>=20
<TABLE border=3D1 cellSpacing=3D0 summary=3D"Parameter Kontrolle" =
cellPadding=3D0=20
width=3D"78%" align=3Dcenter>
  <TBODY>
  <TR align=3Dmiddle>
    <TD>V<SUB>in_min</SUB> =3D 300.0V</TD>
    <TD>V<SUB>in_max</SUB> =3D 360.0V</TD>
    <TD>V<SUB>in</SUB> =3D 300.0V</TD></TR>
  <TR align=3Dmiddle>
    <TD>V<SUB>out</SUB> =3D 110.0V</TD>
    <TD>I<SUB>out</SUB> =3D 10.0A</TD>
    <TD>f =3D 70.0kHz</TD></TR>
  <TR align=3Dmiddle>
    <TD>L =3D 41.34=B5H</TD>
    <TD>&#916;I<SUB>L</SUB>for V<SUB>in_max</SUB> =3D 4.0A</TD>
    <TD>N<SUB>1</SUB>/N<SUB>2</SUB> =3D =
1.28</TD></TR></TBODY></TABLE></DIV><IMG=20
alt=3D""=20
src=3D_file_/C_/Documents%20and%20Settings/Dan%20Fraser/My%20Documents/%3d.html
_TruTechnology/Design%20Info/Power%20supplies/Halbbr=FCckengegentaktwandl=
er_files/smps_e_files/smps_e413994.png">=20
</BODY></HTML>

------=_NextPart_000_0015_01CBF55F.9CCA6840--