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    No je fakt, že ten konídk je na desce nepochopitelně daleko, přitom
    by šel snadno dát těsně ke švábovi. Doufám, že student co to
    navrhoval, za tohle dostal aspoň 1 bod do výsledné známky. Ona teda
    celá působí dojmem "nemám na to čas".<br>
    <br>
    Tohle je prostě typická věc, co se musí zdůrazňovat, že pravidla pro
    blokování se dodržovat musí, i když zdrovna tady ten 1 ks fungoval
    přestože je blokováno prasácky, nebo vůbec. Nikdo neví, jestli bude
    fungovat za jiného počasí, při jiným napětí v síti, až to postaví
    někdo jinej, z další várky součástek, ...<br>
    <br>
    PH<br>
    <br>
    <div class="moz-cite-prefix">Dne 12.04.2023 v 13:20 Jiří Linhart
      napsal(a):<br>
    </div>
    <blockquote type="cite"
      cite="mid:5207aef9-ff26-b3f1-08bd-35a4f5c6473f@gmail.com">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <p><font size="4">Některé IO potřebují přímo na nožky v DPS dát
          100nF kondík. Začalo se to dít tak před 2 roky. Něco změnili
          při výrobě nebo žáci použijí jiné tavidlo zatím jsme to
          nevypozorovali. Ze stejné várky to dělá zase, z jiné ne. Je to
          otázka kusů za rok. <br>
        </font></p>
      <p><font size="4">JL</font><br>
      </p>
      <div class="moz-cite-prefix">Dne 12.04.2023 v 10:40 Zuffa Jan
        napsal(a):<br>
      </div>
      <blockquote type="cite"
        cite="mid:D8AB1D5809825740A1D1EC02D3BCADE302ED9C4EFD@NS.ba.cgc.sk">
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        <div class="WordSection1">
          <p class="MsoNormal">Uz to tu bolo spomenute, zdroj
            pravdepodobne kmita<o:p></o:p></p>
          <p class="MsoNormal"><o:p> </o:p></p>
          <p class="MsoNormal">J.<o:p></o:p></p>
          <p class="MsoNormal"><o:p> </o:p></p>
          <div>
            <div style="border:none;border-top:solid #E1E1E1
              1.0pt;padding:3.0pt 0in 0in 0in">
              <p class="MsoNormal"><b>From:</b> Hw-list <a
                  class="moz-txt-link-rfc2396E"
                  href="mailto:hw-list-bounces@list.hw.cz"
                  moz-do-not-send="true"><hw-list-bounces@list.hw.cz></a>
                <b>On Behalf Of </b>DeeJay<br>
                <b>Sent:</b> Wednesday, April 12, 2023 8:28 AM<br>
                <b>To:</b> HW-news <a class="moz-txt-link-rfc2396E"
                  href="mailto:hw-list@list.hw.cz"
                  moz-do-not-send="true"><hw-list@list.hw.cz></a>;
                Pavel Kadečka <a class="moz-txt-link-rfc2396E"
                  href="mailto:pavel.kadecka@gmail.com"
                  moz-do-not-send="true"><pavel.kadecka@gmail.com></a><br>
                <b>Subject:</b> Re: Ročníková práce - posouzení zapojení<o:p></o:p></p>
            </div>
          </div>
          <p class="MsoNormal"><o:p> </o:p></p>
          <div>
            <p class="MsoNormal"><o:p> </o:p></p>
          </div>
          <div>
            <p class="MsoNormal">jojo tak se to chová, <o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">zapnu AC 24V, rozsvítí se napájení a po
              sekundě kontrolka omezení proudu, na výstupu není napětí<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">vypnu ac, počkám až zhasne kontrolka
              omezení, znovu zapnu a najede to ... a funguje normálně<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">Proto uvažuju, že je potřeba ošetřit
              nějaký "hazard stav"<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><o:p> </o:p></p>
          </div>
          <div>
            <p class="MsoNormal">Jara<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><o:p> </o:p></p>
          </div>
          <div>
            <p class="MsoNormal">Dne 12.04.2023 v 7:20 Pavel Kadečka
              napsal(a):<o:p></o:p></p>
          </div>
          <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
            <div>
              <p class="MsoNormal">U lineárního zdroje je úplně
                normální, že topí, máte tam sekundár 24V, takže když si
                výstupu budete mít např. 2V/2A, je tam velká výkonová
                ztráta. <o:p></o:p></p>
              <div>
                <p class="MsoNormal"><o:p> </o:p></p>
              </div>
              <div>
                <p class="MsoNormal">Takže jediná závada je, že se to
                  nedá zapnout na první pokus?<o:p></o:p></p>
                <div>
                  <p class="MsoNormal"><o:p> </o:p></p>
                </div>
                <div>
                  <p class="MsoNormal">P.K.<o:p></o:p></p>
                </div>
              </div>
            </div>
            <p class="MsoNormal"><o:p> </o:p></p>
            <div>
              <div>
                <p class="MsoNormal">út 11. 4. 2023 v 17:59 odesílatel
                  <<a href="mailto:deejay@email.cz"
                    moz-do-not-send="true" class="moz-txt-link-freetext">deejay@email.cz</a>>
                  napsal:<o:p></o:p></p>
              </div>
              <blockquote style="border:none;border-left:solid #CCCCCC
                1.0pt;padding:0in 0in 0in
                6.0pt;margin-left:4.8pt;margin-right:0in">
                <div>
                  <div>
                    <div>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS"> <o:p></o:p></span></p>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS">Já se moc OMLOUVÁM – smotali se nám
                          dvě věci dohromady, primárně řeším jen to
                          občasné nenaběhnutí zdroje, sekundárně to IMHO
                          nešťastně fungující proudové omezení<o:p></o:p></span></p>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS">To, že je to celé topí – to je
                          pochopitelně pod zatížením, berte to jako
                          povzdechnutí, že by se to dnes dalo udělat
                          jinak. <o:p></o:p></span></p>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS"> <o:p></o:p></span></p>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS">Ještě jednou se omlouvám za zmatení
                          <o:p></o:p></span></p>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS"> A díky za postřehy <o:p></o:p></span></p>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS">Jara<o:p></o:p></span></p>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS"> <o:p></o:p></span></p>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS"> <o:p></o:p></span></p>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS"> <o:p></o:p></span></p>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS"> <o:p></o:p></span></p>
                      <div style="border:none;border-top:solid #E1E1E1
                        1.0pt;padding:3.0pt 0in 0in 0in">
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span
                              lang="CS">From:</span></b><span lang="CS">
                            Hw-list <<a
                              href="mailto:hw-list-bounces@list.hw.cz"
                              target="_blank" moz-do-not-send="true"
                              class="moz-txt-link-freetext">hw-list-bounces@list.hw.cz</a>>
                            <b>On Behalf Of </b>Jan Kuba<br>
                            <b>Sent:</b> Tuesday, April 11, 2023 5:45 PM<br>
                            <b>To:</b> HW-news <<a
                              href="mailto:hw-list@list.hw.cz"
                              target="_blank" moz-do-not-send="true"
                              class="moz-txt-link-freetext">hw-list@list.hw.cz</a>><br>
                            <b>Subject:</b> Re: Ročníková práce -
                            posouzení zapojení<o:p></o:p></span></p>
                      </div>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS"> <o:p></o:p></span></p>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                            lang="CS">no jestli rectifier a výk.
                            tranzistor topí a  na výstupu je LED tak je
                            tam něco shnilého.....<o:p></o:p></span></p>
                        <div>
                          <p class="MsoNormal"
                            style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                              lang="CS">U LED to nemůže topit!<o:p></o:p></span></p>
                        </div>
                      </div>
                      <div
                        id="m_2722515732613563974DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2">
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                            lang="CS"> <o:p></o:p></span></p>
                        <table class="MsoNormalTable"
                          style="border:none;border-top:solid #D3D4DE
                          1.0pt" cellspacing="3" cellpadding="0"
                          border="1">
                          <tbody>
                            <tr>
                              <td
                                style="width:41.25pt;border:none;padding:9.75pt
                                .75pt .75pt .75pt" width="55">
                                <p class="MsoNormal"
                                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a
href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail"
                                    target="_blank"
                                    moz-do-not-send="true"><span
                                      style="text-decoration:none"><img
style="width:.4791in;height:.302in"
                                        id="m_2722515732613563974_x005f_x0000_i1025"
src="https://s-install.avcdn.net/ipm/preview/icons/icon-envelope-tick-round-orange-animated-no-repeat-v1.gif"
                                        moz-do-not-send="true"
                                        width="46" height="29"
                                        border="0"></span></a><o:p></o:p></p>
                              </td>
                              <td
                                style="width:352.5pt;border:none;padding:9.0pt
                                .75pt .75pt .75pt" width="470">
                                <p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:13.5pt"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#41424E">Neobsahuje
                                    žádné viry.<a
href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail"
                                      target="_blank"
                                      moz-do-not-send="true"><span
                                        style="color:#4453EA">www.avast.com</span></a></span><o:p></o:p></p>
                              </td>
                            </tr>
                          </tbody>
                        </table>
                      </div>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                          lang="CS"> <o:p></o:p></span></p>
                      <div>
                        <div>
                          <p class="MsoNormal"
                            style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                              lang="CS">út 11. 4. 2023 v 17:12
                              odesílatel <<a
                                href="mailto:deejay@email.cz"
                                target="_blank" moz-do-not-send="true"
                                class="moz-txt-link-freetext">deejay@email.cz</a>>
                              napsal:<o:p></o:p></span></p>
                        </div>
                        <blockquote style="border:none;border-left:solid
                          #CCCCCC 1.0pt;padding:0in 0in 0in
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt">
                          <div>
                            <div>
                              <div>
                                <p class="MsoNormal"
                                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                                    lang="CS"> <o:p></o:p></span></p>
                                <p class="MsoNormal"
                                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                                    lang="CS">Ano rozsvítí to LEDku
                                    omezení bez zátěže a napětí na
                                    výstupu, já vidím zakopaného psa
                                    v napájení operáku nebo v OZ
                                    samotném. Budeme to ještě zkoumat.<o:p></o:p></span></p>
                                <p class="MsoNormal"
                                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                                    lang="CS">Topí T3 což je logické,
                                    topí grétzák což v podstatě taky
                                    logické, dali jsme ho na chladič </span><span
                                    style="font-family:"Segoe UI
                                    Emoji",sans-serif" lang="CS">😊</span><span
                                    lang="CS"> hele to je prostě
                                    vlastnost, že se mi to nelíbí je věc
                                    jiná<o:p></o:p></span></p>
                                <p class="MsoNormal"
                                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                                    lang="CS"> <o:p></o:p></span></p>
                                <p class="MsoNormal"
                                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                                    lang="CS">Jara<o:p></o:p></span></p>
                                <p class="MsoNormal"
                                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                                    lang="CS"> <o:p></o:p></span></p>
                                <div style="border:none;border-top:solid
                                  #E1E1E1 1.0pt;padding:3.0pt 0in 0in
                                  0in">
                                  <p class="MsoNormal"
                                    style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span
                                        lang="CS">From:</span></b><span
                                      lang="CS"> Hw-list <<a
                                        href="mailto:hw-list-bounces@list.hw.cz"
                                        target="_blank"
                                        moz-do-not-send="true"
                                        class="moz-txt-link-freetext">hw-list-bounces@list.hw.cz</a>>
                                      <b>On Behalf Of </b>Pavel Kadečka<br>
                                      <b>Sent:</b> Tuesday, April 11,
                                      2023 11:29 AM<br>
                                      <b>To:</b> HW-news <<a
                                        href="mailto:hw-list@list.hw.cz"
                                        target="_blank"
                                        moz-do-not-send="true"
                                        class="moz-txt-link-freetext">hw-list@list.hw.cz</a>><br>
                                      <b>Subject:</b> Re: Ročníková
                                      práce - posouzení zapojení<o:p></o:p></span></p>
                                </div>
                                <p class="MsoNormal"
                                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                                    lang="CS"> <o:p></o:p></span></p>
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                                        lang="CS">po 10. 4. 2023 v 9:23
                                        odesílatel DeeJay <<a
                                          href="mailto:deejay@email.cz"
                                          target="_blank"
                                          moz-do-not-send="true"
                                          class="moz-txt-link-freetext">deejay@email.cz</a>>
                                        napsal:<o:p></o:p></span></p>
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                                          lang="CS">Co nám to dělá? no
                                          prvně to vlastně nejde
                                          zapnout, respektive jde, ale <br>
                                          až na podruhé - při první
                                          zapnutí AC do zdroje se
                                          rozsvítí akorát power <br>
                                          a za chvilku proudové
                                          přetížení, takže vypnout,
                                          počkat až vše zhasne a <br>
                                          znovu zapnout, pak už to
                                          obvykle najede, regulace
                                          napětí funguje.<o:p></o:p></span></p>
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                                          lang="CS"> <o:p></o:p></span></p>
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                                          lang="CS">Takže to bez zátěže
                                          rozsvítí LEDku proudového
                                          omezení?<o:p></o:p></span></p>
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                                          lang="CS"> <o:p></o:p></span></p>
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                                          lang="CS">IMHO <br>
                                          je na vině, napájení OZ, který
                                          vůbec nenajede. Další věcí je
                                          v podstatě <br>
                                          nepoužitelné proudové omezení,
                                          s obrovskou hysterezí. Zlatý
                                          hřeb je, že <br>
                                          to topí jako kamna, o návrhu
                                          zdroje pro měřící přístroj ani
                                          nemluvím, <br>
                                          ale jak říkám, nejsem
                                          odborník.<o:p></o:p></span></p>
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                                          lang="CS"> <o:p></o:p></span></p>
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                                          lang="CS">Topí jako kamna,
                                          tzn. trafo je horké? Co
                                          dalšího, ten hlavní výkonový
                                          tranzistor T3? <o:p></o:p></span></p>
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                                      <p class="MsoNormal"
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                                          lang="CS"> <o:p></o:p></span></p>
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                                      <p class="MsoNormal"
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                                          lang="CS">Nebo hřeje OZ?<o:p></o:p></span></p>
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                                      <p class="MsoNormal"
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                                          lang="CS"> <o:p></o:p></span></p>
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                                          lang="CS">A zapájené je to
                                          dobře? Aby tam nebyl nějaký
                                          zkrat nebo tak.<o:p></o:p></span></p>
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