<div dir="ltr"><div>Pokud se vam to tam vejde, zkuste to dat do plechove krabicky a vyvody pres pruchodkove kondezatory. <br></div>A nebo to zkuste jak to je, treba to opravdu nebude nic delat.<br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature">Zdravi<br>Jirka Sloupenský OK1MWW</div></div>
<br><div class="gmail_quote">Dne 6. března 2018 19:04 Martin Hanek <span dir="ltr"><<a href="mailto:martin@hanek.net" target="_blank">martin@hanek.net</a>></span> napsal(a):<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Jen vysilac.<br>
<br>
Martin Hanek<br>
<br>
Dne 6. 3. 2018 v 18:37 Jirka Mww napsal(a):<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">
jestli je to DO jen vysilac, tak celkem neni co zarusit. Jestli je to obousmerne, t.j. ma to i prijimac, zadelavate si na problem. Me takovyto maly menic rusil i na 3400 MHz. Pomohla pechova krabicka, pruchodkove kondenzatory, dalsi blokovaci kondy 1n,10n a 100n a jeste feritove perly na vsechny 4 vyvody.<br>
<br>
Zdravi<br>
Jirka Sloupenský OK1MWW<br>
<br></span>
Dne 6. března 2018 14:59 Martin Hanek <<a href="mailto:martin@hanek.net" target="_blank">martin@hanek.net</a> <mailto:<a href="mailto:martin@hanek.net" target="_blank">martin@hanek.net</a>>> napsal(a):<span class=""><br>
<br>
Dobrý den,<br>
mám dálkové ovládání Tx Pocket 4 na 433MHz, které je napájené<br>
baterií 12V typ 23A: <a href="https://www.enika.cz/tx-pocket-4_z3781/" rel="noreferrer" target="_blank">https://www.enika.cz/tx-pocket<wbr>-4_z3781/</a><br>
<<a href="https://www.enika.cz/tx-pocket-4_z3781/" rel="noreferrer" target="_blank">https://www.enika.cz/tx-pocke<wbr>t-4_z3781/</a>><br>
DO předělám do jiné krabičky (kvůli krytí a tlačítkům) a chtěl<br>
bych použít 3 tužkové baterie (krabička má na to kastlík) +<br>
step-up měnič na 12:<br>
<a href="https://www.ebay.com/itm/DC-3-3V-3-7V-5V-6V-to-12V-DC-DC-Boost-Step-up-Power-Supply-Module-Converter-/282743159660?hash=item41d4ce3b6c" rel="noreferrer" target="_blank">https://www.ebay.com/itm/DC-3-<wbr>3V-3-7V-5V-6V-to-12V-DC-DC-Boo<wbr>st-Step-up-Power-Supply-Module<wbr>-Converter-/282743159660?hash=<wbr>item41d4ce3b6c</a><br></span>
<<a href="https://www.ebay.com/itm/DC-3-3V-3-7V-5V-6V-to-12V-DC-DC-Boost-Step-up-Power-Supply-Module-Converter-/282743159660?hash=item41d4ce3b6c" rel="noreferrer" target="_blank">https://www.ebay.com/itm/DC-3<wbr>-3V-3-7V-5V-6V-to-12V-DC-DC-Bo<wbr>ost-Step-up-Power-Supply-Modul<wbr>e-Converter-/282743159660?<wbr>hash=item41d4ce3b6c</a>><br>
<a href="http://www.canton-electronics.com/power-converter-modules-c-4/booster-power-modules-c-4_5/output-dc12v-c-4_5_15/dc-33v-37v-5v-6v-to-12v-boost-voltage-regulator-converter-stepup-power-supply-p-56.html?cPath=4_5_15" rel="noreferrer" target="_blank">http://www.canton-electronics.<wbr>com/power-converter-modules-c-<wbr>4/booster-power-modules-c-4_5/<wbr>output-dc12v-c-4_5_15/dc-33v-3<wbr>7v-5v-6v-to-12v-boost-voltage-<wbr>regulator-converter-stepup-<wbr>power-supply-p-56.html?cPath=<wbr>4_5_15</a><span class=""><br>
<<a href="http://www.canton-electronics.com/power-converter-modules-c-4/booster-power-modules-c-4_5/output-dc12v-c-4_5_15/dc-33v-37v-5v-6v-to-12v-boost-voltage-regulator-converter-stepup-power-supply-p-56.html?cPath=4_5_15" rel="noreferrer" target="_blank">http://www.canton-electronics<wbr>.com/power-converter-modules-<wbr>c-4/booster-power-modules-c-4_<wbr>5/output-dc12v-c-4_5_15/dc-<wbr>33v-37v-5v-6v-to-12v-boost-<wbr>voltage-regulator-converter-<wbr>stepup-power-supply-p-56.html?<wbr>cPath=4_5_15</a>><br>
který obsahuje obvod FP6291:<br>
<a href="http://www.feeling-tech.com.tw/km-master/front/bin/ptdetail.phtml?Part=PA-28" rel="noreferrer" target="_blank">http://www.feeling-tech.com.tw<wbr>/km-master/front/bin/ptdetail.<wbr>phtml?Part=PA-28</a><br>
<<a href="http://www.feeling-tech.com.tw/km-master/front/bin/ptdetail.phtml?Part=PA-28" rel="noreferrer" target="_blank">http://www.feeling-tech.com.t<wbr>w/km-master/front/bin/ptdetail<wbr>.phtml?Part=PA-28</a>><br>
<br>
IO jede od 2,6V, pevný PWM kmitočet 1MHz. Odběr DO je velmi malý,<br>
ale zajímá mě, zda jej nebude ten měnič rušit. Jaké dát na výstup<br>
ještě kondenzátory? Jsou tam 2 neznámé keramiky.<br>
<br>
-- Martin Hanek<br>
<br>
<br>
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