{"id":136,"date":"2020-03-15T09:52:01","date_gmt":"2020-03-15T08:52:01","guid":{"rendered":"http:\/\/sq7hjb.pl\/?page_id=136"},"modified":"2021-02-22T20:37:05","modified_gmt":"2021-02-22T19:37:05","slug":"bias-tee","status":"publish","type":"page","link":"http:\/\/sq7hjb.pl\/index.php\/bias-tee\/","title":{"rendered":"Bias Tee"},"content":{"rendered":"\n<p class=\"has-black-color has-white-background-color has-text-color has-background\">C\u00f3\u017c to takiego? To tr\u00f3jnik s\u0142u\u017c\u0105cy do dostarczania napi\u0119cia sta\u0142ego do obwod\u00f3w RF.  Przy pomocy przewodu koncentrycznego mo\u017cemy zasila\u0107 obw\u00f3d elektroniczny np. antena aktywna ,przedwzmacniacz.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee_s.jpg\" alt=\"biastee_schemat\" class=\"wp-image-144\"\/><\/figure>\n\n\n\n<p>Napi\u0119cie podane z wej\u015bcia +V przez bezpiecznik i cewk\u0119 L1 trafia do portu DC+RF.  Z tego portu mo\u017ce by\u0107 przes\u0142ane przewodem koncentrycznym do zasilanego uk\u0142adu. Kondensator C3 nie pozwala na pojawienie si\u0119 napi\u0119cia sta\u0142ego na porcie RF. Ten port mo\u017ce by\u0107 pod\u0142\u0105czony np. do odbiornika.<\/p>\n\n\n\n<p>Dioda D1 oraz bezpiecznik polimerowy  B1 zabezpieczaj\u0105 zasilane urz\u0105dzenie przed odwrotnym pod\u0142\u0105czeniem zasilania. Warto\u015b\u0107 napi\u0119cia i pr\u0105du, kt\u00f3ry mo\u017ce przenosi\u0107 tr\u00f3jnik jest uzale\u017cniona od  zastosowanych element\u00f3w.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee.jpg\" alt=\"\" class=\"wp-image-140\" width=\"453\" height=\"372\" srcset=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee.jpg 905w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee-300x247.jpg 300w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee-768x631.jpg 768w\" sizes=\"auto, (max-width: 453px) 100vw, 453px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biasee2-2-1024x956.jpg\" alt=\"\" class=\"wp-image-142\" width=\"453\" height=\"478\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biasee2-1-1024x783.jpg\" alt=\"\" class=\"wp-image-141\" width=\"453\" srcset=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biasee2-1-1024x783.jpg 1024w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biasee2-1-300x230.jpg 300w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biasee2-1-768x588.jpg 768w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biasee2-1-1536x1175.jpg 1536w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biasee2-1.jpg 2047w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Warto\u015bci zastosowanych element\u00f3w:<\/p>\n\n\n\n<p>L1- 82uH<\/p>\n\n\n\n<p>C2,c3- 1uF<\/p>\n\n\n\n<p>C1- 100pF<\/p>\n\n\n\n<p>B1 &#8211; bezpiecznik polimerowy 350mA<\/p>\n\n\n\n<p>D1 &#8211; dioda smd 1A\/200V &#8211; M3<\/p>\n\n\n\n<p>Gniazdo zasilaj\u0105ce FC68145 <\/p>\n\n\n\n<p>Pomiar w zakresie 10kHz &#8211; 1MHz<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"736\" src=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee1-1024x736.png\" alt=\"\" class=\"wp-image-156\" srcset=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee1-1024x736.png 1024w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee1-300x216.png 300w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee1-768x552.png 768w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee1.png 1292w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Pomiar w zakresie 10kHz &#8211; 4,4GHz.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"736\" src=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee2-1024x736.png\" alt=\"\" class=\"wp-image-155\" srcset=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee2-1024x736.png 1024w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee2-300x216.png 300w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee2-768x552.png 768w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2020\/03\/biastee2.png 1292w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Z wykres\u00f3w wynika, \u017ce z powodzeniem mo\u017ce pracowa\u0107 od 100kHz do 4GHz<\/p>\n\n\n\n<p class=\"has-primary-color has-white-background-color has-text-color has-background\"><strong>Huta D\u0142utowska 15.03.2020<\/strong><\/p>\n\n\n\n<p>Poni\u017cej pcb bias-t w wersji dla gniazd sma montowanych na kraw\u0119dzi. Jest te\u017c kilka delikatnych zmian w uk\u0142adzie \u015bcie\u017cek i zastosowanych element\u00f3w. Za\u0142o\u017ceniem by\u0142 uzyskanie jak najmniejszego t\u0142umienia od strony niskich cz\u0119stotliwo\u015bci. Cel zosta\u0142 osi\u0105gni\u0119ty.  Okaza\u0142o si\u0119 r\u00f3wnie\u017c, \u017ce poprawnie pracuje do 1,5GHz. Napi\u0119cie i pr\u0105d jakie mo\u017ce dostarcza\u0107 p\u0142ytka zale\u017c\u0105 od zastosowanych element\u00f3w. Napi\u0119cie jest zale\u017cne od zastosowanych kondensator\u00f3w, a pr\u0105d jest  zale\u017cny od zastosowanego d\u0142awika i bezpiecznika polimerowego. Zazwyczaj s\u0105 to napi\u0119cia na poziomie kilkunastu V oraz pr\u0105dy o wielko\u015bci kilkuset mA.<br>Poni\u017cej fotka i pomiary.<br><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"569\" class=\"wp-image-484\" style=\"width: 640px;\" src=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/bias_sma.jpg\" alt=\"\" srcset=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/bias_sma.jpg 1399w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/bias_sma-300x267.jpg 300w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/bias_sma-1024x910.jpg 1024w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/bias_sma-768x682.jpg 768w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><br><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"460\" class=\"wp-image-487\" style=\"width: 640px;\" src=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma3.png\" alt=\"\" srcset=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma3.png 1292w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma3-300x216.png 300w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma3-1024x736.png 1024w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma3-768x552.png 768w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><br><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"460\" class=\"wp-image-486\" style=\"width: 640px;\" src=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma2.png\" alt=\"\" srcset=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma2.png 1292w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma2-300x216.png 300w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma2-1024x736.png 1024w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma2-768x552.png 768w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><br><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"460\" class=\"wp-image-485\" style=\"width: 640px;\" src=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma1.png\" alt=\"\" srcset=\"http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma1.png 1292w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma1-300x216.png 300w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma1-1024x736.png 1024w, http:\/\/sq7hjb.pl\/wp-content\/uploads\/2021\/02\/biast_sma1-768x552.png 768w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n\n\n\n<p class=\"has-primary-color has-text-color\"><strong>aktualizacja<\/strong> <strong>Huta D\u0142utowska 22.02.2021<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f3\u017c to takiego? To tr\u00f3jnik s\u0142u\u017c\u0105cy do dostarczania napi\u0119cia sta\u0142ego do obwod\u00f3w RF. Przy pomocy przewodu koncentrycznego mo\u017cemy zasila\u0107 obw\u00f3d<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-136","page","type-page","status-publish","hentry","comments-off"],"_links":{"self":[{"href":"http:\/\/sq7hjb.pl\/index.php\/wp-json\/wp\/v2\/pages\/136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sq7hjb.pl\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/sq7hjb.pl\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/sq7hjb.pl\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/sq7hjb.pl\/index.php\/wp-json\/wp\/v2\/comments?post=136"}],"version-history":[{"count":14,"href":"http:\/\/sq7hjb.pl\/index.php\/wp-json\/wp\/v2\/pages\/136\/revisions"}],"predecessor-version":[{"id":490,"href":"http:\/\/sq7hjb.pl\/index.php\/wp-json\/wp\/v2\/pages\/136\/revisions\/490"}],"wp:attachment":[{"href":"http:\/\/sq7hjb.pl\/index.php\/wp-json\/wp\/v2\/media?parent=136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}