{"product_id":"diy-otl-discrete-component-power-amplifier-kit-electronic-production-kit","title":"DIY OTL Discrete Component Power Amplifier Kit Electronic Production Kit","description":"\u003cdiv style=\"color: rgb(0, 0, 0); font-family: Arial, Verdana, sans-serif;  font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style=\"color: rgb(0, 0, 0); font-family: Arial, Verdana, sans-serif;  font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;\"\u003e \u003c\/div\u003e\u003cdiv style=\"color: rgb(0, 0, 0); font-family: Arial, Verdana, sans-serif;  font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;\"\u003e\n\u003cspan style=\"font-size:14px;\"\u003eQ1 is an excitation amplifier, which gives enough driving signal to the output stage of power amplification; R1 and RP2 are the bias resistors of Q1; R3, D1 and RP3 are connected in series on Q1 collector circuit to provide bias for Q3, so that it can be in the micro-conduction state in static state to eliminate cross-over distortion; C3 is the damping capacitor to eliminate the self-excitation that the circuit may produce; 2. Q3 is a complementary symmetrical push-pull power amplifier, which constitutes the output stage of power amplification. C2 and R4 are \"bootstrap circuits\" and R4 are current limiting resistors.\u003c\/span\u003e\u003cbr\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eInput voltage: DC 4-12V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eSpeaker: 0.5W-10W\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eCircuit board size: 4.6 x 3.7CM;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eThe circuit is a classical analog electronic circuit, which is full of knowledge and fun to make.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"color: rgb(0, 0, 0); font-family: Arial, Verdana, sans-serif;  font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;\"\u003e \u003c\/div\u003e\u003cdiv style=\"color: rgb(0, 0, 0); font-family: Arial, Verdana, sans-serif;  font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px;\"\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px;\"\u003e1 x DIY OTL Discrete Component Power Amplifier Kit\u003c\/span\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/84\/CE\/0391fc71-bc8b-436e-a386-46c2713e2a10.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/4F\/70\/4165ceac-c413-4693-af78-db05b613eb61.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/EC\/3B\/3f76f464-6ac5-4bc4-908c-8e4e93fc7d17.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/36\/38\/0c77d8ef-c817-480c-b088-0a442e217b32.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/56\/5E\/9522925e-e9f8-4262-840b-4c8eec973ce6.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/D3\/24\/8d371229-c704-4b73-9da7-25e58c6610a5.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/A9\/1B\/d6e1276a-a576-409f-a25c-78e2e63fe5a2.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/FA\/C6\/1bd3a0a6-ae6c-4869-becb-98c568d918bb.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/29\/DF\/0292d0ce-6fd3-4762-a62b-8cd181946ea3.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/img.staticbg.com\/images\/oaupload\/banggood\/images\/E8\/DE\/fb869375-fe91-48d6-b1d8-ff57b0876c5c.JPG\"\u003e","brand":"Shopify","offers":[{"title":"Title","offer_id":32129052180570,"sku":"1395269","price":750.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/0391fc71-bc8b-436e-a386-46c2713e2a10_14457516-bb04-447f-aeba-f584997d6cfa.jpg?v=1587138530","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/diy-otl-discrete-component-power-amplifier-kit-electronic-production-kit","provider":"Electronic Pro ","version":"1.0","type":"link"}