{"product_id":"iwistao-ha12016-fm-stereo-decoder-board-mpx-composite-to-l-r-audio-for-if-amplifier-hifi-diy","title":"IWISTAO HA12016 FM Stereo Decoder Board MPX Composite to L\/R Audio for IF Amplifier HiFi DIY","description":"\u003ch1 class=\"p1\" style=\"text-align: center;\"\u003e\u003cb\u003eIWISTAO HA12016 FM Stereo Decoder Board MPX Composite to L\/R Audio for IF Amplifier HiFi DIY\u003c\/b\u003e\u003c\/h1\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch2 class=\"p1\"\u003eModel No: WHFMDM-HA12016\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe \u003cspan class=\"s1\"\u003e\u003cb\u003eHA12016 FM Stereo Decoder PCBA Board\u003c\/b\u003e\u003c\/span\u003e is a fully assembled analog FM multiplex decoding module designed for DIY Hi-Fi tuners, vintage receiver restoration, and custom FM radio projects.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1105\/6138\/files\/WHFDM-HA12016_2l_3806acb4-5ff0-457d-a95b-beb1997a4945.jpg?v=1788944312\" alt=\"IWISTAO HA12016 FM Stereo Decoder Board MPX Composite to L\/R Audio for IF Amplifier HiFi DIY 1\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1105\/6138\/files\/WHFMDM-HA12O16_3l.jpg?v=1788944285\" alt=\"IWISTAO HA12016 FM Stereo Decoder Board MPX Composite to L\/R Audio for IF Amplifier HiFi DIY 2\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"p2\" style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003eBuilt around the classic \u003cspan class=\"s1\"\u003e\u003cb\u003eHitachi HA12016 PLL stereo decoder IC\u003c\/b\u003e\u003c\/span\u003e, the board accepts a composite FM multiplex signal from an FM discriminator stage and converts it into separate left and right analog audio channels.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt around the classic \u003cspan class=\"s1\"\u003e\u003cb\u003eHitachi HA12016\u003c\/b\u003e\u003c\/span\u003e FM stereo multiplex decoder IC\u003c\/li\u003e\n\u003cli\u003ePLL-based analog FM stereo decoding\u003c\/li\u003e\n\u003cli\u003eAccepts standard FM composite MPX signal\u003c\/li\u003e\n\u003cli\u003eSeparate left and right analog audio outputs\u003c\/li\u003e\n\u003cli\u003eTypical stereo channel separation of approximately \u003cspan class=\"s1\"\u003e\u003cb\u003e55 dB at 1 kHz\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eTypical stereo THD of approximately \u003cspan class=\"s1\"\u003e\u003cb\u003e0.025% at 1 kHz\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003eAdjustable \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003cb\u003e76 kHz VCO\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdjustable stereo channel separation\u003c\/li\u003e\n\u003cli\u003eStereo indicator function supported\u003c\/li\u003e\n\u003cli\u003eManual mono control supported\u003c\/li\u003e\n\u003cli\u003eFully analog signal path with no DSP or digital processing\u003c\/li\u003e\n\u003cli\u003eSuitable for traditional \u003cspan class=\"s1\"\u003e\u003cb\u003e10.7 MHz FM IF + discriminator\u003c\/b\u003e\u003c\/span\u003e tuner systems\u003c\/li\u003e\n\u003cli\u003eSuitable for vintage tuner restoration and DIY Hi-Fi FM projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSignal Connection\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eThe board is designed to operate after the FM discriminator or detector stage:\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eFM Front End → 10.7 MHz IF → FM Discriminator → Composite MPX Output → HA12016 Decoder Board → Left \/ Right Audio Output\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe MPX input must contain the complete FM stereo composite signal, including the L+R baseband audio, 19 kHz stereo pilot, and the multiplexed L−R information.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe input should therefore be taken from the \u003cspan class=\"s1\"\u003e\u003cb\u003ecomposite MPX output before de-emphasis\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eAdjustable 76 kHz VCO\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eThe HA12016 uses a traditional PLL stereo decoding architecture with an adjustable internal VCO.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe VCO can be calibrated to approximately \u003cspan class=\"s1\"\u003e\u003cb\u003e76 kHz\u003c\/b\u003e\u003c\/span\u003e for accurate recovery of the 19 kHz pilot and 38 kHz switching reference used in stereo demodulation.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThis adjustable design is particularly suitable for vintage Hi-Fi tuner restoration and DIY projects where precise analog alignment is preferred.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eStereo Separation Adjustment\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eThe board provides stereo separation adjustment to minimize left-to-right and right-to-left crosstalk.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eWith a suitable FM stereo generator or MPX test source, the separation control can be optimized for improved stereo imaging and channel isolation.\u003cspan class=\"s1\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eOperating Voltage:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e AC 12 V\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eBoard Size:\u003c\/b\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e 85 × 55 mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eApplications\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDIY FM stereo tuners\u003c\/li\u003e\n\u003cli\u003eVintage tuner restoration\u003c\/li\u003e\n\u003cli\u003eFM receiver repair and upgrade\u003c\/li\u003e\n\u003cli\u003eAnalog Hi-Fi audio projects\u003c\/li\u003e\n\u003cli\u003eTube amplifier FM front-end projects\u003c\/li\u003e\n\u003cli\u003eLaboratory and educational use\u003c\/li\u003e\n\u003cli\u003eCustom radio equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eRecommended Output Processing\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p4\"\u003eFor optimum audio performance, the left and right outputs may be followed by:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e19 kHz pilot suppression\u003c\/li\u003e\n\u003cli\u003e38 kHz carrier suppression\u003c\/li\u003e\n\u003cli\u003e50 µs de-emphasis for many European and Asian FM systems\u003c\/li\u003e\n\u003cli\u003e75 µs de-emphasis for North American FM systems\u003c\/li\u003e\n\u003cli\u003eAudio buffer or line amplifier\u003c\/li\u003e\n\u003cli\u003eOptional ADC \/ DSP processing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003ePower Supply\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eThe board is designed for \u003cspan class=\"s1\"\u003e\u003cb\u003eAC 12 V input\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eA suitable low-noise AC transformer supply is recommended. Good grounding and short signal wiring can help reduce hum and interference.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003ePackage Includes\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e1 × HA12016 FM Stereo Decoder PCBA Board\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eImportant Note\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eThis board requires a proper \u003cspan class='\\\"s1\\\"'\u003e\u003cb\u003eFM composite MPX signal\u003c\/b\u003e\u003c\/span\u003e from a discriminator or detector stage.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eIt cannot directly decode a \u003cspan class='\\\"s1\\\"'\u003e\u003cb\u003e10.7 MHz IF signal\u003c\/b\u003e\u003c\/span\u003e without a preceding FM discriminator circuit.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eFor optimum performance, proper VCO alignment and stereo separation adjustment are recommended.\u003c\/p\u003e","brand":"IWISTAO HIFI MINIMART","offers":[{"title":"Default Title","offer_id":45464811896947,"sku":"WHFMDM-HA12016","price":18.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1105\/6138\/files\/WHFDM-HA12016_2l_3806acb4-5ff0-457d-a95b-beb1997a4945.jpg?v=1788944312","url":"https:\/\/iwistao.com\/en-gb\/products\/iwistao-ha12016-fm-stereo-decoder-board-mpx-composite-to-l-r-audio-for-if-amplifier-hifi-diy","provider":"IWISTAO HIFI MINIMART","version":"1.0","type":"link"}