{"product_id":"accoppiatore-direzionale-divisore-di-potenza-filtro-per-radiofrequenza","title":"accoppiatore direzionale divisore di potenza\/filtro per radiofrequenza","description":"\u003cp\u003eaccoppiatore direzionale divisore di potenza\/filtro per radiofrequenza\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAIIAAgACAQQAA\"\u003eprodotto da \u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003eCOM-TECH\u003c\/strong\u003e, caratterizzato da connettori coassiali di tipo N e da specifiche tecniche scritte a mano o etichettate sul corpo (frequenza centrale F₀ = 1292.950 MHz, ovvero nella banda radioamatoriale dei 23 cm \/ UHF superiore).\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-inited=\"2\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwiBgf_n4YSYAxWyVqQEHXrlKj8Qi4wTegoIAggACAAIBRAA\" data-hveid=\"CAIIAAgACAUQAA\"\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"4\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=Emmufb_n\/fLk2Md\" data-sfc-root=\"c\" data-hveid=\"CAIIAAgACAUQAQ\"\u003eCaratteristiche principali visibili:\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwiBgf_n4YSYAxWyVqQEHXrlKj8Qi4wTegoIAggACAAIBhAB\" data-hveid=\"CAIIAAgACAYQAQ\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003eProduttore\u003c\/strong\u003e: COM-TECH\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwiBgf_n4YSYAxWyVqQEHXrlKj8Qi4wTegoIAggACAAIBhAD\" data-hveid=\"CAIIAAgACAYQAw\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003eNumero di serie (S\/N)\u003c\/strong\u003e: 12127\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwiBgf_n4YSYAxWyVqQEHXrlKj8Qi4wTegoIAggACAAIBhAF\" data-hveid=\"CAIIAAgACAYQBQ\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003eFrequenza centrale (F₀)\u003c\/strong\u003e: 1292.950 MHz\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwiBgf_n4YSYAxWyVqQEHXrlKj8Qi4wTegoIAggACAAIBhAH\" data-hveid=\"CAIIAAgACAYQBw\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003eAttenuazione \/ Accoppiamento\u003c\/strong\u003e: circa -40 dB (etichetta superiore) \/ -33 dB \/ -46 dB (annotazioni).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwiBgf_n4YSYAxWyVqQEHXrlKj8Qi4wTegoIAggACAAIBhAJ\" data-hveid=\"CAIIAAgACAYQCQ\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003eConnettori\u003c\/strong\u003e: Tipo N femmina\/maschio per impianti RF a radiofrequenza.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwiBgf_n4YSYAxWyVqQEHXrlKj8Qi4wTegoIAggACAAIBhAJ\" data-hveid=\"CAIIAAgACAYQCQ\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwiBgf_n4YSYAxWyVqQEHXrlKj8Qi4wTegoIAggACAAIBhAJ\" data-hveid=\"CAIIAAgACAYQCQ\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003c\/span\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"4\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=KmvvOe_13\/fLk2Md\" data-sfc-root=\"c\" data-hveid=\"CAAIEhAA\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003eMonitoraggio di potenza diretta e riflessa\u003c\/div\u003e\n\u003cul class=\"XSq4R KI3fJ\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIExAA\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIExAC\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003ePrelievo del campione di segnale\u003c\/strong\u003e. L'accoppiatore preleva una minima frazione della potenza che transita sulla linea principale (connettori N laterali) attenuandola di \u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e-40 dB\u003c\/strong\u003e (un decimillesimo della potenza totale) per inviarla in sicurezza a wattmetri, analizzatori di spettro o sistemi di telemetria.\u003c\/span\u003e\u003cspan\u003e [\u003ca href=\"https:\/\/com-tech.it\/directional-couplers-monitoring\/\"\u003e1\u003c\/a\u003e]\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIExAG\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eMisura del ROS (SWR)\u003c\/strong\u003e. Grazie alla direzionalità indicata dalle frecce sul telaio, permette di separare la potenza diretta (verso l'antenna) da quella riflessa (di ritorno dall'antenna).\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIExAJ\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eAllarme guasti antenna\u003c\/strong\u003e. In un ponte ripetitore a 1292.950 MHz, il segnale riflesso prelevato viene spesso usato per far scattare un circuito di protezione che abbassa la potenza del trasmettitore in caso di rottura del cavo o ghiaccio sull'antenna.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"4\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=KmvvOe_23\/fLk2Md\" data-sfc-root=\"c\" data-hveid=\"CAAIFBAA\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003e2. Analisi spettrale e collaudo in laboratorio\u003c\/div\u003e\n\u003cul class=\"XSq4R KI3fJ\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIFRAA\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIFRAC\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eVerifica della purezza spettrale\u003c\/strong\u003e. Consente di collegare un analizzatore di spettro direttamente alla linea di trasmissione ad alta potenza senza rischiare di bruciare l'ingresso dello strumento, verificando la presenza di armoniche o spurie attorno ai 1292.950 MHz.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIFRAF\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eSonde multiple \/ Filtraggio\u003c\/strong\u003e. I connettori aggiuntivi sulla parte inferiore indicano la presenza di risonatori a cavità o sonde multiple (come suggerito dai valori annotati \u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e-33 dB\u003c\/strong\u003e e \u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e-46 dB\u003c\/strong\u003e), utili per prelevare campioni con livelli diversi o per fornire un'uscita dedicata al controllo automatico di guadagno (AGC).\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"4\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=KmvvOe_2u\/fLk2Md\" data-sfc-root=\"c\" data-hveid=\"CAAIFhAA\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003e3. Impiego su ponti ripetitori (Banda 23 cm)\u003c\/div\u003e\n\u003cul class=\"XSq4R KI3fJ\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIFxAA\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIFxAC\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eFrequenza di ingresso\/uscita ripetitore\u003c\/strong\u003e. La frequenza \u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e1292.950 MHz\u003c\/strong\u003e rientra esattamente nella porzione di banda assegnata ai ponti ripetitori FM\/digitali in Italia e in Europa (spesso accoppiata con uno shift di -28 MHz rispetto ai 1320 MHz, oppure come frequenza di ingresso).\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAAIFxAD\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eTelemetria remota\u003c\/strong\u003e. Permette al gestore del ripetitore di monitorare a distanza lo stato di salute dello stadio finale di potenza senza interrompere il servizio.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"bolognaradio.net","offers":[{"title":"Default Title","offer_id":55791556297041,"sku":null,"price":120.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/9666\/7985\/files\/IMG_4205.jpg?v=1794566726","url":"https:\/\/www.bolognaradio.net\/products\/accoppiatore-direzionale-divisore-di-potenza-filtro-per-radiofrequenza","provider":"bolognaradio.net","version":"1.0","type":"link"}