{"id":644,"date":"2024-05-11T15:52:21","date_gmt":"2024-05-11T15:52:21","guid":{"rendered":"https:\/\/ecmicrophones.com\/?post_type=product&#038;p=644"},"modified":"2026-03-19T15:37:38","modified_gmt":"2026-03-19T07:37:38","slug":"9-7mm-cardioid-electret-microphone-for-automotive-use","status":"publish","type":"product","link":"https:\/\/ecmicrophones.com\/pt\/9-7mm-cardioid-electret-microphone-for-automotive-use\/","title":{"rendered":"Microfone de eletreto cardioide de 9,7 mm para uso automotivo"},"content":{"rendered":"<h2 class=\"text-start\">Destaques de aplicativos automotivos<\/h2>\n<p class=\"text-start\">\nO ECM-B9750UP-45 foi projetado especialmente para sistemas de intera\u00e7\u00e3o por voz em ve\u00edculos. Ele apresenta alta sensibilidade com consist\u00eancia apertada de \u00b11dB para um desempenho est\u00e1vel e uniforme - especialmente eficaz quando montado em consoles centrais ou m\u00f3dulos de painel.\n<\/p>\n<p class=\"text-start\">\nEsse microfone opera de forma confi\u00e1vel em condi\u00e7\u00f5es automotivas extremas, de -40\u00b0C a 85\u00b0C, e oferece excelente resist\u00eancia \u00e0 umidade, ao impacto mec\u00e2nico e \u00e0 EMI. Sua estrutura robusta inclui prote\u00e7\u00e3o contra descarga eletrost\u00e1tica (n\u00edvel 4) e mant\u00e9m o desvio de fase dentro de \u22643\u00b0, proporcionando uma captura de voz limpa e precisa para uma qualidade de som clara e natural.\n<\/p>\n<h2 class=\"text-start\">Especifica\u00e7\u00f5es t\u00e9cnicas<\/h2>\n<p class=\"text-start\">\nCriada para oferecer cancelamento de ru\u00eddo e resist\u00eancia a interfer\u00eancias superiores, a c\u00e1psula de microfone de eletreto unidirecional ECM-B9750UP-45 proporciona um desempenho de voz excepcional em ambientes automotivos. Sua configura\u00e7\u00e3o de 2 pinos permite uma integra\u00e7\u00e3o perfeita com diversos m\u00f3dulos de \u00e1udio e comunica\u00e7\u00e3o de ve\u00edculos.\n<\/p>\n<h3 class=\"pt-5 text-start\">Circuito de teste padr\u00e3o<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-647\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/standard-test-circuit_ecm-b9750up-45.png\" alt=\"Circuito de teste padr\u00e3o\" width=\"530\" height=\"266\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/standard-test-circuit_ecm-b9750up-45.png 530w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/standard-test-circuit_ecm-b9750up-45-300x151.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/standard-test-circuit_ecm-b9750up-45-18x9.png 18w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/p>\n<p>Testado com RL = 680\u03a9, Vs = 1,5V e C = 1\u03bcF.<\/p>\n<h3 class=\"pt-5 text-start\">Resposta de frequ\u00eancia t\u00edpica<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-648\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-b9750up-45.png\" alt=\"Resposta de frequ\u00eancia t\u00edpica\" width=\"845\" height=\"385\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-b9750up-45.png 845w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-b9750up-45-300x137.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-b9750up-45-768x350.png 768w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-b9750up-45-18x8.png 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/typical-frequency-response_ecm-b9750up-45-600x273.png 600w\" sizes=\"auto, (max-width: 845px) 100vw, 845px\" \/><\/p>\n<p>A resposta de frequ\u00eancia aumenta de forma constante de 100 Hz at\u00e9 cerca de 6 kHz, onde atinge o pico, e depois diminui gradualmente. Forte ganho em baixa frequ\u00eancia com flutua\u00e7\u00f5es moderadas nas faixas m\u00e9dia e alta.<\/p>\n<h3 class=\"pt-5 text-start\">Dimens\u00f5es (UNIDADE: mm)<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-649 size-large\" src=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/appearance-dimension_ecm-b9750up-45-1024x333.png\" alt=\"Dimens\u00e3o da apar\u00eancia\" width=\"1024\" height=\"333\" srcset=\"https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/appearance-dimension_ecm-b9750up-45-1024x333.png 1024w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/appearance-dimension_ecm-b9750up-45-300x98.png 300w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/appearance-dimension_ecm-b9750up-45-768x250.png 768w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/appearance-dimension_ecm-b9750up-45-18x6.png 18w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/appearance-dimension_ecm-b9750up-45-600x195.png 600w, https:\/\/ecmicrophones.com\/wp-content\/uploads\/2024\/05\/appearance-dimension_ecm-b9750up-45.png 1431w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>C\u00e1psula de \u03a69,7 \u00d7 5,0 mm com uma malha frontal contra poeira e porta ac\u00fastica traseira. Equipada com pinos de 2 mm, com espa\u00e7amento de 2,54 mm.<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1psula de microfone de eletreto unidirecional de 9,7 \u00d7 5 mm de grau automotivo com sensibilidade de -45 dB\u00b12, SNR de 58 dB e terminal de 2 pinos, projetada para m\u00f3dulos de controle de voz, infoentretenimento e comunica\u00e7\u00e3o em ve\u00edculos.<\/p>","protected":false},"featured_media":2591,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[721],"product_cat":[16,21],"product_tag":[282,229,291],"class_list":{"0":"post-644","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-ecmic","7":"product_cat-electret-microphones","8":"product_cat-unidirectional-microphones","9":"product_tag-9-7mm","10":"product_tag-equipment","11":"product_tag-pin-type","13":"first","14":"instock","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product\/644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/comments?post=644"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/media\/2591"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/media?parent=644"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_brand?post=644"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_cat?post=644"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/pt\/wp-json\/wp\/v2\/product_tag?post=644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}