金華433m無(wú)線數(shù)傳模塊商家誠(chéng)信互利上海磐笙電子科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="433M無(wú)線模塊當(dāng)數(shù)據(jù)信號(hào)停止時(shí)發(fā)射電流降為零，數(shù)據(jù)信號(hào)與發(fā)射模塊輸入端可以用電阻或者直接連接而不能用電容耦合，否則發(fā)射模塊將不能正常工作。數(shù)據(jù)電平應(yīng)接近數(shù)據(jù)模塊的實(shí)際工作電壓，以獲得較高的調(diào)制效果。發(fā)射發(fā)射模塊應(yīng)垂直安裝在主板的邊緣，應(yīng)離"><meta name="keywords" content="金華433m無(wú)線數(shù)傳模塊商家,433M無(wú)線通訊模塊"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> 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class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_txcp/">通信產(chǎn)品</a>?<a href="http://www.cdcfah.com/cp/third-txcp_kctxcp/">庫(kù)存通訊產(chǎn)品</a>?金華433m無(wú)線數(shù)傳模塊商家誠(chéng)信互利上海磐笙電子科技供應(yīng)</p><div id="n7dzznj" class="leftbox clearfix"><h1>金華433m無(wú)線數(shù)傳模塊商家誠(chéng)信互利上海磐笙電子科技供應(yīng)</h1><div id="lvzvnrl" class="proBig"><div id="zlzn77d" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502851904297/7924238.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="phvplzn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502851904297/7924238.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="99fbfjl" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>金華433m無(wú)線數(shù)傳模塊商家,433M無(wú)線通訊模塊</p><p><span>***更新：</span>2021-01-29 03:11:56</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="zjfbnjf" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海磐笙電子科技有限公司</a></p><p><span>聯(lián)系人：</span>丁白蘭</p><p><span>郵箱: </span>258787059@qq.com</p><p><span>電話: </span>15002148001</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.panshion.cn</p><p><span>手機(jī): </span>021-31775145</p><p><span>地址: </span>羅城路530號(hào)住大商務(wù)樓A樓403室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="fjvrv7p" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="vbxtzvh" class="box"><p><p style="text-indent:25px">433M無(wú)線模塊當(dāng)數(shù)據(jù)信號(hào)停止時(shí)發(fā)射電流降為零，數(shù)據(jù)信號(hào)與發(fā)射模塊輸入端可以用電阻或者直接連接而不能用電容耦合，否則發(fā)射模塊將不能正常工作。數(shù)據(jù)電平應(yīng)接近數(shù)據(jù)模塊的實(shí)際工作電壓，以獲得較高的調(diào)制效果。發(fā)射發(fā)射模塊應(yīng)垂直安裝在主板的邊緣，應(yīng)離開(kāi)周圍器件5mm以上，以免受分布參數(shù)影晌，金華433m無(wú)線數(shù)傳模塊商家。模塊的傳輸距離與調(diào)制信號(hào)頻率及幅度，發(fā)射電壓及電池容量，發(fā)射天線，金華433m無(wú)線數(shù)傳模塊商家，接收機(jī)的靈敏度，金華433m無(wú)線數(shù)傳模塊商家，收發(fā)環(huán)境有關(guān)。一般在開(kāi)闊區(qū)發(fā)射距離約800米，在有障礙的情況下，距離會(huì)縮短，由于無(wú)線電信號(hào)傳輸過(guò)程中的折射和反射會(huì)形成一些死區(qū)及不穩(wěn)定區(qū)域，不同的收發(fā)環(huán)境會(huì)有不同的收發(fā)距離。433m無(wú)線模塊耗低，功能強(qiáng)大。金華433m無(wú)線數(shù)傳模塊商家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華433m無(wú)線數(shù)傳模塊商家,433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502851904297/7924238.png"></div><p style="text-indent:25px">隨著智能家居生活水平的提升，無(wú)線發(fā)射接收模塊被普遍應(yīng)用于各類電動(dòng)銀幕，電動(dòng)門窗，智能家居控制，智能家居防盜等場(chǎng)所。別看它只是一個(gè)小小的模塊，卻起著不可小覷的作用。用于組建星型拓?fù)浣Y(jié)構(gòu)的無(wú)線通訊網(wǎng)絡(luò)。并且必需是多點(diǎn)的星型拓?fù)浣Y(jié)構(gòu)，某些非凡場(chǎng)所需要無(wú)線通訊。一方面這種發(fā)射和接收模塊的價(jià)格低廉，構(gòu)成星型拓?fù)浣Y(jié)構(gòu)的費(fèi)用相對(duì)較低;另一方面這種發(fā)射和接收模塊可采用模塊化設(shè)計(jì)，體積小、使用方便、易于集成。對(duì)于通訊速度要求不太高、距離較近的無(wú)線網(wǎng)絡(luò)來(lái)說(shuō)，這種發(fā)射和接收模塊十分實(shí)用。金華433m無(wú)線收發(fā)模塊市面價(jià)天線性能的好壞直接影響通信系統(tǒng)的指標(biāo)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華433m無(wú)線數(shù)傳模塊商家,433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503233496094/747194.png"></div><p style="text-indent:25px">無(wú)線發(fā)射接收模塊是從事數(shù)字音頻無(wú)線傳輸、數(shù)字視頻無(wú)線傳輸、無(wú)線數(shù)據(jù)通信、無(wú)線傳輸系統(tǒng)、無(wú)線遙控和遙測(cè)系統(tǒng)、無(wú)線數(shù)據(jù)采集系統(tǒng)、無(wú)線網(wǎng)絡(luò)、無(wú)線安全防范系統(tǒng)等應(yīng)用中，無(wú)線收發(fā)電路的設(shè)計(jì)一直是無(wú)線應(yīng)用的一個(gè)瓶頸。無(wú)線收發(fā)模塊整合了高頻鍵控收發(fā)電路的功能，以特小體積更低成本實(shí)現(xiàn)高速數(shù)據(jù)傳輸?shù)墓δ?。無(wú)線發(fā)射模塊相對(duì)應(yīng)的接收模塊常用的有兩種：即超再生接收和超外差接收?！〕偕鷻z波電路實(shí)際上是一個(gè)受間歇振蕩?kù)澲频母哳l振蕩器，這個(gè)高頻振蕩器采用電容三點(diǎn)式振蕩器，振蕩頻率和發(fā)射器的發(fā)射頻率相一致。而間歇振蕩又是在高頻振蕩的振蕩過(guò)程中產(chǎn)生的，反過(guò)來(lái)又鞚制著高頻振蕩器的振蕩與間歇。而間歇振蕩的頻率是由電路的參數(shù)決定的(一般為1百到幾百千赫)。這個(gè)頻率選低了，電路的抗干擾性能較好，但接收靈敏度較低，反之，頻率選高，接收靈敏度較好，但抗干擾性能變差。</p><p style="text-indent:25px">無(wú)線發(fā)射模塊的抗干擾性能：它的主要優(yōu)點(diǎn)是它的抗干擾性能強(qiáng)。所謂抗干擾好,主要是指無(wú)線發(fā)射模塊在輸入信號(hào)噪聲比(簡(jiǎn)稱信噪比S/N)相同的條件下,無(wú)線發(fā)射模塊調(diào)頻接收機(jī)輸出端的信噪比大于調(diào)幅接收機(jī)輸出端的信噪比。無(wú)線發(fā)射模塊采用的是聲表諧振器SAW穩(wěn)頻，無(wú)線發(fā)射模塊頻率穩(wěn)定度極高，具有極高性價(jià)比，無(wú)線發(fā)射模塊有完善的抗靜電保護(hù)，在行業(yè)中有相當(dāng)好的作用。用戶在選擇無(wú)線發(fā)射模塊時(shí),一定要注意自己的產(chǎn)品是應(yīng)用于較復(fù)雜的環(huán)境,還是較簡(jiǎn)單的環(huán)境,產(chǎn)品的使用壽命周期等。如產(chǎn)品要穩(wěn)定性和一致性好,都要選擇超外差無(wú)線發(fā)射模塊.如果用戶產(chǎn)品使用周期短,如遙控玩具,電單車報(bào)警等低價(jià)產(chǎn)品為了節(jié)約成本,可選擇超再生無(wú)線發(fā)射模塊。433M無(wú)線通訊模塊的體積小便于安裝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華433m無(wú)線數(shù)傳模塊商家,433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503381767578/745584.png"></div><p style="text-indent:25px">由于433M無(wú)線模塊的接收靈敏度高，繞射性能好，我們一般使用433MHz無(wú)線模塊來(lái)實(shí)現(xiàn)主從模式的通信系統(tǒng)當(dāng)中。這樣主從拓?fù)浣Y(jié)構(gòu)其實(shí)就是一個(gè)智能家居，它具有網(wǎng)絡(luò)結(jié)構(gòu)簡(jiǎn)單，布局容易，上電時(shí)間短的優(yōu)勢(shì)。433M無(wú)線模塊的工作頻率為315M，采用聲表諧振器SAW穩(wěn)頻，頻率穩(wěn)定度極高，當(dāng)環(huán)境溫度在-25～+85度之間變化時(shí)，頻飄*為3ppm/度。?發(fā)射技術(shù)指標(biāo)?1、通訊方式：調(diào)幅AM 2、工作頻率：315MHz/433MHz 3、頻率穩(wěn)定度：±75kHz 4、發(fā)射功率：≤500mW 5、靜態(tài)電流：≤0.1μA?6、發(fā)射電流：3～50mA?7、工作電壓：DC?3～12V。433M無(wú)線模塊特別適合多發(fā)一收無(wú)線遙控及數(shù)據(jù)傳輸系統(tǒng)。聲表諧振器的頻率穩(wěn)定度*次于晶體，而一般的LC振蕩器頻率穩(wěn)定度及一致性較差，即使采用***微調(diào)電容，溫差變化及振動(dòng)也很難保證已調(diào)好的頻點(diǎn)不會(huì)發(fā)生偏移。當(dāng)數(shù)據(jù)信號(hào)停止時(shí)發(fā)射電流降為零，數(shù)據(jù)信號(hào)與發(fā)射模塊輸入端可以用電阻或者直接連接。金華433m無(wú)線數(shù)傳模塊商家</p><p style="text-indent:25px">無(wú)線發(fā)射接收模塊還可以用于通用串口(RS232無(wú)線數(shù)據(jù)傳輸。金華433m無(wú)線數(shù)傳模塊商家</p><p style="text-indent:25px">無(wú)線收發(fā)模塊在智能家居中也經(jīng)常接觸到，那么到底有哪些無(wú)線收發(fā)模塊呢，如何正確安裝使用呢?無(wú)線收發(fā)模塊的工作頻率為315MHz或者433MHz(也有其他的特殊頻率)，采用聲表諧振器SAW穩(wěn)頻，頻率穩(wěn)定度極高，當(dāng)環(huán)境溫度在-25～+85度之間變化時(shí)，頻飄*為3ppm/度。特別適合多發(fā)一收無(wú)線遙控及數(shù)據(jù)傳輸系統(tǒng)。聲表諧振器的頻率穩(wěn)定度*次于晶體，而一般的LC振蕩器頻率穩(wěn)定度及一致性較差，即使采用***微調(diào)電容，溫差變化及振動(dòng)也很難保證已調(diào)好的頻點(diǎn)不會(huì)發(fā)生偏移。無(wú)線收發(fā)模塊采用ASK方式調(diào)制，以降低功耗，當(dāng)數(shù)據(jù)信號(hào)停止時(shí)發(fā)射電流降為零，數(shù)據(jù)信號(hào)與發(fā)射模塊輸入端可以用電阻或者直接連接而不能用電容耦合，否則發(fā)射模塊將不能正常工作。數(shù)據(jù)電平應(yīng)接近數(shù)據(jù)模塊的實(shí)際工作電壓，以獲得較高的調(diào)制效果。金華433m無(wú)線數(shù)傳模塊商家</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3057496.html</p></div></div></div></div></div><div id="vxb9nz7" class="page-right twoColRt"><div id="f9rnjnr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="x7t7vzl" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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