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id="yhov8vz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503264882813/3206863.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rlnu88d" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503264882813/3206863.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wf297cd" 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>紹興低功耗433無(wú)線通訊模塊銷售廠,433M無(wú)線通訊模塊</p><p><span>***更新：</span>2021-02-01 02:11:12</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="r3rdfj8" 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="qbmdk8f" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="87i8x8p" class="box"><p><p style="text-indent:25px">超外差接收機(jī)對(duì)天線的阻抗匹配要求較高，要求外接天線的阻抗必須是50歐姆的，否則對(duì)接收靈敏度有很大的影響，所以如果用1/4波長(zhǎng)的普通導(dǎo)線時(shí)應(yīng)為23厘米較佳，要盡可能減少天線根部到發(fā)射模塊天線焊接處的引線長(zhǎng)度，如果無(wú)法減小，可以用特性阻抗50歐姆的射頻同軸電纜連接（天線焊點(diǎn)右側(cè)有一個(gè)專門(mén)的接地焊點(diǎn)），紹興低功耗433無(wú)線通訊模塊銷售廠，紹興低功耗433無(wú)線通訊模塊銷售廠。XC4366是一種常用的單芯片超外差設(shè)備。它是一個(gè)真正的“從天線接收到數(shù)據(jù)輸出”的單片電路，紹興低功耗433無(wú)線通訊模塊銷售廠。所有的射頻和中頻的調(diào)諧都在集成電路里完成，這樣可以無(wú)須手動(dòng)調(diào)整并且降低成本。實(shí)現(xiàn)了一個(gè)高度可靠且低成本的解決方案。433m無(wú)線模塊可以應(yīng)用在智能開(kāi)關(guān)控制器中。紹興低功耗433無(wú)線通訊模塊銷售廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興低功耗433無(wú)線通訊模塊銷售廠,433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503264882813/3206863.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。紹興低功耗433無(wú)線通訊模塊銷售廠超外差接收模塊的工作穩(wěn)定可靠。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興低功耗433無(wú)線通訊模塊銷售廠,433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502805673828/9875741.png"></div><p style="text-indent:25px">433m無(wú)線模塊可以應(yīng)用在智能開(kāi)關(guān)控制器。智能開(kāi)關(guān)控制器除了保留傳統(tǒng)的手動(dòng)控制功能以外，還需要遠(yuǎn)程控制、電量計(jì)量、數(shù)據(jù)上傳等功能，滿足智能開(kāi)關(guān)在大型公共建筑物智能用電系統(tǒng)中的功能需要。433m無(wú)線模塊的應(yīng)用在生活中有很多，如電子玩具、安防監(jiān)控、工業(yè)控制、無(wú)人機(jī)飛行器、無(wú)線數(shù)據(jù)采集、表計(jì)產(chǎn)品、報(bào)警器、REID(電子價(jià)格標(biāo)簽)等行業(yè)或產(chǎn)品或領(lǐng)域，都用到433m無(wú)線模塊，其普遍性和重要性在某些領(lǐng)域甚至是不可替代的。433m無(wú)線模塊耗低，功能強(qiáng)大，被普遍應(yīng)用于機(jī)器人控制，智能家居，無(wú)線抄表等領(lǐng)域，產(chǎn)品是工業(yè)級(jí)設(shè)計(jì)。</p><p style="text-indent:25px">433m無(wú)線模塊用哪種天線？一般常用的無(wú)線模塊要求的天線阻抗為50歐姆，433無(wú)線模塊可使用通用的433MHz彈簧天線、彎頭/直頭棒狀天線、吸盤(pán)天線等，這些天線是為433MHz無(wú)線通信系統(tǒng)設(shè)計(jì)的**天線，天線駐波比性能好,結(jié)構(gòu)巧妙,安裝方便,性能穩(wěn)定,具有很好的防振動(dòng)和老化能力。用戶可根據(jù)自身的應(yīng)用環(huán)境來(lái)選購(gòu)天線，為了使模塊處于較佳工作現(xiàn)狀，如果實(shí)在不知道選什么樣的天線，更好購(gòu)買(mǎi)前咨詢聯(lián)系廠家?？蛻糍?gòu)買(mǎi)廠商銷售的433m無(wú)線發(fā)射模塊后，發(fā)現(xiàn)傳輸距離比產(chǎn)品介紹的距離要短，這樣可能導(dǎo)致無(wú)法正常使用。相信有經(jīng)驗(yàn)的人都知道，使用距離會(huì)比產(chǎn)品介紹的距離要短一些。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興低功耗433無(wú)線通訊模塊銷售廠,433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503446054688/5380704.png"></div><p style="text-indent:25px">433m無(wú)線模塊傳輸距離的影響:1、廠商產(chǎn)品介紹的傳輸距離，是在環(huán)境較好的空曠地嘗試的較準(zhǔn)確的數(shù)據(jù)，客戶買(mǎi)回來(lái)使用的環(huán)境干擾比較多，比如樓房墻壁、樹(shù)木等。提升傳輸距離的方法：傳輸距離不夠長(zhǎng)的時(shí)候，可以挑選一些障礙物較少的地方使用，以此達(dá)到增加距離的目的。2、電源在使用一段時(shí)間后，電壓會(huì)減少，導(dǎo)致傳輸距離減少。要想提升傳輸距離，可以更換一個(gè)電容量大電壓穩(wěn)定的電源。3、一些人為了減少傳輸時(shí)間，把433無(wú)線模塊的速率提升，導(dǎo)致傳輸距離減少。所以使用的時(shí)候可以把傳輸速率調(diào)低一些，這樣可以增加無(wú)線模塊傳輸距離。4、天線是影響模塊傳輸距離的因素之一，高增益天線可以讓距離傳輸更遠(yuǎn)，另外提升天線的架設(shè)高度，盡量保持天線離地面2米以上，這樣可以達(dá)到較好的傳輸距離。當(dāng)電壓大于12V時(shí)功耗增大，有效發(fā)射功率不再明顯提高。長(zhǎng)沙433m無(wú)線接收模塊銷售廠</p><p style="text-indent:25px">數(shù)據(jù)發(fā)射模塊是采用聲表諧振器SAW穩(wěn)頻，頻率穩(wěn)定度極高。紹興低功耗433無(wú)線通訊模塊銷售廠</p><p style="text-indent:25px">無(wú)線接收模塊的安裝使用：無(wú)線發(fā)射模塊建議要垂直安裝在主板的邊緣，應(yīng)離開(kāi)周?chē)骷?mm以上，以免受分布參數(shù)影晌。無(wú)線收發(fā)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，接收機(jī)的靈敏度，收發(fā)環(huán)境有關(guān)。一般在開(kāi)闊區(qū)較大發(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，無(wú)線收發(fā)模塊在不同的收發(fā)環(huán)境會(huì)有不同的收發(fā)距離。無(wú)線收發(fā)模塊具有芯片體積小，工業(yè)級(jí)的設(shè)計(jì)，傳輸速率高窄帶抗干擾性強(qiáng)，接收靈敏度高，功率大，傳輸穩(wěn)定可靠，距離遠(yuǎn)，wifi控制等特點(diǎn)。紹興低功耗433無(wú)線通訊模塊銷售廠</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3101206.html</p></div></div></div></div></div><div id="p97za9e" class="page-right twoColRt"><div id="7qbizdm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pl2ietf" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" 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