ATA-M系列是一款理(li)想(xiang)的(de)單通(tong)道功(gong)率放大器。最大輸出690Vrms電壓，800VA功(gong)率，可驅動(dong)0~100%的(de)阻性(xing)或非阻性(xing)負載。輸出阻抗匹配(pei)多(duo)個檔位(wei)可選，客戶可根據測試需求調節。

　　圖：ATA-M系列功率放大器

　　國產品牌安泰電(dian)子(zi)自主研發的(de)(de)ATA-M系(xi)列(lie)功(gong)率(lv)放大(da)器產品對標國外知名品牌，能夠滿(man)足(zu)不同(tong)用戶的(de)(de)電(dian)子(zi)測試(shi)需求。ATA-M系(xi)列(lie)功(gong)率(lv)放大(da)器的(de)(de)型號包括：ATA-M2功(gong)率(lv)放大(da)器、M4功(gong)率(lv)放大(da)器、M8功(gong)率(lv)放大(da)器。

　　一、ATA-M系列功(gong)率放(fang)大器適用高校(xiao)-海洋學院

　　應用場景：海洋洋流、溫(wen)度監測

　　典型案(an)例(li)：功率(lv)放(fang)大器在平面(mian)水聲(sheng)壓電換能器研究中的(de)應用(yong)

　　搭建(jian)實驗系統(tong)，系統(tong)主要由(you)發(fa)(fa)(fa)射(she)端(duan)(duan)(duan)和接(jie)(jie)收(shou)(shou)(shou)(shou)端(duan)(duan)(duan)兩部分構成，并(bing)在海(hai)水(shui)介(jie)質中(zhong)通過超(chao)聲波(bo)信(xin)號(hao)(hao)(hao)將(jiang)兩部分耦合起來。在發(fa)(fa)(fa)射(she)端(duan)(duan)(duan)，信(xin)號(hao)(hao)(hao)發(fa)(fa)(fa)生器(qi)(qi)提供與發(fa)(fa)(fa)射(she)換(huan)能(neng)器(qi)(qi)諧振頻率相(xiang)同的(de)正弦波(bo)信(xin)號(hao)(hao)(hao)，經(jing)功率放(fang)大器(qi)(qi)放(fang)大后驅動發(fa)(fa)(fa)射(she)換(huan)能(neng)器(qi)(qi)，通過逆(ni)壓(ya)電(dian)(dian)(dian)效應(ying)將(jiang)高頻電(dian)(dian)(dian)信(xin)號(hao)(hao)(hao)轉(zhuan)換(huan)為(wei)超(chao)聲信(xin)號(hao)(hao)(hao)，并(bing)在海(hai)水(shui)介(jie)質中(zhong)定向傳輸(shu)。在超(chao)聲波(bo)輻射(she)方向上，正對著(zhu)發(fa)(fa)(fa)射(she)換(huan)能(neng)器(qi)(qi)放(fang)置與發(fa)(fa)(fa)射(she)端(duan)(duan)(duan)諧振頻率一致的(de)接(jie)(jie)收(shou)(shou)(shou)(shou)換(huan)能(neng)器(qi)(qi)。在接(jie)(jie)收(shou)(shou)(shou)(shou)端(duan)(duan)(duan)，由(you)輻射(she)到接(jie)(jie)收(shou)(shou)(shou)(shou)換(huan)能(neng)器(qi)(qi)端(duan)(duan)(duan)面的(de)超(chao)聲能(neng)量使壓(ya)電(dian)(dian)(dian)材料產(chan)生機(ji)械振動，并(bing)將(jiang)機(ji)械能(neng)轉(zhuan)化為(wei)電(dian)(dian)(dian)能(neng)，從而為(wei)接(jie)(jie)收(shou)(shou)(shou)(shou)端(duan)(duan)(duan)負載供電(dian)(dian)(dian)。通常接(jie)(jie)收(shou)(shou)(shou)(shou)換(huan)能(neng)器(qi)(qi)產(chan)生的(de)電(dian)(dian)(dian)信(xin)號(hao)(hao)(hao)為(wei)震(zhen)蕩(dang)的(de)正弦交流電(dian)(dian)(dian)，在實際(ji)應(ying)用中(zhong)黑在負載前端(duan)(duan)(duan)加(jia)入濾波(bo)、整流和穩壓(ya)電(dian)(dian)(dian)路。

　　典型案例：功率放大器基于通道接收(shou)和發(fa)射的(de)水聲通信機的(de)應用

　　利(li)用(yong)Matlab軟件(jian)生(sheng)成波(bo)(bo)(bo)形數(shu)據(ju)(ju)(ju)，即(ji)產生(sheng)16位寬度(du)的(de)12kH正弦波(bo)(bo)(bo)的(de)波(bo)(bo)(bo)形數(shu)據(ju)(ju)(ju)，接(jie)(jie)著把該波(bo)(bo)(bo)形數(shu)據(ju)(ju)(ju)轉(zhuan)成mif文件(jian)。可(ke)以(yi)通(tong)(tong)(tong)過FPGA序利(li)用(yong)mif文件(jian)將波(bo)(bo)(bo)形數(shu)據(ju)(ju)(ju)輸入到數(shu)模轉(zhuan)換器(qi)(qi)DAC8814中(zhong)，來產生(sheng)實(shi)際的(de)12kHz正弦波(bo)(bo)(bo)波(bo)(bo)(bo)形。該模擬波(bo)(bo)(bo)形再(zai)經過水(shui)聲(sheng)(sheng)率放(fang)大器(qi)(qi)與阻抗匹配網絡放(fang)大，最終在水(shui)聲(sheng)(sheng)換能器(qi)(qi)中(zhong)轉(zhuan)化成聲(sheng)(sheng)音信(xin)號。把發射(she)機通(tong)(tong)(tong)道(dao)1和通(tong)(tong)(tong)道(dao)2同時連接(jie)(jie)到水(shui)聲(sheng)(sheng)換能器(qi)(qi)，再(zai)用(yong)示波(bo)(bo)(bo)器(qi)(qi)分別觀(guan)察兩個通(tong)(tong)(tong)道(dao)的(de)輸出信(xin)號，以(yi)驗證(zheng)雙通(tong)(tong)(tong)道(dao)發射(she)的(de)功(gong)能并測(ce)量最大功(gong)率。

　　如果您(nin)對功率放(fang)大器的指標參數(shu)或者應用(yong)還有(you)什么不懂的，歡(huan)迎隨(sui)時咨詢，安(an)泰電子提(ti)供免費(fei)樣機試用(yong)和(he)按(an)需(xu)定制(zhi)服(fu)務，滿足您(nin)的所有(you)電測需(xu)求。