安捷倫E4402B是ESA-E系列經(jīng)典通用型頻譜分析儀,頻率覆蓋9kHz~3GHz,適配主流低頻、射頻頻段測試需求,是電子研發(fā)、工業(yè)生產(chǎn)與設(shè)備運維的核心精密測試設(shè)備。儀器性能均衡穩(wěn)定,具備高精度幅度檢測能力,整體幅度誤差極小,搭配寬廣的動態(tài)范圍與優(yōu)異的相位噪聲指標(biāo),可精準(zhǔn)識別微弱信號、諧波雜散、頻段干擾及調(diào)制失真等各類頻譜異常問題。設(shè)備支持多檔位分辨率帶寬切換,掃描速度快、測量刷新率高,可滿足快速檢測與連續(xù)監(jiān)測的測試工況。
設(shè)備采用工業(yè)標(biāo)準(zhǔn)AC100~240V寬幅低壓市電供電,內(nèi)置穩(wěn)壓電源模塊,運行功耗低、供電穩(wěn)定,具備良好的環(huán)境適配性與抗干擾能力。整機(jī)為純電壓型信號采集設(shè)備,僅用于外部射頻信號采樣分析,無電壓與功率輸出功能,不具備PWM、PAW等電壓調(diào)節(jié)方式,結(jié)構(gòu)簡單且故障率低。設(shè)備采用開環(huán)控制模式,依托本地面板按鍵完成手動參數(shù)設(shè)置,同時支持遠(yuǎn)程程控操作,無信號反饋修正結(jié)構(gòu),響應(yīng)快速、操作便捷。
整機(jī)采用堅固便攜的臺式機(jī)架結(jié)構(gòu),機(jī)身緊湊耐用,既適配實驗室固定精密測試,也可滿足戶外現(xiàn)場檢修作業(yè)需求。儀器搭載高清顯示界面,操作邏輯簡潔,支持?jǐn)?shù)據(jù)統(tǒng)計、參數(shù)存儲與超限分析等功能,測試數(shù)據(jù)直觀精準(zhǔn)。憑借穩(wěn)定的性能與廣泛的頻段適配性,該設(shè)備廣泛應(yīng)用于無線通信設(shè)備調(diào)試、射頻元器件質(zhì)檢、廣電信號監(jiān)測、工控射頻設(shè)備維修及計量校準(zhǔn)等多個領(lǐng)域,是射頻基礎(chǔ)測試場景中通用性的精密儀器。
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