天津德力儀器設備有限公司

DR2800 數字音頻廣播(CDR)頻譜分析儀

產品簡介

DR2800 系列產品是用于測試無線廣播信號的儀器，硬件基于快速、高性能的手持頻譜分析儀平臺，有高達 80dB 的動態范圍；支持 AM，FM，CDR 信號的分析，解調。

AM 信號：可以測試信號的電平，中心頻率誤差，支持音頻信號的輸出，錄制。

FM 信號：可以測試信號的電平，中心頻率誤差，FM 頻偏，支
持音頻信號輸出，錄制。CDR 信號：可以測試信號的 MER、LDPC 錯誤數，星座圖分析，回波分析，頻譜模板測試，DRA+ 音頻信號的輸出，聲音錄制，

DRA+ 傳輸流的碼流分析。WiFi 信號：簡易的 WiFi 分析，支持 802.11a/b/g/n，2.4G 和5G 兩個頻段。

產品特點
? 頻譜分析功能（500kHz~2150MHz）
? CDR 信號分析，聲音的解調和錄制
? CDR 信號碼流分析
? CDR 信號頻譜模板、回波分析
? 支持 FM 信號分析和聲音解調
? 支持 AM 信號分析和聲音解調

DR2800-PRO 支持 CDR 的信號分析?？梢詼y量 CDR 信號的平均功率，星座圖，進行碼流分析?？梢詼y量 CDR 發射信號的頻譜模板?？梢詫?CDR 無線發射信號進行回波分析。

技術參數

功能選件列表

序號	選件名稱	DR2800-Pro	DR2800	訂貨信息
1	CDR 廣播測試	■	■
2	CDR 音頻節目監聽和錄制	■	■
3	調頻（FM）廣播測試	■	■
4	中波（AM）廣播測試	■	□	2110.2800.14
5	CDR 頻譜模板分析	■	□	2110.2800.09
6	CDR 多徑（回波）分析	■	□	2110.2800.10
7	路測	■	□	2110.2800.11（路測功能） 2110.2800.17（路測分析軟件） 2121.8000.28（GPS 接收機
8	模擬電視測試	■	×

× 表示不可選 / □表示可選 / ■表示標配

產品指標

頻譜分析
頻率范圍	DR2800-PRO：500kHz ~ 2150MHz；DR2800：500kHz ~ 108MHz
掃描時間	20ms ~ 25s
輸入電平范圍	-107dBm ~ +13dBm
測量精度	<±1.0dB@+25±5° C ( 典型值 )
AM 廣播測試
頻率范圍	522kHz~1710kHz
接收靈敏度	-105dBm
電平測量范圍	-105dBm ~ +13dBm
電平測量精度	<±1.5dB @+25±5° C (S/N>30dB)
FM 廣播測試
頻率范圍	87~108MHz
接收靈敏度	-95dBm
電平測量范圍	--95dBm ~ +13dBm
電平測量精度	<±1.5dB @+25±5° C (S/N>30dB)
CDR 廣播測試
頻率范圍	87~108MHz
接收靈敏度	-101 dBm
電平測量范圍	-95dBm ~ +13dBm
電平測量精度	<±1.0dB @+25±5° C (S/N>30dB)
MER	>38dB
LDPC 錯誤數	√
星座圖	√
其他
射頻輸入	50Ω SMA 頭
顯示	7 英寸電容觸屏 TFT LCD 800×480 像素

基本文件流程錯誤 SQL 調試

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D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Behavior\ShowPageTraceBehavior.class.php ( 5.39 KB )

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