CMD55 綜合測試機
     東,莞,市------國通電子儀器---------有限公司
   物           聯系人：歐陽浩                                 價
   美          手機：13712204729                           格
   價          電話 0769-87934782                          公
   廉          傳真；0769-87934782                        道
   服          郵箱：ouyhao88@163.com                  質
   務       QQ客服：877561881 /1908563118         量
   好  東莞塘廈林村新陽路丹緹軒花園12棟1203號；高
                      買賣-----儀器-----我選國通

本公司長期現金收購:  音頻儀器,視頻儀器,高頻儀器(如網絡分析儀,頻譜分析儀高頻信號源,示波器. 無線電綜合測試儀等高頻儀器,并高頻承接儀器維修！   
歐陽浩 13712204729

=================================
=================================
CMD55產品特點：·是測量GSM及GSM1800移動電話的緊縮式單元·通過RS232，IEC/IEEE遠控·前面板有多功能連接器·話音編碼器/解碼器可被集成·可選擇安培表和伏特表·高敏感度二級RF輸入·可改進為GSM、GSM1800及GSM1900測試 CharacteristicsThe CMD52 is a compact unit for testing GSM900 mobiles. The CMD55 is furthermore capable of testing GSM1800 (formerly named PCN orDCS1800) and GSM1900 (formerly named PCS or DCS1900) mobile phones. Both models are favourably priced and combine small dimensions with high measurement accuracy and speed.The testers range of capabilities includes all signalling, generator and measurement functions required for verifying the correct operation of the DUT (Device Under Test). Thanks to its fast go/nogo tests and accurate analysis using optional extensions, CMD52 and CMD55 are equally well suited for R&D, production and high-end service and production.Based on the wide-range know-how of Rohde & Schwarz in digital radiocommunication testing, which not least was obtained in developing type-approval test systems such as the GSM900 and GSM1800 system simulators, both CMD models are top-grade testers for present and future measurement applications.Test capabilitiesTo test mobile phones, the CMD simulates a GSM900, 1800 or 1900 base station. One of the two RF synthesizers available for this purpose delivers a continuous BCCH signal while the other one provides all 8 timeslots for TCH signals.The major test functions are:Mobile synchronizationLocation updateIncoming call setupOutgoing call setupMobile power level controlHandover (channel change, timeslot change)Peak power measurementHigh dynamic range burst analyzer (option CMD-B4 and CMD-B42)Spectrum due to Switching measurement (option CMD-B4 and CMD–B43)Spectrum due to Modulation measurement (option CMD-B4 and CMD–B43Timing Advance measurementSACCH measurement (eg RxLev, RxQual, power level)Echo testCall clearing by mobile phoneCall clearing by CMDDC current/voltage measurementsPhase and frequency error measurement (option CMD-B4)Measurement of power ramping as a function of time (option CMD-B4)Bit-error rate (BER) and Fast BER measurement (option CMD-B4)OperationOperation of the CMDis extremely user-friendly and requires no detailed GSM/PCN knowledge. The high-contrast, backlit LCD provided with softkeys on both sides allows convenient callup of test routines under menu control. Various network-specific parameters are preset and permit direct testing without any operator control. In addition, it is of course possible to modify all parameters individually in the configuration menus.AutotestThe autotest function enables complete measurement routines to be started at a keystroke without any further intervention by the operator being required. The test results in tabular form are displayed on the screen.Remote controlThe CMD is remote-controlled via the RS-232 or IEEE/IEC-bus interface using SCPI-compatible commands. In the remote-control mode the CMD is designed for fast speed to yield high throughputs in production.Echo testThe echo test allows very rapid go/nogo analysis covering all 
示波器 網絡分析儀 綜合測試儀  頻譜分析儀  信號發生器  噪聲系數分析儀  音頻分析儀 數字萬用表  表程控電源  功率計  頻率計  阻抗分析儀 視頻分析儀  函數信號發生器  LCR電子測試儀 電子負載萬 用表校準儀  示波器校準儀  高壓機    數據采集器   接收/發射機   測量接收機  電纜/天線分析儀  調制度分析儀  藍牙綜測儀
備注：
我們的優勢：
品種齊全，貨源充足，存庫雄厚，服務快捷，維修能力強。
歡迎來電!上門看貨!您的滿意是我們的追求！
凡本公司所銷售的產品可享受一年保修期!!
(本公司大量供應二手進口儀器:如網絡分析儀,頻譜分析儀,音頻分析儀器,視頻分析儀器,高頻信號源,無線電綜合測試儀等高頻儀器,公司長期專業銷售、租賃、維修、計量、回收高頻二手儀器!! )