The R&S®SMCV100B from Rohde & Schwarz is a Vector Signal Generator that operates from 4 kHz to 3 GHz (6/7.125 GHz options also available). It provides up to +25 dBm of output power, has a modulation bandwidth of up to 240 MHz and a settling time of 5 ms. The device has SSB phase noise of less than -100 dBc (20 kHz offset) at 2.5 GHz and ACLR of -65 dBc at5 MHz offset.
The R&S®SMCV100B vector signal generator features a state-of-the-art user interface and a new direct RF DAC concept for RF signal generation which enables I/Q modulation and upconversion in the digital domain eliminating I and Q imbalance errors and LO leakage. With the R&S WinIQSIM2, it also supports GPS, GLONASS, Galileo, and BeiDou navigation standards for functional Go/NoGo tests. The device has 60 GB of mSATA storage along with USB 3.0 interface for waveform streaming functionality.
The signal generator is available in a benchtop module that measures 222 x 366 x 97 mm with a 5” color display with capacitive touch functionality and BNC Female input and output connectors. It has Ethernet/LAN 10/100/1000BASE-T, USB 2.0 for interfacing and is suitable for many applications, from the lab to production, like EMC testing, automotive, broadcast, navigation and wireless applications
R&S®SMCV100B 為內部基帶信號生成提供了強大的硬體。它可以在 FPGA 中即時生成信號,也可以使用 ARB 發生器直接生成用於數位通信標準的 I/Q 信號。
FPGA 中的即時信號生成專用於廣播標準。這種技術能夠連續和長時間不間斷地生成用於解碼的不同資料內容(音訊、視頻、資料、PRBS)的信號。這樣的長序列對於測試調諧器的性能或 EMC 是必需的。
R&S®WinIQSIM2 信號類比軟體也可用于生成GNSS導航和數位通信標準信號,借助該類比軟體,R&S®SMCV100B 支援在功能性 Go/NoGo 測試中使用 GPS、GLONASS、Galileo和北斗導航標準。對於具有定位功能的功能性測試,可以播放有限長度的預定義波形。
R&S®SMCV100B基於Linux的高性能平臺可完全使用軟體選件進行擴展。所有選件都包含在設備固件中,並可根據需要來使用啟動碼啟動。這包括頻率擴展到6 GHz或7.125 GHz,將RF調製頻寬增加到250 MHz,將RF輸出功率提高到23 dBm,啟動外部硬碟波形流播放功能(60 MHz頻寬,取樣速率75 MHz)。
ARB發生器的存儲深度也可以從64 Msamples擴展到1 Gsamples。
憑藉其靈活和可定制的設計,該儀器完全可以滿足未來的需求。使用者可以通過軟體啟動碼輕鬆添加選件,從而快速升級功能並增加頻寬、輸出功率甚至頻率範圍。
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