ELEXSYS-II E500 CW-EPR
X波段Elexsys-II仪器配备了Superx功能和新的信号处理单元（SPU）。Superx包括选定的高功率，超低噪声双gunn源和超高Q腔。
The combination of these devices has resulted in an order of magnitude increase in sensitivity for CW-EPR in X-band. For the traditional sensitivity measurement, we specify a weak-pitch signal-to-noise of 3000:1 for the E500 CW-EPR spectrometer.
The SPU is a highly integrated device taking care of all acquisition modes in modern CW-EPR. With a total of 8 signal input channels and various trigger modes, even experiments that are not part of the standard EPR repertoire can be mastered.
One demonstration of the improvement in sensitivity with the SuperX system is shown here for spectra obtained from a Cu²⁺ Histidine in a standard cavity (left) and with the SuperX system (right). What appeared as a weak and uninformative spectrum with the standard cavity is a clear and well-resolved spectrum with the new SuperX system.
技术细节
Signal Processing Unit (SPU) Features
- 数字锁定最多可同时检测到5个谐波
- Simultaneous detection of 0 and 90 degree modulation phases
- 调制频率最多1 MHz
- 同时吸收和分散测量的双输入通道
- 27 bit amplitude dynamic range
- Rapid scan ramp generator and detection system for modulated and direct detection
- Transient recorder with 14 bit single shot amplitude resolution and 8 ns time resolution
- 预定义和用户输入通道
- Input channels with AC and DC coupling
- 内部和外部触发器
- 256 000 points on field and time axis
- 65 536 points on transient time axis
E 500 Highlights & Standard Features
- Superx微波单元，用于世界纪录敏感性
- Ultra high resolution field controller
- Digital rapid field scan module
- 固定和时间解析实验
- Multi-purpose signal processing unit (SPU)
- Reference free spin counting
- Xepr software package
电脑系统
运行XEPR软件包的基于Linux的前端工作站软件采集服务器处理所有实时事件。必威官网体育下载
实验室
Service & Life Cycle Support for Magnetic Resonance and Preclinical Imaging
布鲁克致力于在整个购买周期内为客户提供无与伦比的帮助，从初始查询到评估，安装和仪器的寿命，现在以LabScape服务概念为特征。betway手机客户端下载
实验室维护协议，现场点播和增强实验室旨在为现代实验室提供一种新的维护和服务方法betway手机客户端下载
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