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<p><strong><span>可代替两台常规锁相放大器�?28位信号处理能力的双通道高频锁相放大�?/span></strong></p><p><span>瑞士苏黎世仪器公司（Zurich Instruments（�/span><span>HF2LI 是一款高端数字锁相放大器，信号频率响应范围扩展至50MHz，拥有两个锁相单元，在测量系统中可代替两台常规锁相放大器�?28位信号处理能力使锁相放大器实现了****�?*性能。HF2LI 是锁相放大器技术的一个里程碑，既支持现有各种应用，又能促进众多新应用的发展、�/span></p><p><strong><span>瑞士苏黎世仪器公司（</span></strong><strong><span>Zurich Instruments</span></strong><strong><span>（�/span></strong><strong><span>HF2LI</span></strong><strong><span>双通道高频锁相放大�?/span></strong></p><p><span></span></p><p><span>瑞士苏黎世仪器公司（Zurich Instruments（�/span><span>HF2LI 是一款高端数字锁相放大器，信号频率响应范围扩展至50MHz，拥有两个锁相单元，在测量系统中可代替两台常规锁相放大器�?28位信号处理能力使锁相放大器实现了****�?*性能。HF2LI 是锁相放大器技术的一个里程碑，既支持现有各种应用，又能促进众多新应用的发展、�/span></p><p><strong><span>双通道高频锁相放大器关键特性：</span></strong></p><p><span>?<span>210 MSa/s� 0.7��Hz � 50 MHz </span><span>工作频率</span></p><p><span>?<span>2</span><span>个独竊�/span><span>Lock-in</span><span>单元</span><span>�?</span><span>个信号发生器</span></p><p><span>?<span>每个</span><span>Lock-in</span><span>单元支持</span><span>1</span><span>个基波和</span><span>2</span><span>个谐泡�/span></p><p><span>?<span>4</span><span>路辅助输凹�/span><span>� 2 </span><span>路辅助输�?/span></p><p><span>?<span>高逞�/span><span>USB 2.0� 480 Mbit/s</span></p><p><span>?<span>频率响应分析�?/span><span>� FFT</span><span>频谱分析仪和示波�?/span></p><p><span>?<span>包含图像用户界面和变成接叢�/span></p><p><strong><span>双通道高频锁相放大器应�?</span></strong></p><p><span>?<span>扫描探针显微�?SPM)� 原子力显微术 (AFM)</span></p><p><span>?<span>量子&纳米物理�?/span></p><p><span>?<span>激光光谰�/span></p><p><span>?<span>传感�?致动� (MEMS)</span></p><p><span>?<span>核子物理&微磁�?/span></p><p><span>?<span>天文�?/span></p><p><span>?<span>无损检�?NDT)</span></p><p><span>?<span>医疗技术，放射科学，超声波</span></p><p><span>?<span>工业加工</span></p><p><span>双通道高频锁相放大器可选模块：</span></p><ul><li><p><span>HF2LI-MF 多频率选件</span></p></li><li><p><span>该多频率选件在输入通道、振荡器频率、各解调器滤波器系数的选择方面赋予 HF2LI 超凡的灵活性，并且支持6个任意频率同时进行解调、�/span></p></li><li><p><span>HF2LI-MOD AM/FM 调制选件</span></p></li><li><p><span>HF2LI-MOD � HF2LI 的选件之一，支持对动态调�?AM)和调�?FM)电路边频带进行直接分析。该选件可帮助用户精确测定应用信号频率或波幅的周期变化、�/span></p></li><li><p><span>HF2LI-PLL 双锁相环选件</span></p></li><li><p><span>HF2LI-PLL 拥有可编程双数字锁相环，支持快速频率跟踪。苏黎世仪器(Zurich Instruments)提供全球*快速的可编程数字锁相环，频率范围达50 MHz，采用直接采样技术、�/span></p></li><li><p><span>HF2LI-PID 四路PID控制器选件</span></p></li><li><p><span>HF2LI-PID 选件可有效增� HF2LI 的功能，至少无缝集成了四路通用高效PID（比例积分微分）控制器。PID控制器能够对 HF2LI 输出的多个物理参数实施有效的闭环控制、�/span></p></li><li><p><span>HF2LI-RT 实时选件</span></p></li><li><p><span>该实时选件支持用户直接� HF2LI 中实现并执行实时自定义算法。采用C语言编写的程序有全面的程序库作为支持，能够在10微秒内对输入做出反应。此时间特性具备固有的可复制性，功能强大、�/span></p></li><li><p><span>HF2LI-UHS 超高稳定性选件</span></p></li><li><p><span>HF2LI-UHS 超高稳定性选件采用恒温石英晶体振荡器，可实�?*的低相位噪声。该石英晶振的规格可提高 HF2LI 数据处理的精确度，是高精度应用的理想之选、�/span></p></li></ul><p></p><p><span>� 栻�/span></p><p><span>内部参考模� 单相和双相锁盷�/span></p><p><span>外部参考模� 单相和双相锁盷�/span></p><p><span>自动参考模� 单相和双相锁盷�/span></p><p><span>双谐波频率模� 单基波频率和双谐波频率（同时（�/span></p><p><span>多谐波频率模� 单基波频率和<span>5</span><span>个谐波频率（同时（�/span>需�?span>HF2LI-MF </span>选件</span></p><p><span>任意频率模式 6<span>个频率，需�?/span><span>HF2LI-MF </span><span>选件</span></p><p><span>-</span><span> HF </span><span>模拟</span><span>输入</span></p><p><span>频率范围 1 <span>��</span><span>Hz - 50 MHz</span></p><p><span>输入阻抗 50 <span>�� � </span><span>1 M</span><span>�� </span><span>|| 20 pF</span></p><p><span>输入电压噪声 5 nV/<span>∙�/span><span>Hz</span></p><p><span>动态储� 120 dB</span></p><p><span>输入范围 ��<span>3.5 V</span></p><p><span>输入全范围灵敏度 1 nV <span>� </span><span>1.5 V</span></p><p><span>A/D<span>转换 </span> 14 bit<span>＋�/span><span>210 MS/s</span></p><p><span>- HF </span><span>模拟</span><span>输出</span></p><p><span>频率范围 直流� <span>- 50 MHz</span></p><p><span>输出范围 ��<span>10 mV＋�/span><span>��</span><span>100 mV＋�/span><span>��</span><span>1 V＋�/span><span>��</span><span>10 V</span></p><p><span>信号加法� ��<span>10 V� </span><span>直流臲�/span><span>50 MHz</span><span>带宽</span></p><p><span>D/A<span>转换 </span> 16<span>位，</span><span>210 MS/s</span></p><p><span>- </span><span>解调器和</span><span>参耂�/span></p><p><span>解调器数� 6<span>个双盷�/span></p><p><span>滤波器时间常� 1 <span>��</span><span>s - 500 s</span></p><p><span>滤波器带� 80 <span>��</span><span>Hz - 220 kHz</span></p><p><span>滤波器阶数（衰减斜率� 6�?2<span>�?/span><span>18</span><span>�?/span><span>24</span><span>�?/span><span>30</span><span>�?/span><span>36</span><span>�?/span><span>42</span><span>�?/span><span>48 dB/Oct</span></p><p><span>X� Y� R� Theta 64<span>位全范围</span></p><p><span>参考频率分辨率 0.7 <span>��</span><span>Hz</span></p><p><span>参考相角分辨率 1.0 <span>�̡�</span></p><p><span>- <span>辅助信号</span></p><p><span>高速输� 4<span>通道�?#177;</span><span>10 V</span><span>，振幅，相位，频率，</span><span>X/Y</span><span>＋�/span>用户定义倻�/span></p><p><span>D/A<span>转换� </span> 16<span>位，</span><span>1 MS/s</span></p><p><span>D/A<span>模拟带宽 </span> 200 kHz</span></p><p><span>高速输� 双通道�?#177;<span>10 V</span></p><p><span>A/D<span>转换� </span> 16<span>位，</span><span>400 kS/s</span></p><p><span>A/D<span>模拟带宽 </span> 100 kHz</span><span>- </span></p><p><span>- <span>其他接口</span></p><p><span>主机连接 </span><span>USB 2.0<span>高速接口，</span><span>480 Mbit/s</span></p><p><span>前置放大器控制总线 </span><span>ZCtrl <span>专有总线控制外部前置放大�?/span></p><p><span>同步总线 </span><span>Zsync<span>专有总线连接</span><span>ZI</span><span>本地仪器</span></p><p><span>数字<span>I/O</span><span> 32<span>位，通用</span></p><p><span>- <span>本机概况</span></p><p><span>尺寸 45 x 28 x 9 cm (19<span>英寸机架</span><span>)</span></p><p><span>重量 6.2 kg</span></p><p><span>电源 110/120/220/240 V<span>＋�/span><span>50/60 Hz</span></p><p><span>工作温度 +5 ��C - +40 ��C</span></p><p><span>内部振荡器输� 正弦波，<span>��1 V</span><span>＋�/span><span>10 MHz</span></p><p><span>内部振荡器稳定� 30 ppm<span>，具有超高稳定�?/span></p><p><span>PC<span>操作系统</span> 32<span>佌�/span><span>64</span><span>佌�/span><span>Windows XP</span><span>�?/span><span>Vista<span>�?/span>Windows 7<span>�?/span>Linux</span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div 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HF2LI双通道高频锁相放大器的工作原理介绍＞�/li>
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