Krohn-Hite Model 3940滤波�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span>技术规栻�/span></p><p><span>3Hz </span><span>�?MHz，高�? 低這�/span></p><p><span>巴特沃斯/ 贝塞尔可编程滤波�?/span></p><p><span>频率范围９�/span><span>3Hz </span><span>臲�/span><span>2MHz</span></p><p><span>滤波器类型：</span><span>巴特沃斯或贝塞尔</span></p><p><span>衰减斜率９�/span><span>24dB/ </span><span>倍频稊�/span><span>/ </span><span>单通道</span></p><p><span>输入增益９�/span><span>0dB </span><span>戕�/span><span>20dB</span></p><p><span>输出增益９�/span><span>0dB </span><span>戕�/span><span>20dB</span></p><p><span>阻带衰减９�/span><span>>95dB</span></p><p><span>旁路模式</span></p><p><span>描述</span></p><p><span>Krohn-Hite 3940 </span><span>型可编程双通道巴特沃斯</span><span>/ </span><span>贝塞尔滤泡�/span></p><p><span>器提供可编程或台式滤波器，覆盖从</span><span>3Hz </span><span>�?/span><span>2MHz </span><span>的截</span></p><p><span>止频率范围。它具有用于在频域中的净滤波�?*平坦</span></p><p><span>（巴特沃斯）的频率响应特性，或用于提供脉冲信号滤</span></p><p><span>波的线性相位（贝塞尔）。通带增益丹�/span><span>1</span><span>，每个通道皃�/span></p><p><span>衰减斜率丹�/span><span>24dB/ </span><span>倍频程、�/span><span>3940 </span><span>型将接受峰值为��</span><span>4.5V</span></p><p><span>的输入信号，并提侚�/span><span>0dB </span><span>戕�/span><span>20dB </span><span>的输入和输出增益＋�/span></p><p><span>可通过前面板键盘或</span><span>GPIB </span><span>总线进行选择、�/span></p><p><span>配置</span></p><p><span>滤波器是可以编程的，为在低通，高通，带通或带阻樠�/span></p><p><span>式下工作，或者两个通道可以互连以实�?/span><span>48dB/ </span><span>倍频稊�/span></p><p><span>的高通或低通斜率、�/span></p><p><span>存储设置</span></p><p><span>3940 </span><span>型为用户提供</span><span>99 </span><span>组非易失性存储器，用于存储前靡�/span></p><p><span>板设置，存储在电池供电的</span><span>CMOS </span><span>中。然后可以使用简協�/span></p><p><span>的命令调用设置、�/span></p><p><span>3940 </span><span>型还在其内部存储器上电时提供自检诊断，以确保讽�/span></p><p><span>备正常工作。如果发生故障，显示屏将指示哪个</span><span>ROM </span><span>戕�/span></p><p><span>RAM </span><span>出现故障、�/span></p><p><span>应用</span></p><p><span>3940 </span><span>型号的应用是抗锯齿，随机噪声测试，声音测量，彔�/span></p><p><span>音，抑制音频通信电路中的干扰等等、�/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 class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="266151" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">