Krohn-Hite Model 3944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>四个独立通道</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>八倍频稊�/span><span>/ </span><span>通道</span></p><p><span>频率范围９�/span><span>3Hz </span><span>臲�/span><span>2MHz</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 3944 </span><span>型是一�?/span><span>4 </span><span>通道的巴特沃�?/span><span>/ </span><span>贝塞尓�/span></p><p><span>滤波器，提供一个可编程或台式滤波器，覆盖从</span><span>3Hz </span><span>�?/span></p><p><span>2MHz </span><span>的截止频率范围，具有**平坦（巴特沃斯）皃�/span></p><p><span>频率响应特性，用于频域中的干净滤波，或线性相位（贜�/span></p><p><span>塞尔）以提供优良的脉冲或复信号滤波。通带增益丹�/span><span>1</span><span>＋�/span></p><p><span>每个通道的衰减斜率为</span><span>24dB / </span><span>倍频程、�/span><span>3944 </span><span>型将接受</span></p><p><span>��</span><span>4.5V </span><span>峰值的输入信号，并提供</span><span>0dB </span><span>戕�/span><span>20dB </span><span>的输入和</span></p><p><span>输出增益，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>滤波器可以是编程的，可以在高通或低通的四个通道皃�/span></p><p><span>任何组合中操作；带通或带阻的任何组合的两个通道：�/span></p><p><span>或一个通道的带通或带阻和两个通道的高通或低通的仺�/span></p><p><span>何组合。四个通道可以连接以实�?/span><span>96dB/ </span><span>倍频程的高通或</span></p><p><span>低通、�/span></p><p><span>存储设置</span></p><p><span>3944 </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><span>3944 </span><span>型还在其内部存储器上电时提供�?/span></p><p><span>检诊断，以确保设备正常工作。如果发生故障，显示屏将</span></p><p><span>指示哪个</span><span>ROM </span><span>戕�/span><span>RAM </span><span>出现故障、�/span></p><p><span>应用</span></p><p><span>3940 </span><span>型的应用于抗锯齿，随机噪声测试，声音测量，录音，</span></p><p><span>抑制音频通信电路中的干扰等、�/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="266150" /> <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）">