介质带通滤波器、陶瓷带通滤波器、带通滤波器定制

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定制陶瓷带通滤波器/介质带通滤波器

发布时间: 2016-08-22 23:04

陶瓷带通滤波器（介质带通滤波器）是通过选择合适的陶瓷材料和设计合理的谐振腔来实现对特定信号的过滤作用，主要用于选频网络，以达到分隔不同频率电流的目的。陶瓷带通滤波器具有Q值高、抑制度高、高功率、低插损、热稳定性好、幅频/相频特性好、信噪比高、低温度系数、表面贴装、体积小、重量轻等优势，广泛应用于直放站、基站、T/R组件、路由器、射频微波、无人机、雷达、Wi-Fi、移动通信领域及消费类电子产品。

一、产品特点及说明

介质滤带通波器（也称陶瓷带通滤波器）是基于材料的谐振效应和频率选择性，当输入信号的频率接近滤波器的谐振频率时，滤波器的响应将增强，使该频率范围内的信号通过；当频率偏离谐振频率时，滤波器的响应将相对减小，可滤除不需要的低频和高频信号。介质/陶瓷滤带通波器具有带宽控制能力，它的带宽是指在滤波器响应曲线中从低频到高频的频率范围，介质/陶瓷带通滤波器具有高抑制度、低插损、高功率、Q值高、幅频/相频特性好、信噪比高、热稳定性好、低温度系数、表面贴装、体积小、重量轻等优势。

二、产品型号及参数

型号	中心频率 (MHz)	插损(dB Max )	带宽 (MHz)	波动(dB Max)	驻波(Max)	抑制(dB Min)	尺寸(mm)
DFC490B40AF	490	2.0	± 20	1.0	2.0:1	10min@fo+80 MHz ; 20min@fo-80 MHz; 40min@980 MHz ; 20min@1500 MHz	7.453.79.9
DFN1232S136FA	1232	1.0	± 68	0.5	1.4:1	20min@1050 MHz; 20min@1400 MHz ; 30min@850~950 MHz ; 30min@1525~1610 MHz ; 30min@1850~2200 MHz	16.25.49.9
DFN1232S136EA	1232	1.3	± 68	1.0	1.5:1	8min@1132 MHz; 5min@1332 MHz ; 34min@1032 MHz ; 40min@1432 MHz	114.0510.4
DFC1268P24A4	1268	0.55	± 12	0.1	1.4:1	8min@1175.42 MHz ; 40min@1611~1621 MHz	7.43.655.5
DFC1575P50A8	1575.42	1.0	± 25	0.5	2.0:1	8min@1695 MHz ; 20min@1455 MHz	7.53.87.4
DFN1585R58EB	1585	0.65	± 29	0.5	1.5:1	35min@1200 MHz; 20min@1800 MHz ; 40min@2400~2560 MHz ; 30min@2560~3000 MHz	8.54.58.0
DFN1817W25FC	1817.5	3.0	±12.5	1.2	1.42:1	45min@1710~1735 MHz; 40min@1850~1880 MHz; 45min@1880~1920 MHz	17.54.89.0
DFN817W25FB	1817.5	1.5	±12.5	1.0	1.42:1	35min@1710~1735 MHz; 45min@1880~1920 MHz	17.54.89.0
DFN1576S95EA	1567.5	1.6	± 47.5	1.0	1.5:1	25min@1467.5 MHz; 25min@1667.5 MHz ; 44min@1367.5 MHz ; 55min@1767.5 MHz	10.84.058.9
DFN1855W50FA	1855	1.7	±25	0.5	1.29:1	30min@1710~1785 MHz; 15min@1920~3600 MHz;	17.54.89.0
DFN1580P80EA	1585	0.7	± 40	0.5	1.5:1	40min@1435 MHz; 40min@1735 MHz ; 20min@1985 MHz ; 25min@1185 MHz ; 25min@2492 MHz	7.44.18.5
DFN1587S56EA	1587	1.6	± 28	1.0	1.5:1	40min@1487 MHz; 40min@1687 MHz ; 40min@1387 MHz ; 50min@1787 MHz	10.84.28.6
DFN1587R56EA	1587	0.8	± 28	0.4	1.5:1	11min@1487 MHz; 9min@1687 MHz ; 35min@1387 MHz ; 22min@1787 MHz	9.24.258.4
DFC2492P40A14	2492	0.6	± 20	0.5	1.5:1	35min@1616 MHz	7.43.76.2
DFN2595X160FC	2595	2.5	±80	1.5	1.42:1	45min@0~960 MHz; 40min@1000~2170 MHz; 43min@2400~2483.5 MHz; 10min@2483.5~2495 MHz; 7min@2695~2725 MHz; 35min@3300~3800 MHz; 12min@4800~4960 MHz	17.54.86.9
DFM2595W160GG	2595	2.5	±80.0	1.5	1.5:1	40min@DC~2400 MHz; 30min@2400~2483.5 MHz; 12min@2483.5~2495 MHz; 12min@2695~2715 MHz; 20min@2715~2780 MHz; 20min@5850~12750 MHz	22.57.010.5
DFN2595W160EA	2595	2.5	±80.0	1.5	1.5:1	45min@699~960 MHz; 35min@960~1710 MHz; 35min@1710~2300 MHz; 55min@2300~2400 MHz; 30min@2400~2473 MHz; 17min@2473~2480 MHz; 5min@2480~2495 MHz; 5min@2710~2725 MHz; 13min@2725~3800 MHz; 20min@38000~4200 MHz	16.44.56.7
DFN2595S160DA	2595	2.5	±80.0	2.0	1.5:1	20min@DC~1785 MHz; 20min@1805~1990 MHz; 15min@2010~2300 MHz; 5min@2300~2483.5 MHz; 5min@2483.5~2495 MHz; 5min@2695~3300 MHz; 10min@3300~3600 MHz; 10min@3600~4900 MHz; 15min@4900~5091 MHz; 15min@5150~5350 MHz; 15min@5725~5850 MHz	8.63.36.7
DFM2595Z160IA	2595	2.9	±80.0	2.0	1.5:1	65min@DC~2300 MHz; 55min@2300~2400 MHz; 45min@2400~2470 MHz; 42min@2470~2483.5 MHz; 40min@2483.5~2500 MHz; 25min@2695~2700 MHz; 42min@2700~2740 MHz; 60min@3300~4000 MHz	61.011.015
DFM3350W100FA	3350	2.0	±50	1.5	1.38:1	54min@0~2700 MHz; 40min@2700~3195 MHz; 40min@3505~5725 MHz; 22min@5925~17000 MHz	22.57.08.0
DFM3450W100FA	3450	2.0	±50	1.5	1.38:1	54min@0~2700 MHz; 40min@2700~3295 MHz; 40min@3605~5825 MHz; 22min@5925~17000 MHz	22.57.08.0
DFM3450W300GC	3450	2.0	±150.0	1.2	1.5:1	50min@DC~2700 MHz; 30min@2700~3200 MHz; 15min@3200~3240 MHz; 15min@3660~3700 MHz; 30min@3700~5925 MHz	22.57.08.0
DFM3450W100GB	3450	2.5	±50.0	1.5	1.5:1	50min@DC~2700 MHz; 30min@2700~3200 MHz; 20min@3300~3360 MHz; 12min@3660~3380 MHz; 12min@3520~3540 MHz; 20min@3540~3600 MHz; 30min@3600~5850 MHz; 20min@5850~12750 MHz	22.57.08.0
DFM3465W90GA	3465	2.5	± 45	1.3	1.67:1	20min@1~3300 MHz; 15min@3300~3395 MHz; 15min@3535~3850 MHz; 20min@3850~5000 MHz	22.57.08.0
DFM3470W100GA	3470	2.5	± 50	1.3	1.5:1	20min@1~3300 MHz; 15min@3300~3395 MHz; 15min@3545~3850 MHz; 20min@3850~5000 MHz	22.57.08.0
DFN3475W350GA	3475	2.0	±175	1.3	1.52:1	45min@1~2700 MHz; 40min@2700~2900 MHz; 20min@2900~3240 MHz; 20min@371~4100 MHz; 25min@4100~4800 MHz; 25min@4800~4900 MHz; 22min@4900~5950 MHz	22.56.06.1
DFN3500W200ED	3500	2.0	±100	1.0	1.92:1	25min@3320 MHz; 25min@3680 MHz	16.44.56.2
DFM3500W100FA	3550	2.0	±50	1.5	1.38:1	54min@0~2700 MHz; 40min@2700~3395 MHz; 40min@3750~5925 MHz; 22min@5925~17000 MHz	22.56.08.0
DFM3550W500GC	3550	2.2	±250.0	1.5	1.5:1	50min@DC~2700 MHz; 35min@2700~3195 MHz; 30min@3905~5925 MHz; 22min@5925~17000 MHz	22.57.08.0
DFM3625W150GB	3625	2.4	± 75	1.5	1.5:1	20min@1~3400 MHz; 15min@3400~3525 MHz; 15min@3850~5000 MHz	22.57.08.0
DFM3650S500DA	3650	2.0	±250.0	1.0	1.6:1	10min@1~2690 MHz; 10min@2690~3200 MHz; 5min@3200~3300 MHz; 5min@4000~4100 MHz; 10min@4100~4800 MHz; 15min@4800~5150 MHz; 25min@5150~5470 MHz; 15min@5470~5925 MHz; 10min@5925~6600 MHz; 5min@6600~19000 MHz	8.63.810
DFM3650W300GA	3650	2.3	±150.0	1.0	1.6:1	45min@1~2690 MHz; 30min@2690~3400 MHz; 20min@3400~3440 MHz; 5min@3440~3460 MHz; 5min@3840~3860 MHz; 20min@3860~4200 MHz; 25min@4200~4900 MHz; 30min@4900~5150 MHz; 25min@5150~5925 MHz; 20min@5925~6600 MHz; 10min@6600~19000 MHz	24.56.412
DFM3750W100GD	3750	2.3	± 50	1.5	1.5:1	20min@1~3300 MHz; 15min@3300~3675 MHz; 15min@3825~3950 MHz; 20min@3950~5000 MHz	22.57.08.0
DFM4650W500GB	4650	2.5	±250.0	1.5	1.5:1	40min@2400~2483.5 MHz; 10min@2483.5~4350 MHz; 10min@4950~5150 MHz; 20min@5150~5850 MHz	22.57.08.0
DFM4700W200GA	4700	2.7	± 100	1.5	1.5:1	40min@2400~2483.5 MHz; 10min@2483.5~4580 MHz; 10min@4580~5150 MHzz; 20min@5150~5850 MHz	22.57.08.0
DFM4700W600GB	4700	2.5	±300	1.5	142:1	40min@2400~2483.5 MHz; 10min@2483.5~4350 MHz; 10min@5050~5150 MHz; 20min@5150~5850 MHz	22.57.08.0
DFM4850W100GE	4850	2.8	±50	1.3	1.5:1	20min@1~4640 MHz; 15min@4640~4775 MHz; 15min@4925~5060 MHz; 20min@5060~6000 MHz	22.57.08.0
DFM4850W100GB	4850	2.5	±50	1.5	1.5:1	40min@2400~2483.5 MHz; 50min@42483.5~4780 MHz; 5min@4920~5150 MHz; 20min@5050~5350 MHz; 20min@5725~5850 MHz	22.57.08.0
DFM4850W100GA	4850	3.2	±50	1.5	1.5:1	30min@2400~2483.5 MHz; 15min@4500~4780 MHz; 5min@4780~4920 MHz; 15min@4920~4950 MHz; 30min@5150~5850 MHz	22.55.16.2
DFN4880W160FA	4880	3.5	±80.0	1.5	1.5:1	50min@DC~2700 MHz; 30min@2700~4690 MHz; 8min@4690~4780 MHz; 8min@4980~5070 MHz; 30min@5070~5850 MHz	17.54.85.0
DFM4930W60GA	4930	3.2	±30.0	1.5	1.5:1	40min@2400~2483.5 MHz; 8min@2483.5~4880 MHz; 8min@4980~5150 MHz	22.57.08.0
DFN5442Y858CA	5442.5	3.0	±292.5	2.5	1.42:1	30min@1000~4900 MHz; 25min@5800~5895 MHz ; 40min@5945~6105 MHz ; 40min@6200~7150 MHz ; 30min@7151~79300 MHz ; TBD@9300~15000 MHz	9.352.24.5
DFN5492C685EC	5492.5	3.0	±342.5	1.5	2.0:1	48min@5935~7125 MHz	12.83.84.4
DFN6630Y1050CA	6630	3.0	± 525	2.5	1.43:1	30min@1000~4900 MHz; 40min@5150~5600 MHz ; 62min@5736~5895 MHz ; TBD@7251~15000 MHz	9.352.23.9

三、注意事项及用途

介质滤带通波器（也称陶瓷带通滤波器）是用特殊陶瓷材料烧结而成，具有体积小、焊接方便、输入/输出50Ω阻抗匹配，易于级联使用；全温范围内性能稳定可靠，满足军用工作环境要求（-55℃～+85℃）；陶瓷/介质带通滤波器使用时注意外壳良好接地，否则会影响带外抑制及平坦度指标，广泛应用于基站、路由器、无人机、雷达、T/R组件、射频微波、Wi-Fi、直放站、移动通信领域及消费类电子产品。具有带宽控制的能力。

本公司可定制介质/陶瓷滤波器，介质/陶瓷高通滤波器、介质/陶瓷低通滤波器、介质/陶瓷带阻滤波器、介质/陶瓷带通滤波器。定制介质/陶瓷低通滤波器需用户提出合理要求，对超出材料物理极限的参数要求，可通过双方协商来达到最佳指标。

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