Switch Filter Banks for Agile RF Receiver Design in Radar
This is the third installment in our RF Components for Radar series. Here, we’ll focus on a particular form of filtering technology: switch filter banks.
Designing Agile Radio Frequency (RF) Receivers with Nimble RF Components
Today, modern radar systems are expected to serve in a multi-mission capacity. For example, the F-35 Joint Strike Fighter uses a multi-function array, where the radar active electronically scanned array (AESA) in the aircraft nose cone is shared between the electronic warfare (EW) and communications systems.
Tunable bandwidth is becoming more and more desirable. Designers need to be able to balance radar range and resolution and optimize performance across missions. Further, these systems need to operate reliably in a congested spectrum where there are many blockers.
In RF communications systems, unwanted input signals, otherwise known as blockers, directly or indirectly degrade the gain and signal-to-noise ratio (SNR) of the signal of interest. Blockers take the form of intentional and unintentional interference. Other RF communications systems operating in the adjacent frequency spectrum can cause unintentional interference, but so can malicious EW systems.
Agile RF receivers can be optimized moment-to-moment to adjust to evolving parameters. This level of control is accomplished using fully digital receivers with analog filter protection to evade blockers and prevent receiver damage. Nimble analog RF components, like switch filter banks, are critical to accomplish this level of optimization.
Switch filter banks are traditionally associated with larger footprints, but Knowles Precision Devices is leveraging materials science innovations to shrink the size of each individual filter. We use high-precision lithographic processes to pattern microstrip filters on our custom ceramics, and we develop low-loss, temperature-stable dielectrics that allow us to significantly reduce filter form factors (Figure 1).
Figure 1: Relative DLI brand filter size with materials breakdown.
From there, our custom engineering team uses these miniature filters to create state-of-the-art multi-band filter structures that enable tiny switch filter banks.
Beyond miniaturizing filter components, there’s an opportunity to innovate around packaging. In partnership with Criteria Labs, we’ve established a small but reliable packaging concept for switch filter banks (Figure 2). With consideration for input size and how narrow the output needs to be, a designer has room for more channels.
Figure 2. Knowles Precision Devices and Criteria Labs collaborated on a design to shrink a four-channel switch filter bank.
The design, based on a four-channel filter bank, features a 3D-stacked structure with alternating filters and interposer boards mounted directly to the printed circuit board (PCB). The result is a reduction in internal spacing that ultimately reduces the size of the filter bank.
Knowles Precision Devices produces a wide variety of high-reliability components for use in leading military programs.
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本文由咪猫转载自Knowles Official Website，原文标题为:Switch Filter Banks for Agile RF Receiver Design in Radar，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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目录- Microwave Products Microstrip Filter Overview Filter Catalog Part Number Structure Bandpass Filter Lowpass Filter Highpass Filter Cavity Filters Resonators Notch Filters Custom and Build-to-Print Integrated R-C Networks Couplers Gain Equalizers mmWave Filters Speciality Kits SatCom Offerings User Guidelines:Chip and Wire or Hybrid Assembly User Guidelines:Surface Mount Recommend Reflow for Surface Mount
型号- FPC06302,H100XHXS,PDW08607,PDW08605,PDW08606,AEQ2234,B076MB6S,L288XC3S,PDW07630,AEQ03042,PDW08604,B148LA2S,B280LB0S,B280MD1S,L220XH5S,FPC07643,B056MB5S,B028LB7S,B099NC4S,B191KA1S,B080MB5S,B061MB6S,B033ND5S,PDW07069,B168MB1S,DEB-B274MB1S,DEB-B385MDOS,B083LB6S,L204XF4S,PDR05848,B119LB1S,B065NC5S,B210LA0S,AEQ03055,J30BLBA032LX1,B20BLSBN01,N016MD9S,FHC10290,FHC10291,FHC10292,FHC10293,B012MD5S,FHC10288,FHC10289,J30BJBA002LX3,AEQ05470,AEQ02199,AEQ05471,AEQ05472,B052NC5S,C079KB1S,AEQ05467,AEQ05468,AEQ05469,PDR06120,L157XG3S,B148QF0S,H140XHXS,B350NB2S,B105MB5S,PDW06984,PDR06390,B056RC4S,C142KB0S,PDW09692,B047MC5S,B094LA2S,FPC06630,B032ND5S,B102MC1S,FPC06078,B285LB2S,FPC06077,FPC06076,PDW07948,B115NB4S,B119MB1S,B111NC4S,B230LA0S,AEQ05246,L254XF3S,PDR06380,FPC06075,FPC06074,B042OD4S,FPC06073,B060NC5S,B142LA2S,B145LB1S,B380KA1S,B274MB1S,FPC06882,FPC06881,J30BJBA032LX1,B180MA1S,PDW06407,PDW06089,PDW06400,B192NB2S,PDW06401,H120XHXS,B220LA0S,B280LA0S,B280MC1S,N012ME9S,B118LB4S,B291MB0S,B070MB6S,FHC09097,B121MB4S,FHC09096,B040RG9S,B070NC5S,B393KD0S,J30BLBA002LX3,B095MB1S,B057MC5S,B20BHSBN01,FPC07183,FPC07182,B120MB1S,FPC07181,FPC07180,FPC06149,L128XH4S,FPC07234,AEQ3042,B024RF2S,B100MC5S,AEQ2199,FPC06701,FPC06700,DEB-B259MC1S,PDW08324,PDW08323,B031ND5S,B207LA0S,H080XHXS,B116NC5S,H168XHXS,FPC06154,FPC06153,PDW06933,AEQ3055,FPC07803,FPC07802,L065XG9W,L065XG9S,B138LA2S,B138MB1S,B190MB1S,FPC06152,B055NC5S,FPC06151,FPC06150,B200LA0S,PDW06011,J30BJBA022LX2,B058MD7S,AEQ2050,FPC06164,B28BJBFN01,PDW05758,B089NC4S,FHC09101,B028RF2S,FHC09102,AEQ05510,B260MB2S,FPC06719,B150OG0S,PDW06041,B385MD0S,B062MC55,L050XF9S,AEQ02234,AEQ06042,B149MC1S,B289KA0S,PDW06398,PDW06399,PDW06038,B381KD0S,J30BLBA012LX4,B040MB5S,B112MB1S,B240LA0S,FPC09291,B259MC1S,H160XHXS,B161LA0S,B081RC0S,B250LA0S,B280MF1S,L185XF4S,B096QC2S,FPC06913,B305LA0S,L157XF3W,L060XD9S,L095XG9S,B479KB0S,L185XF4W,B120RF0S,B039NC5S,FPC07337,B160KA1S,B279KB1S,J30BLBA022LX2,H182XHXS,B144MB1S,PDW07691,B038NC4S,B424MEZS,L117XH4S,B097MB0S,L117XH4W,B050ND4S,B016MD6S,B28BHBFN01,B28BTBFN01,B127MB2S,B165LA1S,J30BJBA012LX4,H060XHXS
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目录- FILTERS GENERAL INFORMATION MANUFACTURE AND INSPECTION CHART FILTERS PRODUCT LINES EMI-RFI FEED THROUGH FILTERS CASE FILTERS EMI & TEMPEST FILTER SIGNALS EMI & TEMPEST FILTERS ANCILLARY PROTECTIONS HEMP PROTECTIONS FILTER SIGNALS HEMP, LIGHTNING, TEMPEST, ANCILLARY PROTECTIONS HEMP STANDARD PROTECTIONS HEMP HIGH PERFORMANCE PROTECTIONS MULTILINE FILTERS PROTECTION CABINETS SPECIFIC FILTERS OFFICE TEMPEST ZONING CABINETS EMI-RFI-TEMPEST-HEMP EMI-RFI MINIATURE FILTERS
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- - - MU,BCM-4100-50,HDP-4122-PP-L,FC8995W,PY4-090,HDP-3500-PP,BC-8814-400-PP,HDP-2500-PP-L,HDP-3122-PP,P10-28DC,FL100SV-W,BC-9114-125-PP,HDP-2100-PP,BC-8812-016-PP,AAA SERIES,HDP-4122-PP-C,BDP-3600-••,BC-8814-016-PP,HDP-2500-PP-C,TDP-3064-PP,GEC,BC-9044-032-**,FC8994W,GEE,GED,5 R,HDP-2102-PP-L,PY2-230,TIFT-2048-222,HDP-2250-PP,TIFT-2048-223,TIFT-0144-423,HDP-2102-PP-C,EAX,TDP-4125-PP,GFD,GFC,BC-9112-016-MU,BDP-3400-PP-L,GFE,FL32SV-W,BDP-3400-PP-C,BC-9012-100-**,2 BL 7964 R,HDP-4122-PP,HDP-3100-PP,FP16AW-W,BC-9114-125-MU,BC-9024-064-**,BC-9113 SERIES,TYM-0144-2,TDP-2300-PP,HDP-2800-PP,TIFM-0019-413,GGD,TYM-0144-4,TDP-2064-PP,BC-9112-400-PP,BDP-4600-••,TY SERIES,MAX SERIES,TDP-4010-PP,EPIF45-05A-100DC,HDP-2500-PP,GHD,TDP-3300-PP,EDC,GHE,BCM-2125,4BV,TDP-2032-PP,BC-8812-250-PP,FC8757W,BC-9114-032-PP,BDP-4500-PP-C,BDP-4500-PP-L,FP50AV-W,FP200AW-W,FL200SV-W,ME - - - - MU,BC-9022-032-**,BC-8814-400-MU,P05-240AC,TDP-3102-PP-C,9159-4W,P10-70AC,BC-8814-016-MU,TIFT-0144-223,TDP-3102-PP-L,BC-9014-016-**,HDP-4102-PP,CBB,TDP-4064-PP,BCM-2100,E
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型号- E40BU151Z1PX4,UL SERIES,L128XH4S,J30XXBA012LX4,F15NR0R1M1PX3,P_2CF0R3B5ST,P21BN300MA3976,S20CG250DZNX,C06BL851X-1UN-X0T,G10BU100K5PX10,P21BN300MA04678,NA SERIES,F25NR0R4M1PX3,P_2NR3R0K5ST,P21BN300MA04282,P_2CF0R5B5ST,B056RC4S,C17CF620J-7UN-X0T,D10XXKITA1EX,P62BN820MA02636,D10XXKITA5PX,D10CF0R1B5PX,F20CG0R1M1PX3,B096QC2S,D10BN100K1EX,G20XXKITAPX10,F35CF0R1M1PX3,P21300MA4678,B033ND5S,D15XXKITA5PX,L065XG9S,F25CG0R2M1PX3,P_2BN820Z5ST,P_2CD0R7B5ST,L254XF3S,L095XG9S,C08BL242X-5UN-X0T,D20XXKITA5PX,P21300MA4282,F15CGR08M5PX3,P42BN820MA03152,B28BLSBN01,P21BN300MA04572,L204XF4S,C04BL121X-5UN-X0T,C18BL103X-4GN-XOT,D15XXKITA1EX,F25CFR08M5PX3,PDW05758,D30XXKITA1EX,F20NR0R2M1PX3,P21BN300MA04733,B028RF2S,J30BLBA032LX1,G10XXKITAPX05,AH SERIES,J30XXBA002LX3,P42BN820MA04679,CF SERIES,P_2CG1R5C5ST,T30BV30X45PX,P21300MA4572,P_2CG1R0C5ST,L117XH4S,G15XXKITAPX08,D30XXKITA5PX,D20XXKITA1EX,F40NR0R5M1PX4,G25XXKITAPX10,D25XXKITA5PX,C17AH620J-7UA-X0T,D25XXKITA1EX,F35CG0R4M1PX3,P21BN300MA03976,P21300MA4733,C08BL102X-1UN-X0T,B28BTBFN01,L157XG3S,B148QF0S,C17UL620J-7UN-X0T
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型号- FPC06302,H100XHXS,PDW08607,PDW08605,PDW08606,B076MB6S,L288XC3S,PDW07630,PDW08604,B148LA2S,B280LB0S,B280MD1S,FPC07643,L220XH5S,B056MB5S,B099NC4S,B191KA1S,B080MB5S,B061MB6S,PDW07069,B033ND5S,B168MB1S,DEB-B274MB1S,DEB-B385MDOS,B083LB6S,L204XF4S,PDR05848,B119LB1S,B065NC5S,B210LA0S,J30BLBA032LX1,B084MC6S,B20BLSBN01,N016MD9S,B012MD5S,J30BJBA002LX3,B052NC5S,C079KB1S,PDR06120,L157XG3S,B148QF0S,H140XHXS,FPC10207,B350NB2S,B105MB5S,B114MB1S,PDW06984,PDR06390,B056RC4S,C142KB0S,PDW09692,B047MC5S,B094LA2S,FPC06630,FPC06078,B032ND5S,B102MC1S,B285LB2S,FPC06077,FPC06076,PDW07948,B119MB1S,B115NB4S,B111NC4S,B230LA0S,L254XF3S,PDR06380,FPC06075,FPC06074,FPC06073,B042OD4S,B142LA2S,B060NC5S,B145LB1S,B380KA1S,B274MB1S,FPC06882,B032OD5S,FPC06881,J30BJBA032LX1,B180MA1S,PDW06407,PDW06089,PDW06400,PDW06401,B192NB2S,J30XXBA002LX3,H120XHXS,B100RH2W,B220LA0S,B280LA0S,B280MC1S,N012ME9S,B118LB4S,B291MB0S,B070MB6S,B121MB4S,B040RG9S,B070NC5S,B393KD0S,J30BLBA002LX3,B095MB1S,AFL09387,B057MC5S,B20BHSBN01,FPC07183,FPC07182,FPC07181,B120MB1S,FPC07180,B021MC8S,FPC06149,L128XH4S,FPC07234,B024RF2S,B100MC5S,FPC06701,FPC06700,DEB-B259MC1S,PDW08324,PDW08323,B031ND5S,B207LA0S,H080XHXS,B116NC5S,H168XHXS,B100MH0W,FPC06154,FPC06153,PDW06933,FPC07803,FPC07802,L065XG9W,L065XG9S,B138LA2S,B138MB1S,B190MB1S,FPC06152,FPC06151,B055NC5S,FPC06150,B200LA0S,PDW06011,J30XXBA012LX4,J30BJBA022LX2,B058MD7S,FPC06164,B28BJBFN01,PDW05758,B089NC4S,B028RF2S,B260MB2S,FPC06719,B150OG0S,PDW06041,B385MD0S,B062MC55,L050XF9S,B149MC1S,B289KA0S,PDW06398,PDW06399,PDW06038,B381KD0S,J30BLBA012LX4,B040MB5S,B112MB1S,B240LA0S,FPC09291,B259MC1S,H160XHXS,B161LA0S,B038MC9S,B081RC0S,B250LA0S,B280MF1S,L185XF4S,B096QC2S,FPC06913,B305LA0S,B424MB1S,L157XF3W,B120RF0W,L060XD9S,L095XG9S,B479KB0S,L185XF4W,B120RF0S,B039NC5S,FPC07337,ADP09388,B160KA1S,B279KB1S,J30BLBA022LX2,H182XHXS,B144MB1S,PDW07691,B038NC4S,L117XH4S,B097MB0S,L117XH4W,B050ND4S,H026XHXW,B016MD6S,B28BHBFN01,B28BTBFN01,B127MB2S,B165LA1S,J30BJBA012LX4,H060XHXS
Filter Type SFSWG Solder Mount Hermetic EMI Filter (3.25mm Body Diameter, Glass Hermetic Sealed Flange End) Datasheet
型号- SFSWG5000471MC0,SFSWG,SFSWG1000223MX0,SFSWG5000151MC0,SFSWG1000333MX0,SFSWG5000220ZC0,SFSWG5000101MC0,SFSWG2000153MX0,SFSWG5000330ZC0,SFSWG5000680ZC0,SFSWG5000102MX0,SFSWG5000103MX0,SFSWG2000223MX0,SFSWG5000681MX0,SFSWG5000682MX0,TYPE SFSWG,SFSWG5000470ZC0,SFSWG5000221MC0,SFSWG5000332MX0,SFSWG5000222MX0,SFSWG5000100ZC0,SFSWG5000472MX0,SFSWG5000331MC0,SFSWG5000152MX0
Smiths Interconnect New Lowpass RF Filter Solutions in the X Band Ideal for Radar, SATCOM, and Satellite Industries
Smiths Interconnect announces the launch of its Planar X Series of Thin Film Lowpass Filters designed for applications in harsh environments. Planar X Series provides system engineers with a high-performance, compact solution for critical RF filtering in the X band.
新产品 发布时间 : 2023-05-27
Filter Basics about Different Approaches to Q Factor
In part 7 of this series, Knowles performs a deep dive on the different ways you can think about the Q factor for the components going into your filter or your filter as a whole.
应用方案 发布时间 : 2022-07-31
Understanding RF Filter Requirements for Mission Critical Applications
Smiths Interconnect‘s is committed to providing technically advanced, high quality “state-of-the-art” RF Filters, Multiplexers, Switched Filter Banks, and Integrated assemblies, from 100 KHz to 65 GHz. With exceptional performance, wide bandwidth, compact design, and customization options, these filters are poised to enhance signal integrity and reliability across various harsh environments. As technology continues to advance, Smiths Interconnect remains a reliable partner in delivering cutting-edge solutions that drive the progress of the aerospace, defense, and telecommunications sectors.
技术探讨 发布时间 : 2024-03-16
ITT（埃梯梯） Cannon Chip-on-Flex（CoF）滤波连接器选型指南
目录- Cannon Chip-on-Flex Filter Connector
型号- 38999-STYLE SERIES,CFKJA0E*N*LPNP
P-DUKE MCF Series Highly Integrated DC/DC Front-end Filters Accepting 9-36Vdc Input Voltage for Military and Rolling Stock Applications
P-DUKE has launched the new MCF series which are front-end filters for P-DUKE COTS (commercial-off-the-shelf) DC/DC converters to comply with the requirements of MIL-STD 1275D and MIL-STD 461. This filter series accepts 9-36Vdc input voltage (50Vdc for 1 sec.) .
新产品 发布时间 : 2023-04-20
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整体外形尺寸小至0.6*0.3*0.3mm (DFN0603)，工作电压范围覆盖2.5V~36V，电容值低至0.2pF，浪涌能力最高可达240安培，静电等级可达空气放电、接触放电±30KV。提供免费浪涌测试仪、静电测试仪测试。
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