Mini-circuits Low Pass Filter DC to 490 MHz
Contents
1. 5 if LFC N 490 ny FA Ceramic Low Pass Filter DC to 490 MHz Maximum Ratings Operating Temperature 55 C to 100 C 55 C to 100 C 8 5W max at 25 C DC Current Input to Output 0 5A max at 25 C Passband rating derate linearly to 3 5W at 100 C ambient Storage Temperature RF Power Input Pin Connections RF IN i RF OUT 3 GROUND 2 4 RF IN amp RF OUT can be interchanged Outline Drawing Uj A 4 SIDE VIEW D TYP GZ A YY A A Ac o f E TYP ERONT VIEW ON Go ENS ve JEF Li MAX H G SUGGESTED LAYOUT FOR PCB PATTERN PATTERN TO BE WITHIN 002 TOLERANCE UNLESS OTHERWISE STATED 2 PLACE DECIMALS 01 3 PLACE DECIMALS 005 Outline Dimensions A B C D E F G H 126 063 039 020 032 009 169 087 8 20 160 099 0 51 0 81 023 429 2 21 J K L M N P wt 024 122 024 087 012 071 grams 0 61 310 061 221 030 180 020 Demo Board MCL P N TB 270 Suggested PCB Layout PL 137 098 072 4 se LINE WIDTH 2 PL ai SEE NOTE BELOW 17 s 013 GAP FAL TYP 9 015 PTH 8 PL 038 019 2 PL DUT PACKAGE OUTLINE NOTE 1 TRACE WIDTH IS SHOWN FOR ROGERS RO4350 WITH DIELECTRIC THICKNESS 020 0015 COPPER 1 2 OZ EACH SIDE FOR OTHER MATERIALS TRACE WIDTH MAY NEED TO BE MODIFIED 2 BOTTOM SIDE OF THE PCB IS CONTINUOUS GROUND PLANE DENOTES PCB COPPER LAYOUT DENOTES COPPER LAND PATTERN FREE2. 2000 3000 4000 5000 6000 0 1000 2000 3000 4000 5000 6000 FREQUENCY MHz FREQUENCY MHz designers kit available Kit No of R Price No Units in Kit Description per Kit K1 LFCN 35 5ofeach LFCN 225 320 400 490 530 575 630 99 95 INTERNET http www minicircuits com REV B M InI C ircu its P O Box 350166 Brooklyn New York 11235 0003 718 934 4500 Fax 718 332 4661 aa Distribution Centers NORTH AMERICA 800 654 7949 e 417 335 5935 e Fax 417 335 5945 e EUROPE 44 1252 832600 e Fax 44 1252 837010 a i Circuits ISO 9001 amp ISO 14001 Certif 050113
3. OF SOLDERMASK new LFCN 490 oe Features e excellent power handling 8 5W L4 BLUE CELL e small size e 7 sections CASE STYLE FV1206 e temperature stable Model Price Qty e patent pending LFCN 490 2 99 10 49 LFCN 490D 3 49 10 49 Applications e harmonic rejection e VHF UHF transmitters receivers e RF suppression for DC lines on PCB e anti aliasing for A D converter Low Pass Filter Electrical Specifications Tays 25 C NO OF SECTIONS PASSBAND fco MHz STOP BAND MHz MHz Nom loss dB loss lt 1 dB loss 3 dB f 20 40 fr 20 Stopband Passband Max Typ Min Typ Typ Typ Typ LFCN 490 DC 490 780 880 2500 6000 20 1 2 1 For Applications requiring DC voltage to be applied to the Input or output use LFCN 490D DC Resistance to ground is 100 Mohms min typical frequency response VSWR 1 schematic RF IN RF OUT KY ATTENUATION dB feo 20 TR 20 dB FREQUENCY Typical Performance Data at 25 C Frequency Insertion Loss MHz dB 1 00 100 00 250 00 500 00 600 00 650 00 700 00 780 00 880 00 1000 00 2500 00 3500 00 4500 00 5500 00 6000 00 LFCN 490 LFCN 490 INSERTION LOSS m VSWR 0 oO N oO Q oO ol oO wo oO INSERTION LOSS dB A VSWR 3 pe oO i oO oO e 0 1000
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