LFCN-490

Ceramic Low Pass Filter DC to 490 MHz Maximum Ratings Operating Temperature Storage Temperature RF Power Input* DC Current Input to Output -55°C to 100°C -55°C to 100°C 8.5W max. at 25°C 0.5A max. at 25°C ! NEW LFCN-490 Features • • • • • excellent power handling, 8.5W small size 7 sections temperature stable patent pending CASE STYLE: FV1206 Model LFCN-490 LFCN-490D Price $2.99 $3.49 Qty. (10-49) (10-49) *Passband rating, derate linearly to 3.5W at 100°C ambient. Applications • • • • harmonic rejection VHF/UHF transmitters/receivers RF suppression for DC lines on PCB anti-aliasing for A/D converter Pin Connections RF IN RF OUT GROUND **RF IN & RF OUT can be interchanged 1** 3** 2,4 Low Pass Filter Electrical Specifications1 (TAMB=25°C) MODEL NO. PASSBAND (MHz) (loss < 1 dB) Max. LFCN-490 DC-490 Outline Drawing fco, MHz Nom. (loss 3 dB) Typ. 650 STOP BAND (MHz) (loss, dB) f 20 Min. 780 40 Typ. 880-2500 fr 20 Typ. 6000 VSWR (:1) Stopband Typ. 20 Passband Typ. 1.2 NO. OF SECTIONS 7 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 ATTENUATION (dB) 40dB 20dB schematic RF IN RF OUT 3dB 1dB f co f 20 FREQUENCY fR 20 dB Typical Performance Data at 25°C Frequency (MHz) 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 INSERTION LOSS 80 70 INSERTION LOSS (dB) Insertion Loss (dB) 0.05 0.22 0.39 0.86 1.52 2.37 5.08 27.49 44.92 41.68 75.47 38.94 36.38 20.80 21.07 LFCN-490 VSWR 100 VSWR (:1) 1.01 1.05 1.02 1.07 1.45 1.85 3.10 12.99 19.76 25.94 51.10 51.10 30.49 24.14 22.00 Outline Dimensions ( inch ) mm A .126 3.20 J .024 0.61 B .063 1.60 K .122 3.10 C .039 0.99 L .024 0.61 D .020 0.51 M .087 2.21 E .032 0.81 N .012 0.30 F .009 0.23 G .169 4.29 H .087 2.21 P wt. .071 grams 1.80 .020 Demo Board MCL P/N: TB-270 Suggested PCB Layout (PL-137) 60 50 40 30 20 10 0 0 1000 2000 3000 4000 5000 6000 FREQUENCY (MHz) 1 0 1000 2000 3000 4000 5000 6000 FREQUENCY (MHz) VSWR 10 designers kit available Kit No. K1-LFCN No. of Units in Kit 35 Description 5 of each: LFCN-225, -320, -400, -490, -530, -575, -630 Price $ per Kit 99.95 REV. B M96263 LFCN-490 EDR-6588/4 RVN/AD/CP 050113 Mini-Circuits ® INTERNET http://www.minicircuits.com P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010 Mini-Circuits ISO 9001 & ISO 14001 Certified