LFCN-400

Ceramic Low Pass Filter DC to 400 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-400 Features • • • • • • • • • excellent power handling, 8.5W small size 7 sections temperature stable patent pending harmonic rejection VHF/UHF transmitters/receivers RF suppression for DC lines on PCB anti-aliasing for A/D converter CASE STYLE: FV1206 Model LFCN-400 LFCN-400D Price $2.99 $3.19 Qty. (10-49) (10-49) *Passband rating, derate linearly to 3.5W at 100°C ambient. Applications 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-400 DC-400 Outline Drawing fco, MHz Nom. (loss 3 dB) Typ. 560 STOP BAND (MHz) (loss, dB) f 20 Min. 660 40 Typ. 680-3000 fr 20 Typ. 5500 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-400D (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) 1.00 100.00 250.00 400.00 560.00 650.00 680.00 1000.00 1500.00 2000.00 3000.00 3500.00 4000.00 5000.00 5500.00 LFCN-400 INSERTION LOSS 80 70 INSERTION LOSS (dB) Insertion Loss (dB) 0.06 0.24 0.46 0.82 3.32 29.34 40.84 45.29 67.47 55.97 40.46 34.35 31.93 21.90 20.67 LFCN-400 VSWR 1000 VSWR (:1) 1.02 1.08 1.08 1.11 2.23 13.37 16.68 40.90 62.43 61.67 52.99 50.78 43.48 31.07 25.87 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 100 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 M95167 LFCN-400 EDR-6588/3 RVN/AD/CP 041221 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