Ceramic ! NEW Low Pass Filter LFCN-1800 DC to 1800 MHz Maximum Ratings Features Operating Temperature -55°C to 100°C Storage Temperature -55°C to 100°C RF Power Input* 10W max. at 25°C DC Current Input to Output 0.5A max. at 25°C • • • • • excellent power handling, 10W small size 7 sections temperature stable patent pending *Passband rating, derate linearly to 3.5W at 100°C ambient. Applications Pin Connections • harmonic rejection • VHF/UHF transmitters/receivers • lab use RF IN 1** RF OUT 3** GROUND 2,4 CASE STYLE: FV1206 Model LFCN-1800 LFCN-1800D Price $2.99 $3.49 Qty. (10-49) (10-49) Low Pass Filter Electrical Specifications1 (TAMB=25°C) **RF IN & RF OUT can be interchanged MODEL NO. Outline Drawing LFCN-1800 STOP BAND (MHz) (loss, dB) VSWR (:1) NO. OF SECTIONS PASSBAND (MHz) fco, MHz Nom. (loss < 1 dB) Max. (loss 3 dB) Typ. f 20 Min. 30 Typ. fr 20 Typ. Stopband Typ. Passband Typ. DC-1800 2125 2425 2500-7200 8600 20 1.2 7 1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-1800D (DC Resistance to ground is 100 Mohms min.) typical frequency response schematic ATTENUATION (dB) RF IN RF OUT 40dB 20dB 3dB 1dB f co f 20 fR 20 dB FREQUENCY Typical Performance Data at 25°C Frequency (MHz) B .063 1.60 C .037 0.94 D .020 0.51 E .032 0.81 F .009 0.23 G .169 4.29 H .087 2.21 J .024 0.61 K .122 3.10 L .024 0.61 M .087 2.21 N .012 0.30 P wt .071 grams 1.80 .020 VSWR (:1) 0.07 0.21 0.41 0.62 0.86 0.90 1.21 2.29 32.51 33.42 38.61 37.95 32.93 20.55 19.80 1.01 1.11 1.24 1.24 1.06 1.07 1.22 1.88 15.53 17.05 42.38 34.07 24.48 18.90 17.39 100.00 500.00 1000.00 1500.00 1850.00 1875.00 2000.00 2125.00 2450.00 2500.00 4000.00 6000.00 7200.00 8800.00 9000.00 Outline Dimensions ( inch mm ) A .126 3.20 Insertion Loss (dB) Demo Board MCL P/N: TB-270 Suggested PCB Layout (PL-137) LFCN-1800 INSERTION LOSS LFCN-1800 VSWR 100 50 40 VSWR INSERTION LOSS (dB) 60 30 10 20 10 0 1 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 0 FREQUENCY (MHz) ® Mini-Circuits 1000 2000 3000 4000 5000 6000 7000 8000 9000 FREQUENCY (MHz) 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 REV. B M96263 LFCN-1800 ED-11960/4 AD/CP/AM 050113