Ceramic ! NEW Low Pass Filter LFCN-225 DC to 225 MHz Maximum Ratings Features Operating Temperature -55°C to 100°C Storage Temperature -55°C to 100°C RF Power Input* 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. • • • • 1** RF OUT 3** GROUND 2,4 CASE STYLE: FV1206 PRICE: $ 2.99 ea. QTY (10-49) Applications Pin Connections RF IN 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 Low Pass Filter Electrical Specifications (TAMB=25°C) **RF IN & RF OUT can be interchanged MODEL NO. Outline Drawing STOP BAND (MHz) (loss, dB) VSWR (:1) fco, MHz Nom. (loss < 1 dB) Max. (loss 3 dB) Typ. f 20 Min. 40 Typ. fr 20 Typ. Stopband Typ. Passband Typ. DC-225 350 460 510-2500 5500 20 1.2 LFCN-225 typical frequency response ATTENUATION (dB) NO. OF SECTIONS PASSBAND (MHz) 7 schematic RF IN 40dB RF OUT 20dB 3dB 1dB f co f 20 fR 20 dB FREQUENCY Typical Performance Data at 25°C Frequency (MHz) B .063 1.60 C .039 0.99 D .020 0.51 E .032 0.81 F .009 0.23 G .169 4.29 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) 0.09 0.36 0.89 2.70 31.16 42.44 49.75 66.15 41.71 34.59 30.04 26.30 23.26 21.80 20.10 1.02 1.04 1.03 1.91 12.52 19.32 54.29 72.39 59.91 56.04 51.10 33.42 20.45 26.33 19.32 1.00 100.00 250.00 350.00 440.00 510.00 1000.00 1500.00 2500.00 3000.00 3500.00 4000.00 4500.00 5000.00 5500.00 Outline Dimensions ( inch mm ) A .126 3.20 Insertion Loss (dB) H .087 2.21 Demo Board MCL P/N: TB-270 Suggested PCB Layout (PL-137) LFCN-225 INSERTION LOSS LFCN-225 VSWR 80 1000 60 100 50 VSWR INSERTION LOSS (dB) 70 40 30 10 20 10 0 1 0 1000 2000 3000 4000 5000 6000 0 1000 FREQUENCY (MHz) 2000 3000 4000 5000 6000 FREQUENCY (MHz) designers kit available Kit No. K1-LFCN ® Mini-Circuits No. of Units in Kit 35 Description 5 of each: LFCN-225, -320, -400, -490, -530, -575, -630 Price $ per Kit 99.95 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 ISO 9001 CERTIFIED REV. A M91608 LFCN-225 EDR-6588/1 RVN/AD/CP 040323