Coaxial Low Pass Filter 50 VLFX-540 DC to 540 MHz (40 dB Isolation up to 20 GHz) Maximum Ratings Features Operating Temperature -55C to 100C Storage Temperature -55C to 100C RF Power Input* 10W max. at 25C *Passband rating, derate linearly to 3.5W at 100C ambient. * very good isolation, 40 dB up to 20 GHz * 21 sections * excellent power handling, 10W * temperature stable LTCC internal structure * re-entry frequency > 20 GHz * rugged unibody construction * protected by US patent 6,943,646 CASE STYLE: FF1118 Connectors Model Price Qty. SMA VLFX-540 $39.95 ea. (1-9) + RoHS compliant in accordance with EU Directive (2002/95/EC) Applications * * * * harmonic rejection transmitters/receivers lab use test instrumentation Outline Drawing Low Pass Filter Electrical Specifications @ 25C MODEL NO. SMA FEMALE CONN SMA MALE CONN PASSBAND (MHz) fco, MHz Nom STOPBAND (MHz) (Loss, dB) (Loss < 1.2dB) Max. (Loss 3 dB) Typ f20 Min. f40 Typ. Stopband Typ. Passband Typ. DC-540 810 1000 1100-20000 10 1.2 VLFX-540 B MAX Typical Frequency Response E ACROSS FLATS ATTENUATION (dB) D .05 The +Suffix has been added in order to identify RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications. E .312 7.92 21 RF OUT RF IN 20 dB 3 dB 1 dB >20 GHz Typical Performance Data @ 25C Outline Dimensions (inch mm ) wt. grams 17.0 Frequency (MHz) Insertion Loss (dB) 50 250 400 540 620 0.32 0.46 0.69 0.95 1.21 1.07 1.09 1.06 1.15 1.24 700 810 880 1000 1100 1.64 3.08 8.81 32.81 46.43 1.28 1.25 3.45 10.22 13.44 1500 2000 3000 5000 7500 50.47 65.72 73.08 61.13 70.11 26.44 39.98 74.63 68.07 49.82 10000 12500 15000 17500 20000 80.55 72.73 78.70 67.07 56.88 29.49 4.71 21.69 4.77 12.07 VSWR (:1) VLFX-540 VSWR VLFX-540 INSERTION LOSS 100 100 90 80 70 60 VSWR INSERTION LOSS(dB) D 2.67 67.82 NO. OF SECTIONS Functional Schematic 40 dB fco f20 f40 FREQUENCY B .39 9.91 VSWR (:1) 50 10 40 30 20 10 0 1 0 4000 8000 12000 16000 20000 0 FREQUENCY (MHz) Mini-Circuits (R) 4000 8000 12000 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 16000 20000 REV. A M97025 VLFX-540 EDU-0399 ED-11930A/9 URJ/AD/CP 061120