VLF-490

Coaxial Low Pass Filter DC to 490MHz Maximum Ratings Operating Temperature Storage Temperature RF Power Input -55°C to 100°C -55°C to 100°C 8.5*W max. at 25°C ! NEW VLF-490 Features low cost small size 7 sections temperature stable patent pending CASE STYLE: FF704 PRICE: $19.95 ea. QTY (10-24) DC Current Input to Output 0.5A max. at 25°C *Passband rating, derate linearly to 3.5W at 100°C ambient. Applications harmonic rejection transmitters/receivers lab use Low Pass Filter Electrical Specifications (TAMB=25°C) MODEL NO. PASSBAND (MHz) (loss < 1 dB) Max. LFCN-490 DC-490 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 Outline Drawing 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 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 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 ) B .410 10.41 D 1.43 36.32 E .312 7.92 wt. grams 10.0 80 INSERTION LOSS (dB) 70 60 40 30 20 10 0 0 1000 50 INSERTION LOSS 100 VSWR VSWR 2000 3000 4000 5000 6000 10 1 0 1000 2000 3000 4000 5000 60...