VLF-400

Coaxial Low Pass Filter DC to 400 MHz 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-400 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. VLF-400 DC-400 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 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) 1.00 100.00 250.00 400.00 560.00 650.00 680.00 1000.00 1500.00 2000.00 3000.00 3500.00 4000.00 5000.00 5500.00 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 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 ) B .410 10.41 D 1.43 36.32 E .312 7.92 wt. grams 10.0 VLF-400 INSERTION LOSS 80 INSERTION LOSS (dB) 70 60 40 30 20 10 0 0 1000 2000 3000 4000 5000 6000 FREQUENCY (MHz) 50 VLF-400 VSWR 1000 100 ...