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| FF....L SERIES LOW PASS VIDEO FILTER STEEPNESS FACTOR 1.35 These low pass video filters are intended for bandwidth limitation over the video range of frequencies. The filters are 7-pole Elliptical Function networks which have been equalised to correct for group delay distortion over 95% of the passband and for loss distortion over the entire passband. Degradation of a composite video signal is minimal when a 4.5 MHz or 5.5 MHz filter is selected for a 525 or 625 line T.V. system. Typical uses are to suppress sound or telephone channels placed above and close to the video band. The standard filters are specified. We would be pleased to examine special requirements. Order Code FF0200L* FF0250L* FF0300L* FF0350L* FF0400L* FF0450L* FF0500L* FF0550L* FF0600L* FF0650L* FF0700L* FF0750L* FF0800L* FF0850L* FF0900L* FF0950L* FF1000L* * insert End of Passband MHz Start of Stopband MHz Delay Time ns 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.00 2.69 3.37 4.04 4.71 5.38 6.06 6.73 7.40 8.08 8.75 9.42 10.10 10.77 11.44 12.13 12.79 13.46 1274 1019 850 728 637 566 510 463 425 392 364 340 319 300 383 268 255 DR00020B DR00029A suffix `D' for DIP package eg FF0500LD suffix `B' for BNC package eg FF0500LB Other data Impedance 75 ohms Insertion Loss < 1.5 dB Stopband attenuation wrt 100 kHz > 45 dB Amplitude ripple in passband < 0.2 dB Video performance for filters of 5.0 MHz (4.5 MHz for 525 line) and above. Pulse and bar: K - rating < 0.5 % Luminance/Chrominance Gain inequality (20T) < 1.5 % Luminance/Chrominance Delay inequality < 5 ns Aqueous Washable No Package DR00020B (c) Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice FARA170d Page 1 of 2 Dec-99(A) PACKAGE DETAIL Faraday Technology Ltd. Croft Road Industrial Estate, Newcastle, Staffordshire ST5 0QZ. England. FARA170d Tel: Fax: Email: Web site: Page 2 of 2 + 44 (0)1782 661501 + 44 (0)1782 630101 sales@faradaytech.co.uk http://www.faradaytech.co.uk Dec-99(A) |
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