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| FF....P SERIES LOW PASS VIDEO FILTER STEEPNESS FACTOR 1.14 These low pass video filters are intended for bandwidth limitation over the video range of frequencies where it is required to attenuate frequencies close to the edge of the passband. The filters are 9-pole Elliptical Function networks which have been equalised to correct for group delay distortion over 80% 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. Order Code FF0300P* FF0350P* FF0400P* FF0450P* FF0500P* FF0550P* FF0600P* FF0650P* FF0700P* FF0750P* FF0800P* FF0850P* FF0900P* FF0950P* FF1000P* * insert End of Passband MHz Start of Stopband MHz Group Delay Ripple ns Delay Time ns 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 3.42 3.99 4.56 5.13 5.70 6.27 6.84 7.41 7.98 8.55 9.12 9.69 10.26 10.83 11.40 25 20 20 17 17 17 15 15 15 10 10 10 10 10 10 DR00020B DR00029A 1063 910 798 710 638 580 530 490 455 425 400 375 355 335 320 suffix `D' for DIP package eg FF0500PD suffix `B' for BNC package eg FF0500PB Other data Impedance 75 ohms Insertion Loss < 2.0 dB Stopband attenuation wrt 100 kHz > 45 dB Amplitude ripple in passband < 0.2 dB Video performance for filters of 5.5 MHz (4.5 MHz for 525 line) and above. Pulse and bar: K - rating < 1.0 % Luminance/Chrominance Gain inequality (20T) < 1.5 % Luminance/Chrominance Delay inequality < 5 ns Aqueous Washable No (c) Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice FARA168d Page 1 of 2 Dec-99(A) PACKAGE DETAIL Faraday Technology Ltd. Croft Road Industrial Estate, Newcastle, Staffordshire ST5 0QZ. England. FARA168d 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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