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| ANTIALIASING AND RECONSTRUCTION FILTERS TFT RANGE YUV COMPONENT SAMPLING These very small, low cost filters are intended for use with A-D and D-A video converters where some deviation from full ITU-R BT601 standard can be tolerated, ie single pass applications. These filters are designed for use in 4:2:2 sampling systems, ie 13.5 MHz for the luminance (Y) channel and 6.75 MHz for the chrominance (U and V) channels. * Ideal for single pass or monitor outputs * Small size * Choice of package format to suit requirement * Excellent pulse characteristics Type Number Impedance (ohms) Filter Shape Passband Shape Sampling Frequency Insertion loss at 100 kHz End of Passband Amplitude ripple Delay time at 200 kHz Group delay ripple Attenuation at 1/2 S.F. wrt loss at 100 kHz TFT1350F 75 Lowpass Flat 13.50 MHz < 1.5 dB 5.5 MHz < 0.2 dB 287 ns < 15 ns 12 2 dB 8.00 MHz TFT1350S 75 Lowpass Sinx/x 13.50 MHz < 4.5 dB 5.5 MHz < 0.3 dB1 306 ns < 15 ns > 5.0 MHz 12 2 dB 8.00 MHz > 40 dB < 0.5% Yes DR00008B TFT0675F 75 Lowpass Flat 6.75 MHz TFT0675S 75 Lowpass Sinx/x 6.75 MHz < 3.0 dB 2.2 MHz < 0.3 dB2 417 ns < 30 ns > 2.2 MHz 12 2 dB 4.20 MHz 40 dB nominal < 4% Yes DR00008B < 1.5 dB 2.2 MHz < 0.2 dB 430 ns < 30 ns > 2.2 MHz 12 2 dB 4.20 MHz 40 dB nominal < 4% Yes DR00005A Group delay equalised bandwidth > 5.0 MHz Start of stopband Stopband attenuation > 40 dB Kp-rating - 2T sinesquared pulse < 0.5% T=100 ns Aqueous Washable Package size Yes DR00008B 1 2 Measured against sinx/x roll-off for a sampling frequency of 13.5 MHz. Measured against sinx/x roll-off for a sampling frequency of 6.75 MHz. (c) Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice FARA056d Page 1 of 2 Dec-99(B) PACKAGE DETAIL Faraday Technology Ltd. Croft Road Industrial Estate, Newcastle, Staffordshire ST5 0QZ. England. FARA056d 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(B) |
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