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| GFG SERIES ANTIALIASING FILTERS These very small, low cost, filters are intended for use with A-D and D-A video converters where some deviation from full multicodec standards is allowed. The cut off rate is slower than recommended to reduce time domain ringing. The filters are designed for use in systems adhering to the EBU standard for 4:2:2 A-D and D-A conversion i.e. sampling rates of 13.5 MHz for the luminance (Y) channel and 6.75 MHz for the chrominance (U and V) channels. The pre-filters have a flat passband and the post-filters are shaped to provide sinx/x correction. Filters suitable for different sampling rates or with various losses at the half sampling frequency can be supplied. LUMA Type Number Filter Shape Passband Shape Sampling Frequency Insertion Loss at 100 kHz End Of Passband Passband Amplitude Ripple Loss at half S.F. Start Of Stopband Stopband Attenuation Delay Time at 200 kHz Pulse and bar: K - rating Impedance Temperature Range Aqueous Washable Package Type GFG1350F Lowpass Flat 13.5 MHz < 1.5 dB 5.2 MHz 0.1 dB max 12 dB + 2 dB 8.6 MHz 40 dB min 200 ns + 5 ns 1% 75 ohms 0C to 70C Yes DR00008B GFG1350S Lowpass Sinx/x 13.5 MHz < 4.5 dB 5.2 MHz 0.1 dB max 12 dB + 2 dB 8.6 MHz 40 dB min 230 ns + 5 ns 1% 75 ohms 0C to 70C Yes DR00008B CHROMA GFG0675F Lowpass Flat 6.75 MHz < 1.5 dB 2.2 MHz 0.1 dB max 12 dB + 2 dB 4.4 MHz 40 dB min 430 ns + 5 ns 4% 75 ohms 0C to 70C Yes DR00226A GFG0675S Lowpass Sinx/x 6.75 MHz < 2.5 dB 2.2 MHz 0.1 dB max 12 dB + 2 dB 4.4 MHz 40 dB min 435 ns + 5 ns 4% 75 ohms 0C to 70C Yes DR00008B (c) Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice FARA174d Page 1 of 2 Dec-99(A) PACKAGE DETAIL Faraday Technology Ltd. Croft Road Industrial Estate, Newcastle, Staffordshire ST5 0QZ. England. FARA174d 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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