? 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) 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 chroma type number GFG1350F gfg1350s gfg0675f gfg0675s filter shape lowpass lowpass lowpass lowpass passband shape flat sinx/x flat sinx/x sampling frequency 13.5 mhz 13.5 mhz 6.75 mhz 6.75 mhz insertion loss at 100 khz < 1.5 db < 4.5 db < 1.5 db < 2.5 db end of passband 5.2 mhz 5.2 mhz 2.2 mhz 2.2 mhz passband amplitude ripple 0.1 db max 0.1 db max 0.1 db max 0.1 db max loss at half s.f. 12 db + 2 db 12 db + 2 db 12 db + 2 db 12 db + 2 db start of stopband 8.6 mhz 8.6 mhz 4.4 mhz 4.4 mhz stopband attenuation 40 db min 40 db min 40 db min 40 db min delay time at 200 khz 200 ns + 5 ns 230 ns + 5 ns 430 ns + 5 ns 435 ns + 5 ns pulse and bar: k - rating 1% 1% 4% 4% impedance 75 ohms 75 ohms 75 ohms 75 ohms temperature range 0c to 70c 0c to 70c 0c to 70c 0c to 70c aqueous washable yes yes yes yes package type dr00008b dr00008b dr00226a dr00008b gfg series antialiasing filters
package detail faraday technology ltd. tel: + 44 (0)1782 661501 croft road industrial estate, fax: + 44 (0)1782 630101 newcastle, staffordshire email: sales@faradaytech.co.uk st5 0qz. england. web site: http://www.faradaytech.co.uk fara174d page 2 of 2 dec-99 (a)
|
