? faraday technology. as part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice fara074.doc page 1 of 2 jun-99 (a) aqueously washable compliant to smpte 260m, 274m, 296m, itu-r bt709-2 (1125/60) passive or zero loss hybrid versions integer n o of clock delays between luma and chroma filters plastic, screened metal or 40 pin dip package pre and post luminance and chrominance filters type number hb7425f** hb7425s** hb3712f** HB3712S** impedance (ohms) 75 75 75 75 filter shape lowpass lowpass lowpass lowpass passband shape flat sinx/x flat sinx/x sampling frequency (s.f) 74.25 mhz 74.25 mhz 37.125 mhz 37.125 mhz insertion loss at 100 khz 1 < 1.3 db < 4.75 db < 1.0 db < 4.5 db end of passband 30.0 mhz 30.0 mhz 15.0 mhz 15.0 mhz amplitude ripple < 0.05 db < 0.05 db 2 < 0.05 db < 0.05 db 3 (wrt 100 khz) insertion delay at 200 khz 112 1 ns 112 1 ns 220 1 ns 215 1 ns group delay ripple < 1ns to 20.0 mhz < 1ns to 20.0 mhz < 2ns to 10.4 mhz < 2ns to 10.4 mhz (wrt delay at 200 khz) < 1.5ns to 30 mhz < 1.5ns to 30 mhz < 3ns to 15 mhz < 3ns to 15 mhz attenuation at 1 / 2 s.f. > 12 db > 12 db 2 > 6 db > 6 db 3 (wrt loss at 100 khz) > 40 db frequency 44.250 mhz 44.250 mhz 22.125 mhz 22.125 mhz (wrt loss at 100 khz) start of stopband 54.2025 mhz 54.2025 mhz 27.1250 mhz 27.1250 mhz stopband attenuation > 50 db > 50 db > 50 db > 50 db (wrt loss at 100 khz) power (hybrid versions 5v 5ma per rail part numbering hb ???? ? ? ? package drg no d - dr00170a sampling sf - 7425 e - dr00098b frequency sf - 3712 f - dr00069b g - dr00172a passband s - s in/x p - passive shape f - flat h - hybrid example part number hb7425spd is a passive, luminance sinx/x corrected for a s.f. of 74.25 mhz packaged in a 40 pin dip package as dr00170a. other sampling frequencies are available upon request. 1 hybrid versions have 0 db insertion loss. 2 measured against sinx/x roll off for a sampling frequency of 74.25 mhz 3 measured against sinx/x roll off for a sampling frequency of 37.125 mhz hb series hdtv filters full smpte 260m, smpte 274m compliant
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 fara074.doc page 2 of 2 jun-99 (a)
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