LOW COST HDTV FILTERS HF SERIES The HF range of low cost HDTV filters are available in a choice of miniature packages and give near SMPTE 274M performance suitable for single pass or monitor applications. • • • • • • Aqueous washable Ideal for monitor outputs SIL or SMD package Near SMPTE 274M performance Pre and Post, Luminance and Chrominance filters Integer N0 of clock delays between Luminance and Chrominance Filters Filter Type HF7425FP* HF3712FP* HF7425SP* HF3712SP* Filter Shape Lowpass Lowpass Lowpass Lowpass Passband Shape Flat Flat Sinx/x Sinx/x Sampling Frequency 74.25 MHz 37.125 MHz 74.25 MHz 37.125 MHz Insertion Loss at 100 kHz < 1.0 dB < 1.0 dB < 5.0 dB < 5.0 dB End Of Passband 29.7 MHz 14.85 MHz 29.7 MHz 14.85 MHz 18.563 MHz < 0.2 dB to 29.0 MHz < 0.25 dB1 to 29.7 MHz 1 < 0.2 dB2 to 14.5 MHz < 0.25 dB2 to 14.85 MHz 2 44.550 MHz 22.275 MHz 44.550 MHz 22.275 MHz Start Of Stopband 54.200 MHz 27.100 MHz 54.200 MHz 27.100 MHz Stopband Attenuation > 50 dB > 50 dB > 50 dB > 50 dB Stopband Measured to 100 MHz 100 MHz 100 MHz 100 MHz Amplitude Ripple < 0.1 dB to 29.0 MHz < 0.15 dB to 29.7 MHz < 0.1 dB to 14.5 MHz < 0.15 dB to 14.85 MHz > 12 dB Attenuation @ 37.400 MHz > 40 dB Attenuation @ 1 37.400 MHz 18.563 MHz <±4.5 ns to 20.0 MHz <±8.0 ns to 10.0 MHz <±6.4 ns to 29.7 MHz <±12.0 ns to 14.8 MHz Integer N0 of clock delays between Luminance and Chrominance Filters <±4.5 ns to 20.0 MHz <±8.0 ns to 10.0 MHz <±6.4 ns to 29.7 MHz <±12.0 ns to 14.8 MHz Integer N0 of clock delays + reconstruction delay between Luminance and Chrominance Filters Impedance 75 ohms 75 ohms 75 ohms 75 ohms Temperature Range 0°C to 70°C 0°C to 70°C 0°C to 70°C 0°C to 70°C Group Delay Ripple Delay Time at 200 kHz SMD Reflow Limitations Aqueous Washable 1 2 refer to Data Sheet Fara309 Yes Yes Yes Yes Measured against sinx/x roll off for a sampling frequency of 74.25 MHz Measured against sinx/x roll off for a sampling frequency of 37.125 MHz Part Numbering HF Sampling 74.25 MHz – 7425 Frequency 37.125 MHz – 3712 Package DR00005A - A DR00291A - B Passband Shape Realisation Passive - P Sinx - S Flat – F Example part number HF7425SPA is a passive, luminance, sinx/x corrected for a S.F. of 74.25 MHz packaged in a 11 pin SIL as DR00005A © Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice Fara225p Page 1 of 2 Aug-05(C) PACKAGE DETAIL Faraday Technology Ltd. Croft Road Industrial Estate, Newcastle, Staffordshire ST5 0QZ. England. Fara225p Tel: Fax: Email: Web site: Page 2 of 2 + 44 (0)1782 661501 + 44 (0)1782 630101 [email protected] http://www.faradaytech.co.uk Aug-05(C)