HD7425FPA FARADAY | Alldatasheet

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© Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice FARA076d Page 1 of 2 Jan-00 (B)

  • ITU 709 (1250/50) compliant • Aqueously washable versions available
  • pin SIL package • Pre and Post Luminance and Chrominance filters
  • Miniature space saving package • Integer N o of clock delays between Luma and Chroma filters Type Number HD7425FPA HD7425SPA HD3712FPA HD3712SPA Impedance (ohms) 75 75 75 75 Filter Shape Lowpass Lowpass Lowpass Lowpass Passband Shape Flat Sinx/x Flat Sinx/x Insertion loss at 100 kHz < 1.5 dB < 4.5 dB < 1.5 dB < 4.5dB End of Passband 29.7 MHz 29.7 MHz 14.5 MHz 14.5 MHz Amplitude ripple (dB) < ± 0.01 at 100 kHz < ± 0.01 at 100 kHz < ± 0.01 at 100 kHz < ± 0.01 at 100 kHz Insertion delay at 200 kHz 50 ns ± 2 ns 50 ns ± 2 ns 90 ns ± 3 ns 90 ns ± 3 ns Group delay ripple (ns) < ± 0.5 at 200 kHz < ± 0.5 at 200 kHz < ± 1.0 at 200 kHz < ± 1.0 at 200 kHz < ± 20 to 30 MHz < ± 20 to 30 MHz < ± 40 to 15 MHz < ± 40 to 15 MHz > 6 dB Frequency. 36 MHz 36 MHz 1 18 MHz 18 MHz 2 (wrt loss at 100 kHz) > 20 dB Frequency 43 MHz 43 MHz 21.5 MHz 21.5 MHz (wrt loss at 100 kHz) Start of stopband 45 MHz 45 MHz 22.5 MHz 22.5 MHz Stopband attenuation > 40 dB > 40 dB > 40 dB > 40 dB (wrt loss at end of passband) Part numbering HD •••• • •  Package D rg No A - DR00005A Sampling SF - 7425 D - DR00170A Frequency SF - 3712 F - DR00069B G - DR00172A Passband S - Sin/x Realisation Shape F - Flat P - Passive Example part number HD7425SPA is a passive, luminance sinx/x corrected for a s.f. of 74.25 MHz packaged in a 11 pin SIL package as DR00005A. Other sampling frequencies are available on request. 1 Measured against sinx/x roll off for a sampling frequency of 74.25 MHz 2 Measured against sinx/x roll off for a sampling frequency of 37.125 MHz HD SERIES HDTV FILTERS ITU 709 (1250/50)

Faraday Technology Ltd. Tel: + 44 (0)1782 66 1501 Croft Road Industrial Estate, Fax: + 44 (0)1782 630101 Newcastle, Staffordshire Email: sales@faradaytech.co.uk FARA076d Page 2 of 2 Jan-00 (B)