HC7425FPA 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 FARA075d.DOC Page 1 of 2 Jun-01 (C)
- SMPTE 295M compliant • Aqueously washable versions available
- 11 pin SIL package available • Pre and Post Luminance and Chrominance filters Type Number HC7425FPA HC7425SPA HC3712FPA HC3712SPA 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 < 4.5 dB End of Passband 29.7 MHz 29.7 MHz 14.85 MHz 14.85 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 54 ns ± 2 ns 53 ns ± 2 ns 98 ns ± 4 ns 107 ns ± 4 ns Group delay ripple (ns) < ± 0.5 at 100 kHz < ± 0.5 at 100 kHz < ± 1.0 at 100 kHz < ± 1.0 at 100 kHz < ± 19.5 to 30 MHz < ± 19.5 to 30 MHz < ± 39.0 to 15 MHz < ± 39.0 to 15 MHz Attenuation at 1 /2 S.F. > 6 dB > 6 dB 1 > 6 dB > 6 dB 2 (wrt loss at 100 kHz) > 20 dB Frequency 44.55 MHz 44.55 MHz 22.27 MHz 22.27 MHz (wrt loss at 100 kHz) Start of stopband 46.78 MHz 46.78 MHz 23.76 MHz 23.76 MHz Stopband attenuation > 40 dB > 40 dB > 40 dB > 40 dB (wrt loss at end of passband) Part numbering HC Package Drg 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 HC7425SPA 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 HC SERIES HDTV FILTERS SMPTE 295M COMPLIANT
Faraday Technology Ltd. Tel: + 44 (0)1782 661501 Croft Road Industrial Estate, Fax: + 44 (0)1782 630101 Newcastle, Staffordshire Email: sales@faradaytech.co.uk FARA075d.DOC Page 2 of 2 Jun-01 (C)