HD7425FPA Datasheet, PDF (1/2 Pages) Faraday Technology – HD SERIES HDTV FILTERS

HD SERIES HDTV FILTERS
ITU 709 (1250/50)
• ITU 709 (1250/50) compliant
• pin SIL package
• Miniature space saving package
• Aqueously washable versions available
• Pre and Post Luminance and Chrominance filters
• Integer N^o of clock delays between Luma and Chroma filters
Type Number
HD7425FPA HD7425SPA HD3712FPA HD3712SPA
Impedance (ohms)
Filter Shape
Passband Shape
Sampling Frequency (S.F)
Insertion loss at 100 kHz
End of Passband
Amplitude ripple (dB)
(wrt 100 kHz)
75
Lowpass
Flat
74.25 MHz
< 1.5 dB
29.7 MHz
< ± 0.01 at 100 kHz
< ± 0.12 at 28.2 MHz
< -1.0 at 29.7 MHz
75
Lowpass
Sinx/x
74.25 MHz
< 4.5 dB
29.7 MHz
< ± 0.01 at 100 kHz
< ± 0.12 at 28.2 MHz¹
< -1.0 at 29.7 MHz¹
75
Lowpass
Flat
37.125 MHz
< 1.5 dB
14.5 MHz
< ± 0.01 at 100 kHz
< ± 0.12 at 14.1 MHz
< -1.0 at 14.9 MHz
75
Lowpass
Sinx/x
37.125 MHz
< 4.5dB
14.5 MHz
< ± 0.01 at 100 kHz
< ± 0.12 at 14.1 MHz²
< -1.0 at 14.9 MHz²
Insertion delay at 200 kHz
Group delay ripple (ns)
(wrt 200 kHz)
> 6 dB Frequency.
(wrt loss at 100 kHz)
50 ns ± 2 ns
< ± 0.5 at 200 kHz
< ± 2.0 at 27 MHz
< ± 20 to 30 MHz
36 MHz
50 ns ± 2 ns
< ± 0.5 at 200 kHz
< ± 2.0 at 27 MHz
< ± 20 to 30 MHz
36 MHz ¹
90 ns ± 3 ns
< ± 1.0 at 200 kHz
< ± 4.0 to 13.5 MHz
< ± 40 to 15 MHz
18 MHz
90 ns ± 3 ns
< ± 1.0 at 200 kHz
< ± 4.0 at 13.5 MHz
< ± 40 to 15 MHz
18 MHz ²
> 20 dB Frequency
(wrt loss at 100 kHz)
43 MHz
43 MHz
21.5 MHz
21.5 MHz
Start of stopband
Stopband attenuation
(wrt loss at end of passband)
45 MHz
> 40 dB
45 MHz
> 40 dB
22.5 MHz
> 40 dB
22.5 MHz
> 40 dB
Part numbering HD
Sampling SF - 7425
Frequency SF - 3712
Passband S - Sin/x
Shape
F - Flat
Package Drg No
A - DR00005A
D - DR00170A
F - DR00069B
G - DR00172A
Realisation
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}
© 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)