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
Impedance (ohms)
Filter Shape
Passband Shape
Sampling Frequency (S.F)
Insertion loss at 100 kHz
End of Passband
Amplitude ripple (dB)
(wrt 100 kHz)
HD7425FPA
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
50 ns ± 2 ns
< ± 0.5 at 200 kHz
< ± 2.0 at 27 MHz
< ± 20 to 30 MHz
HD7425SPA
75
Lowpass
Sinx/x
74.25 MHz
< 4.5 dB
29.7 MHz
< ± 0.01 at 100 kHz
< ± 0.12 at 28.2 MHz
1
< -1.0 at 29.7 MHz
1
50 ns ± 2 ns
< ± 0.5 at 200 kHz
< ± 2.0 at 27 MHz
< ± 20 to 30 MHz
HD3712FPA
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
90 ns ± 3 ns
< ± 1.0 at 200 kHz
< ± 4.0 to 13.5 MHz
< ± 40 to 15 MHz
HD3712SPA
75
Lowpass
Sinx/x
37.125 MHz
< 4.5dB
14.5 MHz
< ± 0.01 at 100 kHz
< ± 0.12 at 14.1 MHz
2
< -1.0 at 14.9 MHz
2
90 ns ± 3 ns
< ± 1.0 at 200 kHz
< ± 4.0 at 13.5 MHz
< ± 40 to 15 MHz
Insertion delay at 200 kHz
Group delay ripple (ns)
(wrt 200 kHz)
> 6 dB Frequency.
(wrt loss at 100 kHz)
36 MHz
43 MHz
45 MHz
> 40 dB
36 MHz
1
43 MHz
45 MHz
> 40 dB
18 MHz
21.5 MHz
22.5 MHz
> 40 dB
18 MHz
2
21.5 MHz
22.5 MHz
> 40 dB
> 20 dB Frequency
(wrt loss at 100 kHz)
Start of stopband
Stopband attenuation
(wrt loss at end of passband)
Part numbering
Sampling
Frequency
SF - 7425
SF - 3712
HD
Package Drg No
A - DR00005A
D - DR00170A
F - DR00069B
G - DR00172A
Realisation
P - Passive
Passband
Shape
S - Sin/x
F - Flat
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
2
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
© 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)
FARADAY [ FARADAY TECHNOLOGY ]
