HC SERIES HDTV FILTERS
SMPTE 295M COMPLIANT
•
SMPTE 295M compliant
•
11 pin SIL package available
•
Aqueously washable versions available
•
Pre and Post Luminance and Chrominance 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)
HC7425FPA
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
HC7425SPA
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
HC3712FPA
75
Lowpass
Flat
37.125 MHz
< 1.5 dB
14.85 MHz
< ± 0.01 at 100 kHz
< ± 0.12 at 14.1 MHz
< 1.0 at 14.85 MHz
HC3712SPA
75
Lowpass
Sinx/x
37.125 MHz
< 4.5 dB
14.85 MHz
< ± 0.01 at 100 kHz
< ± 0.12 at 14.1 MHz
2
< 1.0 at 14.85 MHz
2
Insertion delay at 200 kHz
Group delay ripple (ns)
(wrt 100 kHz)
54 ns ± 2 ns
< ± 0.5 at 100 kHz
< ± 2.0 at 28.2 MHz
< ± 19.5 to 30 MHz
53 ns ± 2 ns
< ± 0.5 at 100 kHz
< ± 2.0 at 28.2 MHz
< ± 19.5 to 30 MHz
98 ns ± 4 ns
< ± 1.0 at 100 kHz
< ± 4.0 to 14.1 MHz
< ± 39.0 to 15 MHz
107 ns ± 4 ns
< ± 1.0 at 100 kHz
< ± 4.0 at 14.1 MHz
< ± 39.0 to 15 MHz
Attenuation at
1
/
2
S.F.
(wrt loss at 100 kHz)
> 6 dB
44.55 MHz
46.78 MHz
> 40 dB
> 6 dB
1
44.55 MHz
46.78 MHz
> 40 dB
> 6 dB
22.27 MHz
23.76 MHz
> 40 dB
> 6 dB
2
22.27 MHz
23.76 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
HC
Package Drg No
A - DR00005A
D - DR00170A
F - DR00069B
G - DR00172A
Realisation
P - Passive
Passband
Shape
S - Sin/x
F - Flat
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
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
FARA075d.DOC
Page 1 of 2
Jun-01(C)
FARADAY [ FARADAY TECHNOLOGY ]
