HA SERIES HDTV FILTERS
LOW COST, MINIATURE FILTERS
This range of low cost filters offers near SMPTE 274M performance in a miniature space saving
package, suitable for single pass and HDTV monitor output applications.
•
Near SMPTE 274M performance
•
pin SIL package
•
Ideal for analogue monitor outputs
•
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
Insertion delay at 200 kHz
Group delay ripple
Attenuation at
1
/
2
S.F
(wrt loss at 100 kHz)
HA7425FP*
75
Lowpass
Flat
74.25 MHz
< 1.2 dB
30.0 MHz
< 0.2 dB
53 ns ± 2 ns
<3 ns to 27.0 MHz
> 12 dB
43.50 MHz
> 40 dB
HA7425SP*
75
Lowpass
Sinx/x
74.25 MHz
< 5.5 dB
30.0 MHz
< 0.2 dB
1
53 ns ± 2 ns
<3 ns to 27.0 MHz
> 12 dB
1
43.50 MHz
> 40 dB
HA3712FP*
75
Lowpass
Flat
37.125 MHz
< 1.0 dB
15.0 MHz
< 0.25 dB
107 ns ± 3 ns
<14 ns to 14.5 MHz
> 6 dB
22.275 MHz
> 40 dB
HA3712SP*
75
Lowpass
Sinx/x
37.125 MHz
< 5.0 dB
15.0 MHz
< 0.25 dB
2
100 ns ± 3 ns
<14 ns to 14.5 MHz
> 6 dB
2
22.275 MHz
> 40 dB
Start of stopband
Stopband attenuation
(wrt loss at end of passband)
Part numbering
Sampling
Frequency
SF - 7425
SF - 3712
HA
Package Drg No
A - DR00005A
D - DR00170A
F - DR00069B
G - DR00172A
Realisation
P - Passive
Passband
Shape
S - Sin/x
F - Flat
Example part number HA7425SPA 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
FARA073d
Page 1 of 2
Jan-00(B)
FARADAY [ FARADAY TECHNOLOGY ]
