CCIR 601 Filter
BandPass Filters / Low Pass Filters
Low pass video filters
601 Filters
1. CCIR 601 filters for digital equipment
Luminance
Color Difference
Luminance
Color Difference
Technical specifictions
Part N0.
PRE
POST
PRE
POST
PRE
POST
PRE
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U601-0575 U601-0575S U601-0275 U601-0275S U422-0575 U422-0575S U422-0275 U422-0275S
Zo (ohms)
75
75
75
75
75
75
75
75
(impedance)
Pass band Fv (MHz)
5.75
0.10
5.75
0.15
2.75
0.10
2.75
0.15
5.75
0.20
5.75
0.30
2.75
0.20
2.75
0.30
Pass band
ripple (dB) Max.
Attenuation at 6.75 MHz (-dB min)
Attenuation at 3.375 MHZ (-dB min)
Stop atteruation at 7.7 MHz (-dB min)
Stop atteruation at 4.0 MHz (-dB min)
Group delay
12
--
12
--
--
6
--
6
12
--
12
--
--
6
--
6
40
--
40
--
--
--
40
--
40
--
--
--
40
40
40
40
6
5.75
2.0
--
6
6
6
10
5.50
1.5
--
10
5.50
5.5
10
2.50
2.0
--
10
2.50
5.0
ripple ( nS ) max.
Group delay
5.75
5.5
yes
2.75
2.50
--
2.75
5.5
yes
control to (MHz)
Flat loss at
0.1 MHz (dB) max.
Sinx/x
yes
yes
correction
2. Oversampling CCIR 601 filters
Many A/D , D/A, " Codec " system in multimedia field are using double of CCIR 601 recommended rate of
sampling . Our high quality filter not only cover the benifit of oversampling and also match with CCIR 601
spec.
Luminance
PRE POST
Color Difference
Luminance
Color Difference
Technical specifictions
Part N0.
PRE
POST
PRE
POST
PRE
POST
U0601-0575 U0601-
U0601-
U0601-
U0422-
U0422-
U0422-
U0422-
0575S
0275
0275S
0575
0575S
0275
0275S
Zo (ohms)
75
75
75
75
75
75
75
75
(impedance)
Pass band Fv (MHz)
5.75
0.10
5.75
0.15
2.75
0.10
2.75
0.15
5.75
0.25
5.75
0.25
2.75
0.25
2.75
0.25
Pass band
ripple (dB) Max.
Stop band attenuation at 21.25 MHz
(-dB min)
40
--
40
--
--
---
40
40
--
40
--
--
--
attenuation at 10.75 MHz (-dB min)
40
40
40
Group delay ripple ( nS ) max.
Group delay control to (MHz)
Sinx/x correction
6
5.75
--
6
6
6
10
5.50
--
10
5.50
yes
5.5
10
2.50
--
10
2.50
yes
5.0
5.75
yes
5.5
2.75
--
2.75
yes
5.5
Flat loss at 0.1 MHz (dB) max.
2.0
2.50
1.5
2.0
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3HDTV(DTV)FILTERS-I-17 (22).doc