CCIR 601 Filter |
| BandPass Filters / Low Pass Filters |
| Low pass video filters |
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| 601 Filters | ||||
| 1. CCIR 601 filters for digital equipment |
| Technical specifictions | Luminance |
Color Difference |
Luminance |
Color Difference |
||||
PRE |
POST |
PRE |
POST |
PRE |
POST |
PRE |
POST |
|
| Part N0. | U601-0575 |
U601-0575S |
U601-0275 | U601-0275S | U422-0575 | U422-0575S | U422-0275 | U422-0275S |
| Zo (ohms) (impedance) |
75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
| Pass band Fv (MHz) | 5.75 | 5.75 | 2.75 | 2.75 | 5.75 | 5.75 | 2.75 | 2.75 |
| Pass band ripple (dB) Max. |
0.10 | 0.15 | 0.10 | 0.15 | 0.20 | 0.30 | 0.20 | 0.30 |
| Attenuation at 6.75 MHz (-dB
min) Attenuation at 3.375 MHZ (-dB min) |
12
|
12
|
-- 6 |
--
|
12
|
12
|
--
|
--
|
| Stop atteruation
at 7.7 MHz (-dB min) Stop atteruation at 4.0 MHz (-dB min) |
40 -- |
40 -- |
-- 40 |
-- 40 |
40 -- |
40 -- |
-- 40 |
-- 40 |
| Group delay ripple ( nS ) max. |
6 | 6 | 6 | 6 | 10 | 10 | 10 | 10 |
| Group delay control to (MHz) |
5.75 | 5.75 | 2.75 | 2.75 | 5.50 | 5.50 | 2.50 | 2.50 |
| Flat loss at 0.1 MHz (dB) max. |
2.0 | 5.5 | 2.50 | 5.5 | 1.5 | 5.5 | 2.0 | 5.0 |
| Sinx/x correction |
-- | yes | -- | yes | -- | yes | -- | yes |
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. |
| Technical specifictions | Luminance |
Color Difference |
Luminance |
Color Difference |
||||
PRE |
POST |
PRE |
POST |
PRE |
POST |
PRE |
POST |
|
| Part N0. | U0601-0575 |
U0601-0575S |
U0601-0275 | U0601-0275S | U0422-0575 | U0422-0575S | U0422-0275 | U0422-0275S |
| Zo (ohms) (impedance) |
75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
| Pass band Fv (MHz) | 5.75 | 5.75 | 2.75 | 2.75 | 5.75 | 5.75 | 2.75 | 2.75 |
| Pass band ripple (dB) Max. |
0.10 | 0.15 | 0.10 | 0.15 | 0.25 | 0.25 | 0.25 | 0.25 |
| Stop band
attenuation at 21.25 MHz (-dB min) attenuation at 10.75 MHz (-dB min) |
40
|
40
|
--
|
---
|
40
|
40
|
--
|
--
|
| Group delay ripple ( nS ) max. |
6 | 6 | 6 | 6 | 10 | 10 | 10 | 10 |
| Group delay control to (MHz) |
5.75 | 5.75 | 2.75 | 2.75 | 5.50 | 5.50 | 2.50 | 2.50 |
| Sinx/x correction | -- | yes | -- | yes | -- | yes | -- | yes |
| Flat loss at 0.1 MHz (dB) max. |
2.0 | 5.5 | 2.50 | 5.5 | 1.5 | 5.5 | 2.0 | 5.0 |
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