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PDF ML6423CS-5 Data sheet ( Hoja de datos )
| Número de pieza | ML6423CS-5 | |
| Descripción | Dual S-Video Lowpass Filter with Phase and Sinx/x Equalization | |
| Fabricantes | Micro Linear | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ML6423CS-5 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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June 1999
PRELIMINARY
ML6423*
Dual S-Video Lowpass Filter with
Phase and Sinx/x Equalization
GENERAL DESCRIPTION
The ML6423 monolithic BiCMOS 6th-order filter provides
a two-channel fixed frequency lowpass filtering for video
applications. This dual phase equalized filter with sinx/x
correction is designed for reconstruction filtering at the
output of a Video DAC. A composite sum output
eliminates the need for a third DAC.
Cutoff frequencies are either 5.5MHz or 9.6MHz. Each
channel incorporates a 6th-order lowpass filter, a first
order allpass filter, a gain boost circuit, and a 75W coax
cable driver. A control pin (RANGE) is provided to allow
the inputs to swing from 0 to 1V, or 0.5 to 1.5V, by
providing a 0.5V offset to the input.
The 2X gain filters are powered from a single 5V supply,
and can drive 1VP-P into 75W (0.5V to 1.5V), or 2VP-P into
150W (0.5V to 2.5V) with the internal coax drivers.
BLOCK DIAGRAM
10
VCCB
7
VCCC
FEATURES
s 5.5 or 9.6MHz bandwidth with 6dB gain
s >40dB stopband rejection
s No external components or clocks
s ±10% frequency accuracy over maximum supply
and temperature variation
s <2% differential gain, <2° differential phase
s <20ns group delay variation
s 5V ±10% operation
s Composite (sum) output
s High sink current for AC coupled loads, ML6423-5
* This Product Is End Of Life As Of August 1, 2000
4 13
VCC
VCCA
VINA (Y)
16
BUF
2kΩ
IBIAS
2kΩ
LOWPASS
FILTER A
ALLPASS
FILTER
SINX/X
EQUALIZER
2X
BUF
VOUTA (Y)
12
3.43kΩ
15 RANGE
∑ 2X
BUF
VOUTB (CV)
8
3.43kΩ
VINC (C)
1
BUF
2kΩ
IBIAS
2kΩ
LOWPASS
FILTER C
ALLPASS
FILTER
SINX/X
EQUALIZER
2X
BUF
GND
2
GNDA
14
Filter A
Filter C
ML6423-1
5.50MHz
5.50MHz
GNDC
3
ML6423-2
9.6MHz
9.6MHz
GNDB
9
ML6423-5
9.6MHz
9.6MHz
VOUTC (C)
6
3.43kΩ
1
1 page  
16
6
–4
–14
–24
–34
–44
–54
–64
–74
–84
100K
1M 10M
FREQUENCY (Hz)
100M
Figure 1a. Stop-Band Amplitude vs. Frequency
(fC = 5.5MHz)
7.5
7.0
6.5
ML6423-1
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
100K
1M
FREQUENCY (Hz)
5.5MHz 10M
Figure 2a. Pass-Band Amplitude vs. Frequency
(fC = 5.5MHz)
220
200
180
160
140
120
100
80
60
40
20
100K
5.5MHz
FREQUENCY (Hz)
Figure 3a. Group Delay vs. Frequency
(fC = 5.5MHz)
10MHz
ML6423
16
6
–4
–14
–24
–34
–44
–54
–64
–74
–84
100K
1M 10M
FREQUENCY (Hz)
100M
Figure 1b. Stop-Band Amplitude vs. Frequency
(fC = 9.6MHz)
7.5
7.0
6.5 ML6423-2
6.0
ML6422-2
5.5
5.0
4.5
4.0
3.5
3.0
2.5
100K
1M
FREQUENCY (Hz)
5.5MHz 10M
Figure 2b. Pass-Band Amplitude vs. Frequency
(fC = 9.6MHz)
130
125
120
115
110
105
100
95
90
85
80
100K
5M
FREQUENCY (Hz)
9.3M 10M
Figure 3b. Group Delay vs. Frequency
(fC = 9.6MHz)
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet ML6423CS-5.PDF ] | |
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