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參數(shù)資料
| 型號(hào)： | SAA4960 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 信號(hào)分離 |
| 英文描述： | Integrated PAL comb filter |
| 中文描述： | Y/C SEPARATOR IC, PDIP28 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 6/24頁 |
| 文件大?。?/td> | 194K |
| 代理商： | SAA4960 |
1996 Oct 15
6
Philips Semiconductors
Preliminary specification
Integrated PAL comb filter
SAA4960
REFBP (
PIN
5)
Decoupling capacitor for the band-pass filter reference
voltage.
SSYN (
PIN
6)
Input signal that controls the function of BYP (pin 3).
V
CCA
, V
CCO
, V
DDD
AND
V
CCPLL
(
PINS
7, 8, 22
AND
27)
Supply voltages.
AGND, OGND, DGND
AND
PLLGND (
PINS
9, 11,
21
AND
26)
Ground connection. AGND is used as signal reference for
all analog input and output signals.
C
ext
(
PIN
10)
Input for an external chrominance signal which is
correlated to the external VBS signal.
C
O
(
PIN
12)
Chrominance output signal. This output can be switched
between the comb filtered chrominance from the CVBS
signal and the external chrominance signal from the input
C
ext
if the IC is forced into BYPASS-mode.
Table 4
C
O
output signal
FSCSW (
PIN
13)
Input signal to select between f
sc
or 2
×
f
sc
as reference at
the FSC input pin.
Table 5
Reference frequency selection
Y
O
(
PIN
14)
VBS output signal. This output can be switched between
the comb filtered luminance signal (including
synchronization) and the external (C)VBS signal from the
input Y
ext
/CVBS. In COMB-mode the output signal is
delayed by 2 lines and by an additional processing delay.
MODE
C
O
OUTPUT SIGNAL
comb filtered chrominance signal
external chrominance signal of C
ext
input
COMB
BYPASS
FSCSW
SELECTED REFERENCE
HIGH
LOW
2
×
f
sc
f
sc
Table 6
Y
O
output signal
CVBSO (
PIN
15)
CVBS output signal directly from the input in
BYPASS-mode or delayed by the signal processing time
of 2 lines and an additional processing delay.
Table 7
CVBSO output signal
Y
ext
/CVBS (
PIN
17)
Input for the CVBS signal or for an external VBS signal.
LPFION (
PIN
18)
Input signal to disable the internal pre-filter LPFI.
Table 8
Pre-filter mode
CSY (
PIN
19)
Sync top capacitor for the sync separator.
REFDL (
PIN
24)
Decoupling capacitor for the delay line reference voltage.
COMBENA (
PIN
25)
Output signal that indicates the current mode of operation.
This output is forced to LOW if the comb filter is in
BYPASS-mode.
Table 9
Mode of operation
MODE
Y
O
OUTPUT SIGNAL
comb filtered luminance signal
external CVBS signal of Y
ext
/CVBS input
COMB
BYPASS
MODE
CVBSO OUTPUT SIGNAL
COMB
BYPASS
delay compensated CVBS signal
external CVBS signal of Y
ext
/CVBS input
LPFION
SELECTED MODE
LOW
HIGH
Floating
LPFI inactive
LPFI active
LPFI active
COMBENA
SELECTED MODE
LOW
BYPASS-mode; PLL and clock processing
stopped
COMB-mode
HIGH
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA4963 | Integrated NTSC comb filter |
| SAA4963T | Integrated NTSC comb filter |
| SAA4970T | Economical video processing IC ECOBENDIC |
| SAA4974 | Besic without ADC |
| SAA4974H | Besic without ADC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA4963 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated NTSC comb filter |
| SAA4963T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated NTSC comb filter |
| SAA4970T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economical video processing IC ECOBENDIC |
| SAA4974 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Besic without ADC |
| SAA4974H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Besic without ADC |
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