參數(shù)資料
型號(hào)： SAA7121
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： Digital Video Encoder (ConDENC)
中文描述： COLOR SIGNAL ENCODER, PQFP44
封裝： PLASTIC, SOT-307, QFP-44
文件頁數(shù)： 7/32頁
文件大小： 225K
代理商： SAA7121
1997 Jan 06
7
Philips Semiconductors
Preliminary specification
Digital Video Encoder (ConDENC)
SAA7120; SAA7121
handbook, halfpage
0
2
(1)
6
0
1
2
3
4
5
MBE736
4
f (MHz)
Gv
(dB)
(1) CCRS1 = 0; CCRS0 = 0.
Fig.4 Luminance transfer characteristic 2.
During reset (RESET = LOW) and after reset is released,
all digital I/O stages are set to input mode. A reset forces
the I
2
C-bus interface to abort a running bus transfer and
sets register 3A to 03H, register 61 to 06H,
registers 6BH and 6EH to 00H and bit TTX60 to 0.
All other control registers are not influenced by a reset.
Encoder
V
IDEO PATH
The encoder generates out of Y, U and V baseband
signals luminance and colour subcarrier output signals,
suitable for use as CVBS or separate Y and C signals.
Luminance is modified in gain and in offset (the latter
programmable in a certain range to enable different black
level set-ups). A fixed synchronization level in accordance
with standard composite synchronization schemes is
inserted. The inserted blanking level is programmable to
allow for manipulations with Macrovision anti-taping.
Additional insertion of AGC super-white pulses,
programmable in height, is supported.
handbook, full pagewidth
(dB)
6
8
10
12
14
0
0
2
4
MBE737
6
12
18
30
24
36
42
54
48
f (MHz)
(1)
(2)
(1) SCBW = 1.
(2) SCBW = 0.
Fig.5 Chrominance transfer characteristic 1.
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參數(shù)描述
SAA7121H 制造商:NXP Semiconductors 功能描述:
SAA7121H/V2 制造商:NXP Semiconductors 功能描述:
SAA7121H/V2,518 功能描述:視頻 IC SAA7121H/QFP44/REEL13DP//V2 RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAA7121H/V2,557 功能描述:視頻 IC DIG VID ENCODER NTSC PAL RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAA7121H/V2557 制造商:NXP Semiconductors 功能描述:IC VIDEO ENCODER DIGITAL 44-QFP
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