參數(shù)資料
型號(hào): PNX3000N3
廠商: NXP Semiconductors N.V.
英文描述: Analog front end for digital video processors
中文描述: 模擬前端數(shù)字視頻處理器
文件頁(yè)數(shù): 16/51頁(yè)
文件大?。?/td> 285K
代理商: PNX3000N3
2004 Oct 04
16
Philips Semiconductors
Preliminary specification
Analog front end for digital video
processors
PNX3000
Table 5
Table 6
AFC window
Table 7
IF sensitivity
Table 8
Internal or external AGC mode
Table 9
Fast filter IF PLL
Table 10
Video modulation standard
Table 11
IFAGC speed
Table 12
IF amplifier on/off
Table 13
Selection of signal on analog DTV output
Table 14
Vision IF input select
Table 15
Calibration of IF PLL demodulator
Table 16
IF PLL mode
Table 17
Second sound IF input
Table 18
Sound operation
AFN
MODE
0
1
normal operation
AFC not active
AFW
AFC WINDOW
0
1
normal
enlarged
IFS
IF SENSITIVITY
0
1
normal
reduced
AGCM
MODE
0
1
internal
external
FFI
CONDITION
0
1
normal time constant
increased time constant
PMOD
CONDITION
0
1
negative modulation (FM sound)
positive modulation (AM sound)
AGC1
AGC0
AGC SPEED
0
0
1
1
0
1
0
1
0.7
×
norm
norm
3
×
norm
6
×
norm
IFON
MODE
0
1
IF amplifier not active
normal operation
DSIF
DFIF
MODE
LPF
ACTIVE
0
0
1
1
0
1
0
1
DTV second IF
DTV first IF
2nd SIF internal
spare
Y
N
N
N/A
DTV
MODE
0
1
VIF input
DTVIF input
IFLH
MODE
0
1
calibration system active
calibration system not active
SYNT
MODE
0
1
normal mode
synthesizer mode
SSIF
MODE
0
1
internal input
external input
QSS
MODE
0
1
intercarrier sound
quasi split sound
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