參數(shù)資料
型號(hào): TDA9803T
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: VIDEO DISCRIMINATOR, PDSO20
封裝: 7.50 MM, PLASTIC, MS-013AC, SOT-163-1, SOP-20
文件頁(yè)數(shù): 5/21頁(yè)
文件大小: 165K
代理商: TDA9803T
November 1992
13
Philips Semiconductors
Preliminary specication
Multistandard VIF-PLL demodulator
TDA9803
Fig.5
Typical signal-to-noise ratio as a function of
the IF input signal.
handbook, halfpage
60
40
20
80
60
40
20
0
0.06
0.6
6
600
60
MED333
S/N
(dB)
Vi IF(rms)(dB)
Vi IF(rms)
(mV)
10
Fig.6
Input conditions for intermodulation
measurements.
SC = sound carrier level
; with respect to TOP sync level.
CC = chrominance carrier level ; with respect to TOP sync level.
PC = picture carrier level
; with respect to TOP sync level.
Sound shelf attenuation: 17 dB.
handbook, halfpage
SC CC
PC
SC CC
PC
BLUE
YELLOW
24 dB
13.2 dB
3.2 dB
24 dB
13.2 dB
10 dB
MED334
Fig.7 Video signal levels on output pin 13.
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