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TSH103ID Fiches technique(PDF) 6 Page - STMicroelectronics

No de pièce TSH103ID
Description  Low cost triple video buffer/filter for standard video
PDF  10 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TSH103ID Fiches technique(HTML) 6 Page - STMicroelectronics

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Using the TSH103 to drive video signals
TSH103
6/10
5
Using the TSH103 to drive video signals
Figure 9.
Video line interface implementation schematics
The bottom of the synchronization tip at the DAC output can be as low as 0mV. In that case,
the bottom is equal to 310mV typical at the TSH103 output (see values of the output DC
shift in Table 3). The Y signal can be properly driven by the TSH103 because its low output
rail (VOL) is lower than 46mV (Table 3).
Figure 10.
Details on Y or G or CVBS for synchronization tip
+5V
75
Ω
75
Ω Cable
75
Ω
Video
DAC
Y
75
Ω
75
Ω Cable
75
Ω
Video
DAC
Pb
75
Ω
Video
DAC
Pr
TV
75
Ω Cable
75
Ω
DAC
load
resistor
DAC
load
resistor
DAC
load
resistor
0.7Vpp
0.3V
GND
1V
1Vpp
0.3V
GND
1V
0.7Vpp
0.3V
GND
1V
0.7Vpp
1.4Vpp
2Vpp
0.9V
GND
2.3V
0.9V
GND
2.3V
GND
1.15V
0.45V
0.7Vpp
1.4Vpp
GND
GND
TSH103
1Vpp
0.45V
GND
1.15V
0.9V
2.3V
1.15V
0.45V
DAC
Y signal
time
Amplitude
Synchronization tip
(close to zero volt)
Black
(300mV)
White
(1V)
GND
DAC
Y signal
time
Amplitude
Synchronization tip
(close to zero volt)
Black
(300mV)
White
(1V)
GND



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