TSH173 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TSH173' PDF : 13 Pages View PDF
Using the TSH173 to drive video components
TSH173
4
Using the TSH173 to drive video components
Figure 22. Video line interface implementation schematics
Video
DAC
R
1Vpp
1V
0.3V
GND
DAC
load
resistor
Reconstruction
Filtering
450mV
+ LPF
+6dB
5th Order
2Vpp
2.035V
0.635V
0.035V
GND
1Vpp
1V
0.3V
75Ω 0.0175V
75Ω Cable GND
75Ω
TV
Video
DAC
G
0.7Vpp
1V
0.3V
GND
DAC
load
resistor
Reconstruction
Filtering
450mV
+ LPF
+6dB
5th Order
1.4Vpp
2.035V
0.635V
GND
75Ω 75Ω Cable
0.7Vpp
1.0175V
0.3175V
GND
75Ω
Video
DAC
0.7Vpp
1V
B
0.3V
GND
DAC
load
resistor
Reconstruction
Filtering
450mV
+ LPF
+6dB
5th Order
TSH173
1.4Vpp
2.035V
0.635V
GND
75Ω 75Ω Cable
0.7Vpp
1.0175V
0.3175V
GND
75Ω
The interface is illustrated in Figure 23. It is composed of:
● Three 75-ohm resistors
● Three matching resistors
● One 10µF power supply decoupling capacitor
● One 10nF power supply decoupling capacitor
Figure 23. Bill of materials of the interface
+5V
Y,G
DAC
75Ω
Cable
R
Pb,B,C
DAC
75Ω
Cable
TV
R
Pr,R,CVBS
TSH173
SO8
75Ω
Cable
DAC
R
10/13
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