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2.1.2 Signal Level
a) Analog input
interface board.
b) HDMI input
2.1.3 PC audio input
a) Analog input
(1) Connector
(2) Level
(3) Impedance
b) HDMI input
Support 32 KHz/44.1 KHz/48 KHz digital 2 channel stereo audio input signal
c) DVI input
(1) Connector
(2) Level
(3) Impedance
2.1.4 Input signal quality
a)PC
(1) Rise/Fall time
-Video Signal: less than 2.0ns
-Horizontal SYNC: less than 50ns
-Vertical SYNC: less than 100ns
(2) TTL Signal Level
The levels of Horizontal & Vertical SYNC will be TTL level, their high level will be
Level
0.7 volt ± 5%
Impedance 75 ohm. TDR scan needed for both D-SUB cable and
Differential Voltage Level
Common Voltage Level
Connection Impedance
Termination Impedance
3.5mm phone plug
500mVrms
> 10kΩ
RCA R/L connector
500mVrms
> 10kΩ
17
100~1200 mvolt
3~3.2625 volt
100 ohm. ± 15%
100 ohm. ± 10%
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