Adaptive Equalizer for
Video Over Twisted Pair
Typical Operating Characteristics (continued)
(VCC = 5V, RL = high impedance, fSC = 3.58MHz, Category 5e cable with active driver, TA = +25°C.)
12.5T RESPONSE (300m CABLE)
MAX7474 toc10
18µs LINE-TIME DISTORTION
(0.5m CABLE)
MAX7474 toc11
18µs LINE-TIME DISTORTION
(300m CABLE)
MAX7474 toc12
VINP-VINN
200mV/div
VINP-VINN
200mV/div
VINP-VINN
200mV/div
VOUT
200mV/div
500ns/div
NOISE SPECTRUM
(0.5m CABLE)
0
MAX7474 toc13
-5
-10
-15
-20
-25
-30
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
-100
1
2
3
4
5
FREQUENCY (MHz)
VOUT
200mV/div
5µs/div
0
-5
-10
-15
-20
-25
-30
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
-100
5µs/div
NOISE SPECTRUM
(300m CABLE)
MAX7474 toc14
1
2
3
4
5
FREQUENCY (MHz)
VOUT
200mV/div
_______________________________________________________________________________________ 5