TYPICAL PERFORMANCE CURVES
(V
S
= 5V, T
A
= 25°C unless otherwise shown.)
500
0.5 UI
Output
Additive
Jitter
5.00
400
4.50
SSI/CD OUTPUT VOLTAGE (V)
CABLE LENGTH (m)
300
0.2 UI
Output
Additive
Jitter
4.00
GS9024C
200
3.50
100
3.00
0
2.50
0
50
100
150
200
250
300
350
400
450
500
DATA RATE (Mb/s)
CABLE LENGTH (m)
Fig. 3 Maximum Data Rate vs. Cable Length - Belden 8281n
(see Test Setup in Figure 1)
50
45
40
35
30
Fig. 6 SSI/CD Voltage vs. Cable Length - Belden 8281
(CD_ADJ = 0V)
5.0
4.5
CD_ADJ VOLTAGE (V)
4.0
GAIN (dB)
25
20
15
10
5
0
1
10
100
1000
3.5
3.0
2.5
2.0
200
250
300
350
400
FREQUENCY (MHz)
CABLE LENGTH (m)
Fig. 4 Equalizer Gain vs. Frequency
Fig. 7 Carrier Detect Adjust Voltage Threshold Characteristics
j1
600
j0.5
j2
ADDITIVE JITTER (ps p-p)
400
j0.2
j5
200
270Mb/s
3000
-j0.2
1620
810
720
-j5
0
0
50
100
150
200
250
300
350
CABLE LENGTH (m)
-j0.5
-j1
-j2
Fig. 5 Additive Jitter vs. Input Cable Length - Belden 8281
Frequencies in MHz, impedances normalized to 50Ω.
Fig. 8 Input Impedance
5
GENNUM CORPORATION
20581 - 0
GENNUM [ GENNUM CORPORATION ]
