GENNUM CORPORATION

522 - 75 - 05

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TYPICAL PERFORMANCE CURVES

(V

Fig. 2 SSI/CD Voltage vs. Cable Length

(Belden 8281) (CD_ADJ = 0V)

Fig. 3 Equalizer Gain vs. Frequency

Fig. 4 Carrier Detect Adjust Voltage Threshold Characteristics

Fig. 5 Input Impedance

Fig. 6 Typical Additive Jitter vs. Input Cable Length (Belden 8281)

Pseudorandom (2

Fig. 7 Typical Error Free Cable Length

0

50

100

150

200

250

300

350

400

450

500

5.00

4.50

4.00

3.50

3.00

2.50

CABLE LENGTH (m)

0

5

10

15

20

25

30

35

40

45

50

1

10

100

1000

FREQUENCY (MHz)

5.0

4.5

4.0

3.5

3.0

2.5

2.0

200

250

300

350

400

CABLE LENGTH (m)

270

j1

3000

1620

810

-j1

-j2

-j5

j5

j2

j0.2

-j0.2

-j0.5

j0.5

Frequencies in MHz, impedances normalized to 50

Ω

CABLE LENGTH (m)

450

400

350

300

250

200

150

100

50

0

0

50

100

150

200

250

300

350

400

540Mb/s

270Mb/s

(Characterized)

DATA RATE (Mb/s)

100

450

400

350

300

250

200

150

200

300

400

500

600