GS1528A/GS9068A HD-LINX® II Multi-Rate Dual

Slew-Rate Cable Driver

Data Sheet

30953 - 6

August 2010

11 of 18

Proprietary & Confidential

Figure 5-1: Output signal for 270Mb/s input

Figure 5-2: Output signal for 1.485Gb/s input (GS1528A only)

The output protection diodes act as a varactor (voltage controlled capacitor) as shown in

Figure 5-3. Therefore, when measuring return loss at the GS1528A/9068A output, it is

necessary to take the measurement for both a logic high and a logic low output

condition.

Consequently, the output capacitance of the device is dependent on the logic state of the

output.

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