Specifications

4-14
Operating Features and Specifications
Data Input
Data Input
The error detector data input port offers the following features, selectable using the
key and its menu of softkeys.
Features
• Data polarity - normal or inverted data.
• Auto or manual slicing.
• Set manual slicing level.
• Termination voltage - 0/−2V.
• Measure auto slicing voltage.
• Clock/Data delay adjust.
• Clock/Data alignment.
• 0/1 threshold centre.
Specifications
Impedance: 50Ω to 0V or −2V, dc coupled.
Format: NRZ.
Amplitude: 0.5 to 1 V pp.
Sensitivity: <50 mV pp (typical for 2 ^23−1 PRBS input at 10 Gb/s 0V high level).
<100 mV pp (typical for 2 ^23−1 PRBS input at 12.5 Gb/s 0V high level).
Decision threshold range: +1V to −3V in 1 mV steps.
Range: +1.5V to −4V.
Data input range: +1.5V to −4V.
Clock/Data phase alignment: ±1nsin1pssteps(100MHzto3GHz)
1 clock period (3 to 12.5 GHz) in 1 ps steps.
Connector: APC-3.5 mm male connector.
Pattern Trigger Output (error detector)
Provide an electrical trigger synchronous with the error detector reference pattern.
input & eye