:EMEMory:UDEFined:TOP

Instrument:
N1000A
N109x
UXR Scope
Flex Apps:
FlexDCA
FlexRT
Meas. mode:
Eye
Waveform type:
NRZ
PAM4

Command Syntax

:EMEMory{1:8}:UDEFined:TOP <amplitude>

Where the required specifier {1:8} identifies one of eight eye memories.

Where <amplitude> is an double.

Query Syntax

:EMEMory{1:8}:UDEFined:TOP?

Description

For the indicated eye memory, sets or queries the custom top-level setting. The top and base levels are used to locate a waveform's lower, middle, and upper threshold levels during the following measurements: duty-cycle distortion, rise time and fall time. Specify the level in volts or Watts depending on the waveform type. Use :EMEMory{1:8}:UDEFined:BASe to set or query a custom base level.

Before this custom top level can be applied to measurements, use the :MEASure:TBASe:METHod command to select custom top-base definitions.

Example Command Sequence

:MEASure:TBASe:METHod UDEFined
:EMEMory2:UDEFined:BASe -125E-3
:EMEMory2:UDEFined:TOP 125E-3