Technical data

[SOURce[1]]:PATTern[:SELect] <Source>

[SOURce[1]]:PATTern[:SELect]?

<Source>: PRBS<n> | PRBN<n> | ZSUBstitut<n> | MDENsity<n> |

UPATtern<n> | FILename, <string> | SEQuence | PRBS23P

This command defines the type of pattern being generated. The parameter is

retained for backwards compatibility and may be one of the following:

PRBS<n> <n> = 7, 10, 11, 15, 23, 31

PRBN<n> <n> = 7, 10,11,13, 15, 23

ZSUBstitut<n> <n> = 7, 10,11,13, 15, 23

UPATtern<n> <n> = 1 through 12

MDENsity<n> <n> = 7, 10,11,13, 15, 23

FILename, <string>

SEQuence

PRBS23P

ZSUBstitut: Zero SUBstitution; used for defining PRBN patterns in which a block

of bits is replaced by a block of zeros. The length of the block is defined by

“[SOURce[1]]:PATTern:ZSUBstitut[:ZRUN][?]” on page 106.

MDENsity: Mark DENsity; used for defining a PRBN pattern in which the user can

set the mark density. The mark density is set with “[SOURce

[1]]:PATTern:MDENsity[:DENSity][?] ” on page 104.

UPATtern<n>: User PATtern; used to define the contents of a pattern store. For

the Serial BERT, <n> can be 1 to12.

FILename: A parameter that allows the remote user to load a user pattern from

the instrument's disk drive. This is the preferred mechanism for loading user

patterns in the Serial BERT.

SCPI Command Reference 5

Agilent J-BERT N4903B High-Performance Serial BERT 105

Syntax

Input Parameters

Return Range

Description