Tektronix TDS5000B Series

TDS5000B Online Programmer Guide
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TRIGger:A:LOGIc:SETHold:DATa:THReshold
Description
This command sets or queries the data voltage threshold for setup and
hold trigger. This command is equivalent to selecting Setup/Hold Setup
from the Trig menu and then setting the desired Data Level.
Group
Trigger
Related Commands
TRIGger:A:LOGIc:SETHold:DATa:SOUrce
Syntax 1
TRIGger:A:LOGIc:SETHold:DATa:THReshold
{ECL|TTL<NR3>}
Syntax 2
TRIGger:A:LOGIc:SETHold:DATa:THReshold?
Arguments
H ECL
This specifies the preset ECL high level of -- 1.3 V.
H TTL
This specifies the preset TTL high level of 1.4 V.
H <NR3>
This is the setup and hold data level, in V.
Example 1
TRIGger:A:LOGIc:SETHold:DATa:THReshold?
This query might return
:TRIGGER:A:LOGIC:SETHOLD:DATA:THRESHOLD
1.2000E+00
indicating that 1.2 V is the current data voltage level for the setup and
hold trigger.
Example 2
TRIGger:A:LOGIc:SETHold:DATa:THReshold TTL
This command specifies the preset ECL high level of 1.4 V as the cur-
rent data voltage level for the setup and hold trigger.