MDO3000 Programmer Manual.pdf - 第752页

Commands Listed in A lphabetical Order NONe specifies n o clock source. D0-D15 specifies a digital channel as the clock s ource. RF_AMPlitude| RF_FREQuency|RF_ PHASe s p e c i f ya nR Ft i m ed o m a i nt r a c ea s the cl…

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Commands Listed in Alphabetical Order
Arguments
HIGH specifies t
he logic high.
LOW specifies the logic low.
X specifies a "don't care" state.
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:CLOCk:EDGE
This comman
d specifies the clock edge condition (rising or falling) to be used in a
logic search. <x> is the search number, which is always 1.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:CLOCk:EDGE
{FALL|RISe}
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:CLOCk:EDGE?
Arguments
RISe specifies a rising edge.
FALL specifies a falling edge.
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:CLOCk:SOUrce
This command specifies the clock source to be used in a logic search. <x> is the
search number, which is always 1. If a clock source is defined, then the logic
search is determined by the state of the other inputs at the clock transition. If
no clock source is defined, then the logic search is determined only by the state
of the inputs.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:CLOCk:SOUrce
{CH1|CH2|CH3|CH4|MATH|REF|NONe|D0|D1|D2|D3|D4|D5|D6|D7|D8
|D9|D10|D11|D12|D13|D14|D15|RF_AMPlitude|
RF_FREQuency|RF_PHASe}
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:CLOCk:SOUrce?
Arguments
CH1–4 specifies an analog channel as the clock source.
MATH specifies the math waveform as the clock source.
REF specifies the reference waveform as the clock source.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-721
Commands Listed in Alphabetical Order
NONe specifies n
o clock source.
D0-D15 specifies a digital channel as the clock source.
RF_AMPlitude|RF_FREQuency|RF_PHASe specifyanRFtimedomaintraceas
the clock source. (MDO4000/B/C only.)
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:D<x>
This command specifies the logic condition to be used in a logic search when the
input is a digital channel.
SEARCH<x> is the search number, which is always 1,
and
D<x> is the digital channel number, which can be D0 – D16.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:D<x> {HIGH|LOW|X}
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:D<x>?
Arguments
HIGH specifies a high logic level.
LOW specifies a low logic level.
X specifies a “don't care” condition.
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:MATH
This command specifies the logic condition of the math input to be used in a logic
search. <x> is the search number, which is always 1.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:MATH {HIGH|LOW|X}
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:MATH?
Arguments
HIGH specifies a high logic level.
LOW specifies a low logic level.
X specifies a “don't care” condition.
2-722 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
Commands Listed in Alphabetical Order
SEARCH:SEARC
H<x>:TRIGger:A:LOGIc:INPut:REF<x>
This command specifies the logic condition of the reference waveform to be
used in a logic search.
SEARCH<x> is the search number, which is always 1, and
REF<x> is the
reference channel number, which can be 1–4.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:REF<x> {HIGH|LOW|X}
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:REF<x>?
Arguments
HIGH specifies a high logic level.
LOW specifies a low logic level.
X specifies a “don't care” condition.
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:RF_AMPlitude
This command specifies the logic criteria to search for when searching using
the RF Amplitude vs. Time trace. This command is used together with
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:THReshold:RF_AMPlitude to
search for an instance when the waveform goes higher or lower than the specified
threshold. “LOW” specifies to only set a mark when the RF_AMPlitude
waveform drops below the logic threshold; likewise, “HIGH
” specifies to set a
mark when the waveform goes above the logic threshold. “X” specifies “don’t
care”.
SEARCH<x> is the search number, which is always 1.
Conditions
MDO4000/B/C models only.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:RF_AMPlitude
{HIGH|LOW|X}
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:RF_AMPlitude?
Related Commands
TRIGger:A:LOGIc:INPut:RF
Arguments
HIGH specifies a high logic level.
LOW specifies a low logic level.
X specifies a “don't care” condition.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-723