MDO3000 Programmer Manual.pdf - 第750页

Commands Listed in A lphabetical Order Group Search Syntax SEARCH:SEARCH <x>:TRIGger:A:LE Vel:RF_PHASe {<NR1>|ECL|TTL } SEARCH:SEARCH <x>:TRIGger:A:LE Vel:RF_PHASe? Arguments <NR3> is a floating po…

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Commands Listed in Alphabetical Order
Conditions
MDO4000/B and M
DO4000C with option SA3 or SA6 only.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A:LEVel:RF_AMPlitude
{<NR3>|ECL|TTL}
SEARCH:SEARCH<x>:TRIGger:A:LEVel:RF_AMPlitude?
Arguments
<NR3> is a floating point number that sets the threshold level, in Volts, to use
when searching on the RF Amplitude vs. Time trace.
ECL sets the threshold level to a preset ECL high level of -1.3V.
TTL sets the threshold level to a preset TTL high level of 1.4V.
SEARCH:SEARCH<x>:TRIGger:A:LEVel:RF_FREQuency
This command sets the threshold level to use when searching on the RF Frequency
vs. Time trace.
Conditions
MDO4000/B and MDO4000C with option SA3 or SA6 only.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A:LEVel:RF_FREQuency
{<NR3>|ECL|TTL}
SEARCH:SEARCH<x>:TRIGger:A:LEVel:RF_FREQuency?
Arguments
<NR3> is a floating point number that sets the threshold level, in Volts, to use
when searching on the RF Frequency vs. Time trace.
ECL sets the threshold level to a preset ECL high level of -1.3V.
TTL sets the threshold level to a preset TTL high level of 1.4V.
SEARCH:SEARCH<x>:TRIGger:A:LEVel:RF_PHASe
This command sets the threshold level to use when searching on the RF Phase
vs. Time trace.
Conditions
MDO4000/B and MDO4000C with option SA3 or SA6 only.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-719
Commands Listed in Alphabetical Order
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A:LEVel:RF_PHASe {<NR1>|ECL|TTL}
SEARCH:SEARCH<x>:TRIGger:A:LEVel:RF_PHASe?
Arguments
<NR3> is a floating point number that sets the threshold level, in Volts, to use
when searching on the RF Phase vs. Time trace.
ECL sets the threshold level to a preset ECL high level of -1.3V.
TTL sets the threshold level to a preset TTL high level of 1.4V.
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:FUNCtion
This command specifies the logic operator 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:FUNCtion {AND|NANd|NOR|OR}
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:FUNCtion?
Arguments
AND places a mark if all conditions are true.
NANd places a mark if any of the conditions are false.
NOR places a mark if all conditions are false.
OR places a mark if any of the conditions are true.
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:CH<x>
This command specifies the logic condition to be used in a logic search w
hen the
input is an analog channel.
SEARCH<x> is the search number, which is always 1,
and
CH<x> is the channel number, which can be 1–4.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:CH<x> {HIGH|LOW|X}
SEARCH:SEARCH<x>:TRIGger:A:LOGIc:INPut:CH<x>?
2-720 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
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