安捷伦函数信号发生器Agilent33120A的性能与使用说明Word文档格式.docx
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安捷伦函数信号发生器Agilent33120A的性能与使用说明Word文档格式.docx
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有利于了解关于本信号源的具体性能指标和基本操作使用方法。
在使用本信号源前,使用者必须阅读以下的内容。
附录
Agilent33120AFunctionGeneratorUserGuide
Specifications
WAVEFORMS
Standard
Waveforms:
Sine,Square,Triangle,Ramp,Noise,DCvolts,Sine(x)/x,Negative
Ramp,ExponentialRise,ExponentialFall,Cardiac
Arbitrary
WaveformLength:
8to16,000points
AmplitudeResolution:
12bits(includingsign)
SampleRate:
40MSa/sec
Non-VolatileMemory:
Four16,000-pointwaveforms
FREQUENCYCHARACTERISTICS
Sine:
100μHz–15MHz
Square:
Triangle:
100μHz–100kHz
Ramp:
Noise
10MHzbandwidth
(Gaussian):
8to8,192points:
100μHz–5MHz
8,193to12,287points:
100μHz–2.5MHz
12,288to16,000
100μHz–200kHz
points:
Resolution:
10μHzor10digits
Accuracy:
10ppmin90days,20ppmin1year,18
℃–28℃
Temperature
Coefficient:
<
2ppm/℃
Aging:
10ppm/yr
SINEWAVESPECTRALPURITY(into50?
)
Harmonic
DCto20kHz:
-70dBc
Distortion
20kHzto100kHz:
-60dBc
100kHzto1MHz:
-45dBc
1MHzto15MHz:
-35dBc
TotalHarmonic
0.04%
Spurious
Output(DCto1MHz):
-65dBc
(non-harmonic)
Output(>
1MHz):
-65dBc+6dB/octave
PhaseNoise:
-55dBcina30kHzband
SIGNALCHARACTERISTICS
Squarewave
Rise/FallTime:
20ns
Overshoot:
4%
Asymmetry:
1%+5ns
DutyCycle:
20%to80%(to5MHz)
40%to60%(to15MHz)
Triangle,Ramp,
40ns(typical)
Arb
Linearity:
0.1%ofpeakoutput
SettlingTime:
250nsto0.5%offinalvalue
Jitter:
25ns
OUTPUTCHARACTERISTICS1
Amplitude(into
50mVpp–10Vpp
50?
):
2
Accuracy(at1kHz):
±
1%ofspecifiedoutput
Flatness(sinewaverelativeto1kHz)
100kHz:
1%(0.1dB)
1.5%(0.15dB)
2%(0.2dB)Ampl≥3Vrms
3.5%(0.3dB)Ampl<
3Vrms
Offset(into50?
5Vpkac+dc
3
Accuracy4
2%ofsetting+2mV
Output
fixed
Impedance:
3digits,AmplitudeandOffset
OutputUnits:
Vpp,Vrms,dBm
Isolation:
42Vpkmaximumtoearth
Protection:
Short-circuitprotected
15Vpkoverdrive<
1minute
MODULATIONCHARACTERISTICS
Modulation:
AMModulationCarrier-3dBFreq:
10MHz(typical)
AnyinternalwaveformplusArb
Frequency:
10mHzto20kHz(±
0.05%to2.5kHz,
thendecreaseslinearlyto±
0.4%atupper
limit)
Depth:
0%to120%
Source:
Internal/External
FMModulation
10mHzto10kHz(±
0.05%to600Hz,then
decreaseslinearlyto±
0.8%atupperlimit)
PeakDeviation:
10mHzto15MHz
InternalOnly
Burst
CarrierFrequency:
5MHzmax.
Modulation
Count:
1to50,000cycles,orInfinite
StartPhase:
-360°
to+360°
InternalRate:
10mHzto50kHz±
1%
GateSource:
InternalorExternalGate5
TriggerSource:
Single,External,orInternalRate
FSKModulation
FrequencyRange:
10mHzto15MHz(±
0.05%to600Hz,
4%atupper
10mHzto50kHz
Internal/External(1MHzmax.)
FREQUENCYSWEEP
Type:
LinearorLogarithmic
Direction:
UporDown
StartF/StopF:
Time:
1msto500sec±
0.1%
Single,External,orInternal
REAR-PANELINPUTS
ExternalAM
5Vpk=100%Modulation5k
?
InputResistance
ExternalTrigger/
TTL(lowtrue)
FSKBurstGate:
5
Latency:
1.3μs
25ns
SYSTEMCHARACTERISTICS
Configuration
FunctionChange:
7
80ms
Times6
FrequencyChange:
7
30ms
AmplitudeChange:
OffsetChange:
10ms
SelectUserArb:
100ms
Parameter
350ms
Change:
ArbDownload
ArbLength
Binary
ASCIIInteger
ASCIIReal8
TimesoverGPIB:
16,000points
8sec
81sec
100sec
8,192points
4sec
42sec
51sec
4,096points
2.5sec
21sec
26sec
2,048points
1.5sec
11sec
13sec
Download
ASCIIReal10
Times
over
35sec
101sec
134sec
RS-232
at9600
18sec
52sec
69sec
Baud:
9
10sec
27sec
6sec
14sec
Add1/10thofoutputamplitudeandoffsetspecificationper℃foroperation
outsideof18℃to28℃range(1-yearspecification).
100mVpp–20Vppamplitudeintoopen-circuitload.
Offset≤2Xpeak-to-peakamplitude.
Forsquarewaveoutputs,add2%ofoutputamplitudeadditionalerror.
TriggersourceignoredwhenExternalGateisselected.
Timetochangeparameterandoutputthenewsignal.
Modulationorsweepoff.
Timesfor5-digitand12-digitnumbers.
For4800baud,multiplythedownloadtimesbytwo;
For2400baud,multiply
thedownloadtimesbyfour,etc.
10Timefor5-digitnumbers.For12-digitnumbers,multiplythe5-digitnumbersbytwo.
OperatingBasics
**
TheFrontPanel
②Menuoperationkeys
①Function/Modulationkeys
③Waveformmodifykeys
4Single/InternalTriggerkey(BurstandSweep
only)
5Recall/Storeinstrumentstatekey
⑦Shift/Localkey
6EnterNumberkey
⑧EnterNumber“Units”key
QuickStart
Oneofthefirstthingsyouwillwanttodowithyourfunctiongeneratoristobecomeacquaintedwithitsfrontpanel.Wehavewrittentheexercisesinthischaptertopreparethefunctiongeneratorforuseandhelpyougetfamiliarwithsomeofthefront-paneloperations.
Thefrontpanelhastworowsofkeystoselectvariousfunctionsandoperations.
Mostkeyshaveashiftedfunctionprintedinblueabovethekey.Toperformashiftedfunction,pressShift(theShiftannunciatorwillturnon).Then,pressthe
keythathasthedesiredlabelaboveit.Forexample,toselecttheAM(amplitude
annunciator.
Tosettheoutputfrequency
amplitudeof100mVpeak-to-peak(intoa50
Thefollowingstepsshowyouhowtochangethefrequencyto1.2MHz.
1Enablethefrequencymodifymode.
PressFreq
Thedisplayedfrequencyiseitherthepower-onvalueorthepreviousfrequencyselected.Whenyouchangefunctions,thesamefrequencyisusedifthepresentvalueisvalidforthenewfunction.
1.000,000,0KHz
2Enterthemagnitudeofthedesiredfrequency.
PressEnterNumber1·
0orusetheknobandarrowkeystochangethenumber.
NoticethattheNumannunciatorturnsonand“ENTERNUM”flashesonthedisplay,indicatingthatthenumbermodeisenabled.
3Settheunitstothedesiredvalue.
PressShift(MHz/mVpp)
Theunitsareselectedusingthearrowkeysontherightsideofthefrontpanel.Assoonasyouselecttheunits,thefunctiongeneratoroutputsthewaveformwiththe
displayedfrequency.Toturnofftheflashingdigit,movethecursortotheleftofthe
displayusingthearrowkeys.
1.200,000,0MHz
Tosettheoutputamplitude
Atpower-on,thefunctiongeneratoroutputsasinewavewithamplitudeof100mVpeak-to-peak(intoa50_termination).
Thefollowingstepsshowyouhowtochangetheamplitudeto50mVrms.
1Enabletheamplitudemodifymode.
PressAmpl
Thedisplayedamplitudeiseitherthepower-onvalueorthepreviousamplitudeselected.Whenyouchangefunctions,thesameamplitudeisusedifthepresentvalueisvalidforthenewfunction.
100.0mVPP
2Enterthemagnitudeofthedesiredamplitude.
number.
Tocancelthenumbermode,pressShiftCancel3Settheunitstothedesiredvalue.
PressShift(kHz/mVrms)
Theunitsareselectedusingthearrowkeysontherightsideofthefrontpanel.As
soonasyouselecttheunits,thefunctiongeneratoroutputsthewaveformwiththedisplayedamplitude.Toturnofftheflashingdigit,movethecursortotheleftofthe
50.00mVRMS
Tosetadcoffsetvoltage
Atpower-on,thefunctiongeneratoroutputsasinewavewithadcoffsetvoltageof0volts(intoa50Ωtermination).Thefollowingstepsshowyouhowtochangetheoffsetto–1.5mVdc.
1Enabletheoffsetmodifymode.
PressOffset
Thedisplayedoffsetvoltageiseitherthepower-onvalueorthepreviousoffsetselected.Whenyouchangefunctions,thesameoffsetisusedifthepresentvalueisvalidforthenewfunction.
+0.000VDC
2Enterthemagnitude
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