安捷伦函数信号发生器Agilent 33120A地性能与使用说明书Word格式.docx
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⒉关于本信号源的具体性能指标和根本操作使用方法
以下关于本信号源的具体性能指标和根本操作使用方法摘自“Agilent33120AFunctionGeneratorUserGuide〞。
直接阅读原版用户手册，比阅读翻译后的用户手册更有利于了解关于本信号源的具体性能指标和根本操作使用方法。
在使用本信号源前，使用者必须阅读以下的容。
附录
Agilent33120AFunctionGeneratorUserGuide
Specifications
WAVEFORMS
StandardWaveforms:
Sine,Square,Triangle,Ramp,Noise,DCvolts,Sine（x）/x,NegativeRamp,ExponentialRise,ExponentialFall,Cardiac
ArbitraryWaveforms:
WaveformLength:
8to16,000points
AmplitudeResolution:
12bits（includingsign）
SampleRate:
40MSa/sec
Non-VolatileMemory:
Four16,000-pointwaveforms
FREQUENCYCHARACTERISTICS
Sine:
100μHz–15MHz
Square:
Triangle:
100μHz–100kHz
Ramp:
Noise（Gaussian）:
10MHzbandwidth
8to8,192points:
100μHz–5MHz
8,193to12,287points:
100μHz–2.5MHz
12,288to16,000points:
100μHz–200kHz
Resolution:
10μHzor10digits
Accuracy:
10ppmin90days,20ppmin1year,18℃–28℃
TemperatureCoefficient:
<
2ppm/℃
Aging:
10ppm/yr
SINEWAVESPECTRALPURITY（into50Ω）
HarmonicDistortion
DCto20kHz:
-70dBc
20kHzto100kHz:
-60dBc
100kHzto1MHz:
-45dBc
1MHzto15MHz:
-35dBc
TotalHarmonicDistortion
0.04%
Spurious（non-harmonic）
Output（DCto1MHz）:
-65dBc
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,Arb
40ns（typical）
Linearity:
0.1%ofpeakoutput
SettlingTime:
250nsto0.5%offinalvalue
Jitter:
25ns
OUTPUTCHARACTERISTICS1
Amplitude（into50Ω）:
2
50mVpp–10Vpp
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（into50Ω）:
3
5Vpkac+dc
Accuracy4
2%ofsetting+2mV
OutputImpedance:
50Ωfixed
3digits,AmplitudeandOffset
OutputUnits:
Vpp,Vrms,dBm
Isolation:
42Vpkmaximumtoearth
Protection:
Short-circuitprotected±
15Vpkoverdrive<
1minute
MODULATIONCHARACTERISTICS
AMModulation
Carrier-3dBFreq:
10MHz（typical）
Modulation:
AnyinternalwaveformplusArb
Frequency:
10mHzto20kHz（±
0.05%to2.5kHz,thendecreaseslinearlyto±
0.4%atupperlimit）
Depth:
0%to120%
Source:
Internal/External
FMModulation
10mHzto10kHz（±
0.05%to600Hz,thendecreaseslinearlyto±
0.8%atupperlimit）
PeakDeviation:
10mHzto15MHz
InternalOnly
BurstModulation
CarrierFrequency:
5MHzmax.
Count:
1to50,000cycles,orInfinite
StartPhase:
-360°
to+360°
InternalRate:
10mHzto50kHz±
1%
GateSource:
InternalorExternalGate5
TriggerSource:
Single,External,orInternalRate
FSKModulation
FrequencyRange:
10mHzto15MHz（±
4%atupperlimit）
10mHzto50kHz
Internal/External（1MHzmax.）
FREQUENCYSWEEP
Type:
LinearorLogarithmic
Direction:
UporDown
StartF/StopF:
Time:
1msto500sec±
0.1%
Single,External,orInternal
REAR-PANELINPUTS
ExternalAMModulation:
5Vpk=100%Modulation5kΩInputResistance
ExternalTrigger/FSKBurstGate:
5
TTL（lowtrue）
Latency:
1.3μs
25ns
SYSTEMCHARACTERISTICS
ConfigurationTimes6
FunctionChange:
7
80ms
FrequencyChange:
30ms
AmplitudeChange:
OffsetChange:
10ms
SelectUserArb:
100ms
ModulationParameterChange:
350ms
ArbDownloadTimesoverGPIB:
ArbLength
Binary
ASCIIInteger
ASCIIReal8
16,000points
8sec
81sec
100sec
8,192points
4sec
42sec
51sec
4,096points
2.5sec
21sec
26sec
2,048points
1.5sec
11sec
13sec
ArbDownloadTimesoverRS-232at9600Baud:
9
ASCIIReal10
35sec
101sec
134sec
18sec
52sec
69sec
10sec
27sec
6sec
14sec
1Add1/10thofoutputamplitudeandoffsetspecificationper℃foroperationoutsideof18℃to28℃range（1-yearspecification）.
2100mVpp–20Vppamplitudeintoopen-circuitload.
3Offset≤2Xpeak-to-peakamplitude.
4Forsquarewaveoutputs,add2%ofoutputamplitudeadditionalerror.
5TriggersourceignoredwhenExternalGateisselected.
6Timetochangeparameterandoutputthenewsignal.
7Modulationorsweepoff.
8Timesfor5-digitand12-digitnumbers.
9For4800baud,multiplythedownloadtimesbytwo;
For2400baud,multiplythedownloadtimesbyfour,etc.
10Timefor5-digitnumbers.For12-digitnumbers,multiplythe5-digitnumbersbytwo.
OperatingBasics
TheFrontPanel
1Function/Modulationkeys②Menuoperationkeys
③Waveformmodifykeys④Single/InternalTriggerkey（BurstandSweeponly）
⑤Recall/Storeinstrumentstatekey⑥EnterNumberkey
⑦Shift/Localkey⑧EnterNumber“Units〞key
QuickStart
Oneofthefirstthingsyouwillwanttodowithyourfunctiongeneratoristobeeacquaintedwithitsfrontpanel.Wehavewrittentheexercisesinthischaptertopreparethefunctiongeneratorforuseandhelpyougetfamiliarwithsomeofthefront-paneloperations.
Thefrontpanelhastworowsofkeystoselectvariousfunctionsandoperations.Mostkeyshaveashiftedfunctionprintedinblueabovethekey.Toperformashiftedfunction,press
Shift
（theShiftannunciatorwillturnon）.Then,pressthekeythathasthedesiredlabelaboveit.Forexample,toselecttheAM（amplitudemodulation）function,press
AM
（theshiftedversionofthekey）.
Ifyouaccidentallypress
justpressitagaintoturnofftheShiftannunciator.
Mostkeysalsohaveanumberprintedingreennexttothekey.Toenablethenumbermode,press
EnterNumber
（theNumannunciatorwillturnon）.Then,pressthekeysthathavethedesirednumbersprintednexttothem.Forexample,toselectthenumber“10〞,press
1
（nexttotheand
Recall
keys）.
justpress
Cancel
toturnofftheNumannunciator.
Tosettheoutputfrequency
Atpower-on,thefunctiongeneratoroutputsasinewaveat1kHzwithamplitudeof100mVpeak-to-peak（intoa50Ωtermination）.
Thefollowingstepsshowyouhowtochangethefrequencyto1.2MHz.
1Enablethefrequencymodifymode.
Press
Freq
Thedisplayedfrequencyiseitherthepower-onvalueorthepreviousfrequencyselected.Whenyouchangefunctions,thesamefrequencyisusedifthepresentvalueisvalidforthenewfunction.
1.000,000,0KHz
2Enterthemagnitudeofthedesiredfrequency.
·
orusetheknobandarrowkeystochangethenumber.
NoticethattheNumannunciatorturnsonand“ENTERNUM〞flashesonthedisplay,indicatingthatthenumbermodeisenabled.
Tocancelthenumbermode,press
.
3Settheunitstothedesiredvalue.
Press
（MHz/mVpp）
Theunitsareselectedusingthearrowkeysontherightsideofthefrontpanel.Assoonasyouselecttheunits,thefunctiongeneratoroutputsthewaveformwiththedisplayedfrequency.Toturnofftheflashingdigit,movethecursortotheleftofthedisplayusingthearrowkeys.
1.200,000,0MHz
Tosettheoutputamplitude
Atpower-on,thefunctiongeneratoroutputsasinewavewithamplitudeof100mVpeak-to-peak（intoa50_termination）.
Thefollowingstepsshowyouhowtochangetheamplitudeto50mVrms.
1Enabletheamplitudemodifymode.
Ampl
Thedisplayedamplitudeiseitherthepower-onvalueorthepreviousamplitudeselected.Whenyouchangefunctions,thesameamplitudeisusedifthepresentvalueisvalidforthenewfunction.
10mVPP
2Enterthemagnitudeofthedesiredamplitude.
5
50
（kHz/mVrms）
Theunitsareselectedusingthearrowkeysontherightsideofthefrontpanel.Assoonasyouselecttheunits,thefunctiongeneratoroutputsthewaveformwiththedisplayedamplitude.Toturnofftheflashingdigit,movethecursortotheleftofthedisplayusingthearrowkeys.
50.00mVRMS
Tosetadcoffsetvoltage
Atpower-on,thefunctiongeneratoro
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