Fluke 271 manual viii, Aux Out

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271

Getting Started Manual

AUX OUT	8
EXT TRIG	8
Rear Panel Connectors	9
CLOCK IN/OUT	9
VCA IN	9
SYNC OUT	9
TRIG/SWEEP OUT	10
RS232 and GPIB Interface Connectors	10
Using the Instrument	11
Starting up	11
Generating Continuous Signals	12
Generating Swept Signals	16
Generating a Triggered Burst	18
Special Waveforms	19
Saving and Recalling Settings	23
Arbitrary Waveforms	23
Other Functions and Waveforms	24

viii

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Contents Getting Started Manual Programmable 10 MHz DDS Function GeneratorLIMITED WARRANTY AND LIMITATION OF LIABILITY To register your product online, visit register.fluke.comSafety Getting Started Manual Terminal connected to chassis ground Mains supply OFF Mains supply ON Safety continuedThe following symbols are used on the instrument and in this manual Alternating current Warning - hazardous voltages may be presentPage Emissions EMC ComplianceImmunity e EN61000-4-5 1995 Surge 0.5 kV line to line, 1 kV line to ground Table of Contents Titleviii AUX OUTBefore You Start Getting StartedIntroduction Mains Supply VoltageExternally Applied Voltages Figure 1. Model 271 Front Panel Controls and ConnectionsGetting Started shx0001f.gifControls The Liquid Crystal DisplayFunction Keys FIELD and DIGIT Keys and the Rotary Control Numeric, Units and SET Keys OUTPUT Key MODE KeysUTILITIES Keys RECALL and REMOTEMAIN OUT Front Panel Inputs and OutputsEXT TRIG AUX OUTVCA IN Rear Panel ConnectorsCLOCK IN/OUT SYNC OUTRS232 and GPIB Interface Connectors TRIG/SWEEP OUTStarting up Using the InstrumentPlug in and switch on the instrument Check the LCD DisplayFREQ=12.50000kHz VhiZ=+20.0 Vpp 50Ω DC=+0.00mV +0.00mV Generating Continuous SignalsSet a frequency, for example 12.5 kHz SYM=50.0% 50.0%Change the dc offset Set the amplitude to +10 dBmHave a look at some other waveforms =80.00000usDC OFFSET CHANGE * * BY OUTPUT LEVEL Effect of the output attenuatorPER =80.00000us VhiZ=+4.00 Vpp 50Ω DC=+1.50 V +151.mV SYM=50.0% 50.0% SOURCE=EXT TGEN=1.00ms 1.000kHz BURST COUNT= PHASE=+116 +116 Adjusting the phaseSOURCE=EXT TGEN=1.00ms 1.000kHz BURST COUNT= PHASE=+000 +000 Asymmetric waveformsGenerating Swept Signals TRIG/SWEEP OUT signalMODE=BEG-END LAW=LOG RAMP TIME=5.00 s TRIG SRC=CONTINUOUS MORE MODE=BEG-END LAW=LOG RAMP TIME=0.05 s TRIG SRC=CONTINUOUS MOREBEG FRQ=261.6000 Hz END FRQ=1.108700kHz MARK FRQ=523.3000 Hz MORE Generating a Triggered Burst SOURCE=EXT TGEN=1.00ms 1.000kHz BURST COUNT=0001 PHASE=+000 +000PHASE=+000 +000 FREQ=2.000000kHz VhiZ=+20.0 Vpp 50Ω DC=+0.00mV +0.00mVStaircases FSK ModeSpecial Waveforms FREQ A=800.0000 Hz FREQ B=1.200000kHz SOURCE=TGEN FREEFigure 2. 625-line PAL TV Signal start µs stepname amplitudeVALS=ABS AUTO=YES STEP=01 ACTIVE LENGTH=0256 LEVEL=+000 VALS=ABS AUTO=YES STEP=08 ACTIVE LENGTH=0005 LEVEL=+153RECALL ARB No SINX/X ENTER TO EXECUTE Saving and Recalling SettingsArbitrary Waveforms RECALL ARB No ARB 03 IS EMPTYOther Functions and Waveforms