Fluke 271 manual Getting Started, Introduction, Before You Start, Mains Supply Voltage

Page 11

Introduction

This Getting Started Manual for the model 271 Programmable 10 MHz DDS Function Generator is designed to provide an initial understanding of the way the instrument is operated. The manual is set out in the form of a tutorial, guiding you through a series of basic front panel operations in order to familiarize you with the controls and the modes of operation.

The Users Manual contains detailed specifications and descriptions of all the functions and operations accessible both from the front panel and by means of the remote interfaces.

Getting Started

Before You Start

Mains Supply Voltage

Check that the instrument operating voltage marked on the rear panel is correct for the local supply. If it is necessary to change the operating voltage, follow the procedure described in Appendix A of the Users Manual.

Image 11

Contents Programmable 10 MHz DDS Function Generator Getting Started ManualTo register your product online, visit register.fluke.com LIMITED WARRANTY AND LIMITATION OF LIABILITYSafety Getting Started Manual Alternating current Warning - hazardous voltages may be present Safety continuedThe following symbols are used on the instrument and in this manual Terminal connected to chassis ground Mains supply OFF Mains supply ONPage Immunity EMC ComplianceEmissions e EN61000-4-5 1995 Surge 0.5 kV line to line, 1 kV line to ground Title Table of ContentsAUX OUT viiiMains Supply Voltage Getting StartedIntroduction Before You StartExternally Applied Voltages shx0001f.gif Controls and ConnectionsGetting Started Figure 1. Model 271 Front PanelFunction Keys The Liquid Crystal DisplayControls FIELD and DIGIT Keys and the Rotary Control Numeric, Units and SET Keys RECALL and REMOTE MODE KeysUTILITIES Keys OUTPUT KeyAUX OUT Front Panel Inputs and OutputsEXT TRIG MAIN OUTSYNC OUT Rear Panel ConnectorsCLOCK IN/OUT VCA INTRIG/SWEEP OUT RS232 and GPIB Interface ConnectorsCheck the LCD Display Using the InstrumentPlug in and switch on the instrument Starting upSYM=50.0% 50.0% Generating Continuous SignalsSet a frequency, for example 12.5 kHz FREQ=12.50000kHz VhiZ=+20.0 Vpp 50Ω DC=+0.00mV +0.00mV=80.00000us Set the amplitude to +10 dBmHave a look at some other waveforms Change the dc offsetPER =80.00000us VhiZ=+4.00 Vpp 50Ω DC=+1.50 V +151.mV SYM=50.0% 50.0% Effect of the output attenuatorDC OFFSET CHANGE * * BY OUTPUT LEVEL Asymmetric waveforms Adjusting the phaseSOURCE=EXT TGEN=1.00ms 1.000kHz BURST COUNT= PHASE=+000 +000 SOURCE=EXT TGEN=1.00ms 1.000kHz BURST COUNT= PHASE=+116 +116TRIG/SWEEP OUT signal Generating Swept SignalsBEG FRQ=261.6000 Hz END FRQ=1.108700kHz MARK FRQ=523.3000 Hz MORE MODE=BEG-END LAW=LOG RAMP TIME=0.05 s TRIG SRC=CONTINUOUS MOREMODE=BEG-END LAW=LOG RAMP TIME=5.00 s TRIG SRC=CONTINUOUS MORE FREQ=2.000000kHz VhiZ=+20.0 Vpp 50Ω DC=+0.00mV +0.00mV SOURCE=EXT TGEN=1.00ms 1.000kHz BURST COUNT=0001 PHASE=+000 +000PHASE=+000 +000 Generating a Triggered BurstFREQ A=800.0000 Hz FREQ B=1.200000kHz SOURCE=TGEN FREE FSK ModeSpecial Waveforms StaircasesFigure 2. 625-line PAL TV Signal amplitude stepname start µsVALS=ABS AUTO=YES STEP=08 ACTIVE LENGTH=0005 LEVEL=+153 VALS=ABS AUTO=YES STEP=01 ACTIVE LENGTH=0256 LEVEL=+000RECALL ARB No ARB 03 IS EMPTY Saving and Recalling SettingsArbitrary Waveforms RECALL ARB No SINX/X ENTER TO EXECUTEOther Functions and Waveforms