Fluke 271 manual step, name, start µs, amplitude, length, Getting Started

Page 31
step

 

 

 

 

 

 

Getting Started

 

 

 

 

 

 

Using the Instrument

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

step

name

start (µs)

amplitude

start

step

amplitude

 

scaled to 0-1024

length

scaled to 0-511

 

 

 

 

 

 

 

 

 

 

 

 

0

 

0

30%

0

29

153

 

1

sync pulse

1.8

0%

29

75

0

 

2

back porch

6.5

30%

104

90

153

 

3

50% grey

12.1

65%

194

165

332

 

4

white

22.4

100%

358

165

511

 

5

50% grey

32.8

65%

525

165

332

 

6

black

43.1

30%

690

165

153

 

7

50% grey

53.4

65%

854

165

332

 

8

front porch

63.7

30%

1019

5

153

 

These values can now be entered in the staircase set-up screens. Press EDIT then the STAIR key. You should see this screen:

Change the length for the first step (00) to 29 and the level to +153. If you use the numeric and ENTER keys to make the change, the step number automatically increments after the level has been entered.

VALS=ABS AUTO=YES STEP=00 ACTIVE LENGTH=0256 LEVEL=+511

21

Image 31
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 Emissions EMC ComplianceImmunity 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 PanelControls The Liquid Crystal DisplayFunction Keys 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 offsetDC 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% 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 SignalsMODE=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 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