Table of Contents
Advertisement
Quick Links
Download this manual
See also:
User Manual
Advertisement
Table of Contents
Related Manuals for Fluke 281
Summary of Contents for Fluke 281
- Page 1 ® 281, 282, 284 40 MS/s Arbitrary Waveform Generators Getting Started Manual PN 2423304 January 2005 © 2005 Fluke Corporation, All rights reserved. Printed in USA All product names are trademarks of their respective companies.
- Page 2 LIMITED WARRANTY AND LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is one year and begins on the date of shipment. Parts, product repairs, and services are warranted for 90 days. This warranty extends only to the original buyer or end-user customer of a Fluke authorized reseller, and does not apply to fuses, disposable batteries, or to any product which, in Fluke's opinion, has been misused, altered, neglected, contaminated, or damaged by accident or abnormal conditions of operation or handling.
- Page 3 Safety This generator is a Safety Class I instrument according to IEC classification and has been designed to meet the require- ments of EN61010-1 (Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use). It is an Installation Category II instrument intended for operation from a normal single phase supply. This instrument has been tested in accordance with EN61010-1 and has been supplied in a safe condition.
- Page 4 2032. Do not mix with solid waste stream. Do not cut open, incinerate, expose to temperatures above 60 °C or attempt to recharge. Used batteries should be disposed of by a qualified recycler or hazardous ma- terials handler. Contact your authorized Fluke Service Center for recycling information. Caution Do not wet the instrument when cleaning it and in particular use only a soft dry cloth to clean the LCD win- dow.
- Page 5 Safety (continued) The following symbols are used on the instrument and in this manual: Caution - refer to the accompanying documentation, incorrect operation may damage the instrument. Terminal connected to chassis ground. Mains supply OFF. Mains supply ON. Alternating current. Warning - hazardous voltages may be present.
- Page 7 EMC Compliance This instrument meets the requirements of the EMC Directive 89/336/EEC. Compliance was demonstrated by meeting the test limits of the following standards: Emissions EN61326 (1998) EMC product standard for Electrical Equipment for Measurement, Control and Laboratory Use. Test limits used were: Radiated: Class B...
- Page 8 281, 282, 284 Getting Started Manual EN61000-4-6 (1996) Conducted RF: 3 V, 80 % AM at 1kHz (ac line only; signal connections <3 m not tested) Performance A. According to EN61326 the definitions of performance criteria are: Performance criterion A: ‘During test normal performance within the specification limits.’...
-
Page 9: Table Of Contents
Mains Supply Voltage....................1 Externally Applied Voltages ..................1 Controls and Connections ....................2 Model 281 Front Panel ....................3 Principal Controls and Connectors ................4 The Liquid Crystal Display Panel ................10 Multi-Channel Instruments - Front Panel Differences ..........10 Using the Instrument ...................... - Page 10 281, 282, 284 Getting Started Manual Arbitrary Waveforms ....................24 Other Functions ......................28 viii...
-
Page 11: Introduction
Getting Started Introduction Before you Start This Getting Started Manual for the model 281, 282 and Mains Supply Voltage 284 Arbitrary Waveform Generators is designed to Check that the instrument operating voltage marked on provide an initial understanding of the way the the rear panel is correct for the local supply. -
Page 12: Controls And Connections
±10 V connectors. There are three versions of the instrument, to the TRIG IN, MODULATION or SUM inputs. models 281, 282 and 284 being single-, 2- and 4-channel versions respectively. The Users Manual covers all three instruments. For this... -
Page 13: Model 281 Front Panel
Getting Started Controls and Connections Model 281 Front Panel shy0001f.gif Figure 1. Single-Channel Arbitrary Waveform Generator Model 281... -
Page 14: Principal Controls And Connectors
281, 282, 284 Getting Started Manual Principal Controls and Connectors The rotary control and the The WAVE SELECT keys two cursor keys below it call screens from which all are used to change standard or already defined parameter values in the... - Page 15 Getting Started Controls and Connections determine whether the output is continuous, triggered, WAVE EDIT keys call gated or swept and also provides for tone generation. screens from which arbitrary waveforms can be created, modified, combined, etc. The CREATE and MODIFY Numeric keys permit direct keys allow you to create a entry of a value for the...
- Page 16 281, 282, 284 Getting Started Manual Each channel has a key The SYNC OUT key calls which directly switches the an LCD display in which MAIN OUT of that channel you can set the parameters on and off. The LED ON...
- Page 17 Getting Started Controls and Connections The SUM socket accepts The MODULATION socket an external signal in the accepts an external signal range ±10 V which can be in the range ±10 V which added to the signal you can use to modulate generated internally.
- Page 18 281, 282, 284 Getting Started Manual The MAN TRIG key is The TRIG IN socket used for manual triggering accepts an external trigger (when TRIG IN is signal in the range ±10 V appropriately set) and for (with a threshold at 1.5 V)
- Page 19 Getting Started Controls and Connections The FILTER key brings up The STATUS key always an LCD display in which returns the display to the you can override the default start-up screen default output filter which gives an overview of settings. the generator's status.
-
Page 20: The Liquid Crystal Display Panel
281, 282, 284 Getting Started Manual The Liquid Crystal Display Panel Multi-Channel Instruments - Front Panel Differences The 4-line x 20-character LCD panel is used to display and edit all the parameter values and to indicate and The Users Manual contains drawings of the model 282 change modes. - Page 21 Getting Started Controls and Connections The STORE key: on the single channel instrument the store function is accessed via the UTILITY menu. The INTER CH key: used for phase locking between channels The COPY CH key: used for copying settings and waveform information between channels shy0019f.giff...
-
Page 22: Using The Instrument
At start-up the instrument will perform a series of internal self tests, during which the software version number is displayed. After a few seconds the display should be the status screen as shown in figure 1, the Model 281 front panel drawing above. -
Page 23: Generating Sine Waves
Getting Started Using the Instrument In the unlikely event that an internal fault is discovered Generating Sine Waves there will be a message displayed in place of the status With the frequency display shown you can experiment with screen. You should refer to the Users Manual if this the rotary control and the cursor keys below it to adjust the happens. - Page 24 281, 282, 284 Getting Started Manual Press the soft key at the bottom right, adjacent to is the default setting. You can explore the full list the word period. sine of standard waveforms using the cursor keys or the rotary The display should look like this: control.
- Page 25 Getting Started Using the Instrument AMPLITUDE Note that the Vrms and dBm amplitude displays are not +2.00 available for certain standard waveforms. The following Vrms sections assume a sine wave unless specified otherwise. load: hiZ You can experiment with other settings; selecting Vrms You can also apply a DC offset to the output: will change the indicated value from 2.00 Vpp to 707 mV rms.
- Page 26 281, 282, 284 Getting Started Manual DC OFFSET: DC OFFSET: program +1.00 program +1.00 (actual +1.00 Vdc) (actual +100. mVdc) load:hiZ load:hiZ The output stages of the instrument include a variable gain This is because the amplitude change has resulted in a amplifier and an 0 to 50 dB attenuator in 10 dB steps.
-
Page 27: Generating A Swept Output
Getting Started Using the Instrument Generating a Swept Output Other Standard Waveforms You can generate swept, phase-continuous sine waves You saw earlier that the list of standard waveforms and other waveforms. includes sine, square, triangle, dc, negative- and positive- going ramps, haversine, cosine, havercosine, sin(x)/x, Press the SWEEP pulse and pulse-train waveforms. - Page 28 281, 282, 284 Getting Started Manual given in the Users Manual. Select on the Screen pulse STANDARD WAVEFORMS The display will include a set-up option to the right of the pulse selection: Enter pulse width program +12.80 us (actual +12.80 us)
-
Page 29: Triggered Modes
Getting Started Using the Instrument next 3n screens set the level, width and delay for each of Triggered Modes the n pulses. So far we have considered only continuous modes of operation. The instruments also offer gated and triggered modes. This section of the Getting Started Manual only covers the burst mode of operation, which is an output of defined length triggered by an edge at the TRIG IN socket, a... - Page 30 281, 282, 284 Getting Started Manual between the internal trigger generator, an external Turn on the triggered mode input or the MAN TRIG front-panel key. On multi-channel Do this by pressing the MODE key and selecting instruments the source may also be another channel. For...
-
Page 31: Using The Synchronization Output
Getting Started Using the Instrument something like this: Using the Synchronization Output The SYNC OUT socket provides various signals which you can set up. These include the provision of a range of trigger or bright-up marker signals for oscilloscopes, other instruments and test devices, and signals for synchronizing and phase-locking additional generators. -
Page 32: Tone Mode
281, 282, 284 Getting Started Manual Tone Mode For most of the waveforms the waveform sync: output is a square wave at the main In tone mode the output is stepped through a list of up to waveform frequency. 16 frequencies under the control of the trigger signal or front panel MAN TRIG key. - Page 33 Getting Started Using the Instrument TONE type: trig TONE type: trig 2.000000 kHz #2 164.8000 Hz #1 3.000000 kHz 220.0000 end of list 293.6600 Hz #3 The trig type uses the trigger source to switch from the TONE type: trig current tone to the next.
- Page 34 281, 282, 284 Getting Started Manual Arbitrary Waveforms Arbitrary waveforms are stored in the instrument's internal memory as a series of values from -2048 to +2047. These limits correspond to the peak to peak output voltage range. The points are equally spaced along the time axis...
- Page 35 Getting Started Using the Instrument CREATE NEW WAVEFORM ARBS: backup mem free memory: 258972 wv00 01024 create blank… wv01 01024 create from copy… myWave 00100 Select create blank… This waveform (myWave) now exists in non-volatile memory and contains a series of 100 values, all of which You should see this screen: are currently zero.
- Page 36 281, 282, 284 Getting Started Manual EDIT FUNCTIONS: LINE (addrs, value) point edit… frm (00000, 00000) line draw… (00009, 01024) wave insert… exit draw line Press the line draw… soft key. The display initially Pressing the draw line soft key will complete segment offers a line covering the entire range of points from 0 to 1 of myWave.
- Page 37 Getting Started Using the Instrument The solid diamonds indicate that the display is in fact the LINE (addrs, value) sample frequency. frm (00050, 01024) (00059, 00000) exit draw line ARBITRARY FREQUENCY 1.000 sample waveform You can see how the interpolations have been calculated freq period by stepping through the waveform using the point...
- Page 38 281, 282, 284 Getting Started Manual Other Functions This family of Arbitrary Waveform Generators offers many features which are beyond the scope of this Getting Started Manual. They are covered in detail in the Users Manual. Topics not mentioned here include the ability to be driven...