AFG1000 Series Arbitrary/Function Generator Quick Start User Manual *P077113001* 077-1130-01
AFG1000 Series Arbitrary/Function Generator Quick Start User Manual www.tektronix.
Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers, and are protected by national copyright laws and international treaty provisions. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material. Specifications and price change privileges reserved. TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
Warranty Tektronix warrants that the product will be free from defects in materials and workmanship for a period of three (3) years from the date of original purchase from an authorized Tektronix distributor. If the product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.
Table of contents Preface ....................................................................................................................................................... iii Where to find more information.......................................................................................................... iii Conventions used in this manual ......................................................................................................... iii Service offerings .............................
Table of contents Sweep a waveform ............................................................................................................................. 35 Modulate a waveform......................................................................................................................... 37 Generate a burst waveform................................................................................................................. 45 Copy channel setting .........................................
Preface This manual describes the installation and operation of Tektronix AFG1000 Series Arbitrary/Function Generator along with basic operations and concepts.
Preface Service offerings Tektronix provides service to cover repair under warranty and other services that are designed to meet your specific service needs. Tektronix warrants this product as describe in the warranty statement at the front of this manual. Tektronix technicians provide warranty service at most Tektronix service locations worldwide. Please contact your local Tektronix representative for more information on any repair or adjustment service.
Getting started General features Each AFG1000 Series Arbitrary/Function Generator offers the functionality of three generators in one, and a frequency counter: 25 MHz / 60 MHz Function Generator 12.5 MHz / 30 MHz Pulse Generator 14-bit Arbitrary Waveform Generator 200 MHz Frequency Counter The following table describes some of the general features of your instrument. Feature Channel Sine Pulse Arbitrary waveform Sampling Rate Amplitude AFG1022 2 25 MHz 12.
Getting started Standard accessories Unpack the instrument and check that you received all items listed as Standard Accessories. Check the Tektronix Web site (www.tektronix.com) for the most current information.
Getting started Operating requirements The following information and figure describe temperature, clearance, and power supply operating requirements of the instrument. 306.36 mm (12.06 in) 229.16 mm (9.02 in) 111.16 mm (4.38 in) Figure 1: Instrument dimensions Environmental requirements Clearance. When placing the instrument on a cart or bench, observing the following clearance requirements: Sides: 50 mm (2 in) Rear: 50 mm (2 in) Temperature.
Getting started Power the instrument on and off Power on The following procedures show you how to apply power to the instrument and turn it on and off. To turn apply power to the instrument and turn it on, do the following: CAUTION. The instrument can be damaged if the line selector switch on the rear panel is in the incorrect position when power is applied to the instrument.
Getting started Change instrument settings at power-on The default settings are restored when you power on the instrument. You can change the power-on settings to the last powered-off settings from the Utility menu using the following procedure. 1. 2. 3. Push the front-panel Utility button. Press System. Press Power On to select from the following the power on settings. Default restores the default settings when the instrument is powered on.
Getting started Erase waveforms from memory You can erase all waveforms from the instrument internal memory using the following procedure. 6 1. Push the Arb panel button. 2. Press Others. 3. Press File browse to enter the file system. 4. Use the general purpose knob to select INTER, and then press Enter. 5. Press Secure. 6. Press Select to erase all waveforms stored in internal memory, or press Cancel to cancel the operation.
Getting started Select a local language When you power on the instrument for the first time, English is selected by default. After you select a desired language, all the bezel menus, pop-up messages, and built-in help are displayed in the specified language. 1. 2. 3. Push the front-panel Utility button. Press System. Press Language to select the desired language. You can select from English, and Simplified Chinese.
Getting started Protect your instrument from misuse Check input and output connectors When connecting a cable, be sure to distinguish the input connector from the output connectors to avoid making wrong connection. 1. Locate the channel output on the front panel. Out1 means CH1 output and Out2 means CH2 output. 2. Locate the Ref Clk Out on the rear panel. 3. Locate the Ref Clk/Counter In, Fsk/Ext Trig In and Ext Mod In connectors on the rear panel. CAUTION.
Getting started General care Protect the instrument from adverse weather conditions. The instrument is not waterproof. Do not store or leave the instrument where the display will be exposed to direct sunlight for long periods of time. CAUTION. To avoid damage to the instrument, do not expose it to sprays, liquids, or solvents. Preventive maintenance Preventive maintenance mainly consists of periodic cleaning. Periodic cleaning reduces instrument breakdown and increases reliability.
Getting started Update your instrument firmware Use the front-panel USB connector to update your instrument firmware using a USB memory device. USB memory device requirements: This instrument supports a USB memory device with a FAT32 or FAT16 file system. If the USB memory device doesn't work properly, format it into the FAT32 or FAT16 format and try again; or try another USB memory device. CAUTION.
Getting started 4. Press System. 5. Press NextPage. 6. Press Update firmware to enter file system. NOTE: If the USB memory device is not inserted, the Update firmware is disabled. 7. Use the general purpose knob to select USBDEVICE, and then press Enter to enter USBDEVICE to browse files in the USB memory device. 8. Select the downloaded firmware file by rotating the general purpose knob. Then press Execute to update firmware. NOTE: The firmware file name is as follows: tekafg1022-Vx.x.x.
Getting started 9. The instrument displays a message telling you not to remove the USB device or power off the instrument until the update process is complete. The progress bar of the screen indicates the update process is in progress. NOTE: A firmware update usually takes approximately a minute. Do not remove the USB memory device during the update process. NOTE: If you accidentally removed the USB memory device during the update process, do not power off the instrument.
Getting started Equivalent output circuits The following illustrations show the equivalent output circuits: Legend for the following images: Output signals do not exceed ±10 V when the >50 Ω load impedance is used. A change to the load impedance (L) will affect the output window (maximum and minimum levels) for a sine waveform as follows.
Instrument front panel, interface, and rear panel Instrument front panel, interface, and rear panel Front panel overview The front panel is divided into easy-to-use functional areas. This section provides you with a quick overview of the front panel controls and the screen interface.
Instrument front panel, interface, and rear panel Parts of the screen interface 5 3 6 7 1 2 4 3 Item Description 1 Bezel menu: When you push a front panel button, the instrument displays the corresponding menu on the right side of the screen. The menu shows the options that are available when you press the unlabeled bezel buttons directly to the right of the screen. 2 Graph / waveform display area: This part of the main display area shows the signal as a graph or waveform.
Instrument front panel, interface, and rear panel Default setup When you want to restore the instrument settings to the default values, use the front-panel Utility button as follows: 1. Push the front-panel Utility button. 2. Press System. 3. Press Set_to Default. 4. Select one of the following: Select to recall the default settings; the instrument will display a 1 kHz frequency, 1 Vp-p amplitude sine waveform as the default setup. Cancel to cancel the recall and return to the previous menu.
Instrument front panel, interface, and rear panel Default settings Default settings Menu/System Default setting Output configuration (Start Phase only available in AFG1062) Function Sine Frequency 1.000 000 000 kHz Start phase 0° Amplitude 1.000 Vp-p Offset 0 mV Symmetry (Ramp) 50.00% Duty (Pulse) 50.00% Output units Vp-p Output impedance 50 Ω Sweep start frequency 100.000 Hz Sweep stop frequency 1.
Instrument front panel, interface, and rear panel Select waveform The instrument can provide five standard waveforms (Sine, Square, Ramp, Pulse and Noise). The instrument can also provide user-defined arbitrary waveforms. You can create, edit, and save your custom waveforms. You can also create modulated waveforms using the Mod panel button and then Mod bezel button menus. The following table shows the combination of modulation type and the shape of the output waveform.
Instrument front panel, interface, and rear panel Other available waveforms The following are examples of some other waveform types available in the Built-in Waveform menu.
Instrument front panel, interface, and rear panel Select run mode Push the Mod panel button, and then press one of the four Run Mode bezel buttons to select the instrument signal output method. Modulation, sweeping, and burst modes are only available in Ch1on the AFG1022. 20 1. The default Run Mode is Continuous. 2. To select a modulated waveform, press Mod. 3. To select a sweep waveform, press Sweep. See page 35 for details on sweeping waveforms. 4. To select a burst waveform, press Burst.
Instrument front panel, interface, and rear panel Adjust waveform parameters When you turn on your instrument, the default output signal is a 1 kHz sine waveform with an amplitude of 1 Vp-p. In the following example, you can change the frequency and amplitude of the original output signal. 1. To change frequency, press Freq/Period. Press it again to choose Period. The selected parameter will be highlighted with a white background.
Instrument front panel, interface, and rear panel Channel select 1. Channel output On/Off 1. 2. Push the front-panel Ch1/2 button to control the screen display. You can toggle between the two channels. To enable CH1 signal output, push the yellow front-panel On/Off button. To enable CH2 signal output, push the blue front-panel On/Off button. An LED turns on when the corresponding channel button is in the On state. Configure the signal with the outputs off.
Instrument front panel, interface, and rear panel Rear panel The following illustration shows the rear panel connectors for the instrument. 1 2 8 7 6 5 4 3 Item Description 1 Power input: This is where you attached an appropriate power cord to supply power to the instrument. 2 Fuse: Use the specified fuse according to the voltage scale. The rating of replaceable fuse: Voltage Fuse 100 - 120 V 220 - 240 V 250 V, F1AL 250 V, F0.5AL 3 Power line selector: Switch between 110 V / 220 V.
Operating basics Quick tutorial: How to select a waveform and adjust parameters If you are a beginning user, follow the steps described here to select a waveform and adjust waveform parameters. 1. Push the power button to turn on the instrument. 2. Connect the Channel Output of the instrument to an oscilloscope input with a BNC cable. 3. Select a waveform. 4. Enable the signal output. 5. Observe the waveform displayed on the oscilloscope screen. 6.
Operating basics Quick tutorial: How to generate a sine waveform If you are a beginning user, follow the steps described here to learn how to generate a continuous sine waveform. 1. Connect the power cord, and then push the front-panel power button to turn on the instrument. 2. Connect a BNC cable from the Channel Output of the arbitrary/function generator to an oscilloscope input connector. 3. Push the front-panel Sine button. The default run mode is Continuous after power- on.
Operating basics Quick tutorial: Instrument help system The instrument help system allows you to access information about specific menu items and instrument functions when you need help. Access and navigate this help system using front panel buttons and knob; and then follow the on-screen instructions as they appear. How to access the instrument help system Follow the steps described here to access the instrument help system. 1. 2. 3. 4. 5. 6.
Operating basics Generate a pulse waveform 1. Push the front-panel Pulse button to display the Pulse screen. NOTE: All of the following parameters can be adjusted using the numeric keypad or the general purpose knob. 2. Press Width/DutyCyc and adjust the parameter as needed. Adjust the other parameters in the same way.
Operating basics Generate a built-in waveform The instrument can output a built-in waveform that is stored in the internal memory. 1. Push the front-panel Arb button. 2. Adjust the parameters of arbitrary waveforms according to How to generate sine waveform (see page 25). Press Others. 3. 4. Press Built-in. The built-in waveform menu is displayed. 5. Press Common, Maths, Window or Others to enter built-in waveform detail list. You can browse different waveforms saved in the internal memory.
Operating basics Name Maths ExpRise ExpDecay Sinc Tan Cotan SquareRoot X^2 HaverSine Lorentz Ln(x) X^3 CauchyDistr BesselJ BesselY ErrorFunc Airy Windows Rectangle Gauss Hamming Hanning Bartlett Blackman Laylight Triangle Others DC Heart Round Chirp Rhombus Cardiac AFG1000 Series Quick Start User Manual Explanation Exponential rise function Exponential fall function Sinc function Tangent Cotangent Square root Square function HaverSine function Lorentz function Natural logarithm function Cubic function Ca
Operating basics Create/save a user-defined waveform You can create a user-defined waveform, and save it in the internal memory or in an external USB memory device. 30 1. Push the Arb panel button. 2. Press Others. 3. Press New to enter the Arb waveform edit menu. 4. Press Points to set the number of waveform points to be edited. Use the general purpose knob to adjust parameters directly or use the numeric keypad to adjust and then choose the proper unit. X1, X1000. 5.
Operating basics 10. To save the waveform to internal memory, use the general purpose knob to select INTER and then press Enter. Use the front panel general purpose knob to select a USER file. Press Save. NOTE: The file size is displayed on the right side. 0B indicates the file is empty. EditMemory is a temporary data storage space for creating, saving, editing, or recalling a arbitrary waveform.
Operating basics Recall a user-defined waveform You can recall an user-defined waveform that is stored in the internal memory or on a USB memory device. 1. Push the Arb panel button. 2. Press Others. 3. Press File browse to enter the file system. 4. To recall a waveform in the internal memory, use the general purpose knob to select INTER, and then press Enter. Use the front panel general purpose knob to select a file. Press CallOut. If a prompt "File read successful.
Operating basics 6. To copy a waveform file from the USB memory device to the internal memory: Follow the previous steps to recall the waveform from the USB memory device. Press Back to return to the upper directory. In the interface of selecting memory, use the general purpose knob to select INTER and then press Enter. Use the front panel general purpose knob to select a USER file. Press Save. NOTE: On the Arb waveform interface, Shape shows the memory location of current waveform.
Operating basics Generate noise 1. Push the front-panel Noise waveform button. 2. Use the general purpose knob or the numeric keypad to adjust Ampl, High, Offset and Low. NOTE: You cannot modulate, sweep, or burst a noise waveform. Generate DC 1. Push the front-panel Arb button. 2. Press Others. 3. Press Built-in. 4. Press Others. 5. Select DC, press Select to output a DC waveform. NOTE: You cannot modulate, sweep, or burst a DC waveform.
Operating basics Sweep a waveform The Sweep outputs a waveform with the output signal frequency varying linearly or logarithmically. Start frequency Stop frequency Sweep time Center frequency Frequency span To set sweep parameters, do the following: 1. 2. Select a waveform among sine, square, or ramp, and then push the front-panel Mod button. Press Sweep to enter sweep menu.
Operating basics 3. 4. 5. 6. 7. 8. Press Sweep Time to set the time between the start and stop frequency. Press Linear/Log to select the sweep type. Press StartFreq/ CtrFreq. Use the general purpose knob or the numeric keypad to set the start or the center frequency. Press StopFreq/ FreqSpan. Use the general purpose knob or the numeric keypad to set the stop frequency and the frequency span. Press NextPage to enter next submenu. Press Trigger to choose a source between internal, external, and manual.
Operating basics Modulate a waveform To output an AM waveform 1. Select a waveform and then push the front-panel Mod button. In this example, use the sine waveform as an output waveform (carrier waveform). 2. Press Mod. NOTE: You can only choose sine, square, ramp, or arb as a carrier waveform. 3. Press Type to display the modulation selection menu. Select AM as the modulation type. 4. Press Source to select Internal or External.
Operating basics To output an FM waveform 1. 2. Select a waveform and then push the front-panel Mod button. In this example, use the sine waveform as an output waveform (carrier waveform). Press Mod. NOTE: You can only choose sine, square, ramp, or arb as a carrier waveform. 3. Press Type to display the modulation selection menu. Select FM as the modulation type. 4. 5. 6. 7. Press Source to select Internal or External.
Operating basics To output a PM waveform 1. 2. Select a waveform and then push the front-panel Mod button. In this example, use the sine waveform as an output waveform (carrier waveform). Press Mod. NOTE: You can only choose sine, square, ramp, or arb as a carrier waveform. 3. Press Type to display the modulation selection menu. Select PM as the modulation type. 4. Press Source to select Internal or External.
Operating basics Modulation waveform facts and formulas You can select an internal or external signal as an source. You can select a modulation shape from the internal memory or USB memory device. You can only select sine, square, ramp, or arb as a carrier waveform.
Operating basics To output a PWM waveform (AFG1062 only) 1. 2. Select pulse waveform and then push the front-panel Mod button. Press Mod. NOTE: You can only choose pulse as a carrier waveform. The frequency of the carrier waveform can only be up to 1 MHz. 3. Press Type to display the modulation selection menu. Select PWM as the modulation type. 4. Press Source to select Internal or External.
Operating basics To output an FSK waveform Frequency Shift Keying modulation is a modulation technique that shifts the output signal frequency between two frequencies: the carrier frequency and Hop frequency. The frequency by which the output frequency switch from each other is determined by the Internal Frequency generator or the Signal Voltage Level offered by the Fsk/Ext Trig In connector in the rear panel. 1. 2. Select a waveform and then push the front-panel Mod button.
Operating basics To output an ASK waveform (AFG1062 only) Amplitude Shift Keying modulation is a modulation technique that shifts the output signal amplitude between two amplitudes: the carrier amplitude and modulating amplitude. 1. 2. Select a waveform and then push the front-panel Mod button. In this example, use the sine waveform as an output waveform (carrier waveform). Press Mod. NOTE: You can only choose sine, square, ramp, or arb as a carrier waveform. 3.
Operating basics To output a PSK waveform (AFG1062 only) Phase Shift Keying modulation is a modulation technique that shifts the output signal phase between two phases: the carrier phase and modulating phase. 1. 2. Select a waveform and then push the front-panel Mod button. In this example, use the sine waveform as an output waveform (carrier waveform). Press Mod. NOTE: You can only choose sine, square, ramp, or arb as a carrier waveform. 3. Press Type to display the modulation selection menu.
Operating basics Generate a burst waveform The instrument can output a burst using standard waveforms such as sine, square, ramp, and pulse, or arbitrary waveforms (You cannot select noise). The instrument allows you to use the following two types of burst mode: Triggered burst mode.
Operating basics 6. Press #Cycles/Infinite to select #Cycles. Use the general purpose knob or the numeric keypad to set the number of waveform cycles (from 1 to 1,000,000) in each burst. If you select Infinite, then a continuous waveform will be generated at one trigger event and will not stop until another trigger event happens (the general purpose knob on the front panel is pushed). 1. Select a waveform and then push the front-panel Mod button.
Operating basics Copy channel setting The instrument can copy the parameters of one channel to the other. If frequency or amplitude of both channels are locked, when you change the parameter of either channel, the parameter of the other channel is set to the same value. 1. Push the Inter CH panel button to display the submenu. 2. Press CH2 To_CH1.to copy parameters of CH2 to CH1. 3. Press CH1 To_CH2 to copy parameters of CH1 to CH2. 4. Press FreqLock to toggle between On and Off.
Operating basics USB memory device A USB memory connector, located on the front panel of the instrument, allows you to perform the following tasks: Save user-defined waveforms to a USB memory device (See page 30, Create/save a user-defined waveform.) or recall waveform from a USB memory device (See page 32, Recall a user-defined waveform.) Save or recall instrument setups to/from files on a USB memory device (See page 52, Save/recall instrument setup.
Operating basics Utility menu Push the front-panel Utility button to display the Utility menu. The Utility menu provides access to utilities used by the instrument such as system related menus, and local language preferences. 1. Push the front-panel Utility button to display the Utility menu which has the following options. 2. Display Setup related menus, see step 6. 3. Counter related menus, see step 9. 4. Output Setup related menus, see step 14. 5. System setup related menus, see step 15. 6.
Operating basics 10. Press Counter to display the Counter submenu. Connect the signal to the connector [Ref Clk/Counter In] on the rear panel. Press Settings to display the submenu. 11. Press Coupling to select AC or DC as coupling mode. 12. Press Sens to select Low, Middle and High. For low amplitude signal, the “Middle” or “High” sensitivity should be used. For low frequency signal with high amplitude and slower rising edge, low sensitivity is a better choice. 13. Press HFR to select ON or OFF.
Operating basics 15. Press Output Setup to set output load value. Press CH1Load or CH2Load to toggle 50 ohm and High Z. At 50 ohm status, use the general purpose knob to adjust the value on the current cursor and use ◄ / ► to move cursor. Use the numeric keypad to adjust the parameters and then choose proper unit. The load range is 1 ohm to 10 kohm. NOTE: Please setup the correct load for right application. 16. Press System to display the submenu.
Operating basics Save/recall instrument setup You can save setups of the instrument as files in the internal memory or on an external USB memory device. You can save up to 32 instrument setups in the instrument internal memory. To save more setups, use a USB memory device. Setup files saved to a USB memory device are saved with the extension TFS. You can recall the stored setups from a file in the internal memory or in a USB memory device. 1. Push the front-panel Utility button. 2. Press Setup. 3.
Operating basics 7. To save the setup onto a USB memory device, insert a USB memory device into the port on the front panel. Press Memory to select External. 8. The instrument lists a directory of the folders and files on the USB memory device. Select a folder or file using the knob to scroll up and down the list. To enter the current folder, press Enter. To return to the upper directory, press Back. Press Save Setup; the setup will be saved in current directory. 9. An input keyboard will appear.
Application examples This section contains the application examples. These simplified examples give you ideas for using it to solve your own test problems. Output the waveform created with ArbExpress ArbExpress is a Windows-based software for creating and editing waveforms for Tektronix AWG and AFG instruments. For more information on ArbExpress, refer to the ArbExpress online help. This example describes how to save the waveform created with ArbExpress to the instrument. Create a waveform 1.
Application examples 6. Select a folder or file using the knob. Select the file with the .tfw suffix, and then press CallOut. A prompt "File read successful." appears. 7. Press Back to return to the upper directory. In the interface of selecting memory, use the general purpose knob to select INTER and then press Enter. Use the general purpose knob to select a USER file. Press Save to copy the waveform file to the internal memory. 8. Press CallOut. A prompt "File read successful." appears.
Appendix A: Line fuse replacement The line fuse is in the plastic fuse box below the power line input on the rear panel. WARNING. Disconnect the line cord at the rear panel and remove all test leads connected to the instrument before replacing the line fuse. Failure to do so could expose the operator to hazardous voltages that could result in personal injury or death. Use only the correct fuse type. Failure to do so could result in personal injury or instrument damage.
Index A Amplitude, To change the units, 21 Application examples Frequency modulation, 37 Arb button (front panel), 14 Recalling arbitrary waveforms, 32 B Beeper Utility menu, 49 Bezel menu screen interface, 15 Burst waveform generate, 45 C Center frequency sweep waveform, 35 Channel output On/Off, 22 Utility menu, 49 Language selection, 7 D F Firmware updates, 10 Formulas modulation waveforms, 40 Frequency span sweep waveform, 35 Front panel, 14 Fsk/Ext Trig In connector rear panel, 23 G N H P
Index R Rear panel, 23 Recalling waveform data, 32 Saving waveform data, 30 Run Mode, 20 S Save a waveform Save arbitrary waveform, 30 Recall arbitrary waveform, 32 Save/Recall instrument setup, 52 Screen interface, 15 Screen saver Utility menu, 49 Secure function, 6 Selecting a local language, 7 Side-menu buttons, 15 Sin(x)/x standard waveform, 19 Soft keypad, 15 Standard accessories, 2 Standard waveforms, 18 Start frequency sweep waveform, 35 Stop frequency sweep waveform, 35 Sweep, 35 Sweep time swee
