GDS-2000 Series - TEquipment.NET
Contents
1. 2 ene cs s _ ee s M s pi anuanu 2 see 3 Connect GLA and demo board as in the following diagram Connect both 2 GND pins for secure grounding DO D1 D2D3 D4D5D6D7 VDD IOAIOBIOCGND GND oa Dee cece ec 1 1 i Ifi 1 I I I l l l l i Se ag oy a alo mn ees Ss a x J m NN o o Ae III l l O oaoa i Oo 2276 7266 BO B1 B2 B3 B4 B5 B6 B7 ROTOSO CLK GND 2 2 D A gt Z 36 GW INSTEK ABGLA 1000 ADVANCED 4 Open the GLA pplication software a Or ihe sisi a e fas we tem f fer Ms wee fo teow taza mno rate Stee ie ote Taaie Seow hate ime borma mo too sa sie i g on nF r ga 5 Set the memory size to 128k tie 120 6 Group BO B7 into a bus by highlighting BO B7 and pressing Ctrl key G or calling right click context menu ge ini meh a ci f m ak a a Group into Bus Format Row 7 Click the start icon or press F5 and capture the signal once p 8 Enter 50us in the display range and observe the data Make sure Bus1 shows the accumulating sum of BO B7 xac ooo h OE OM oF Ae isa a freee 9 Continue with each demonstration Note If you have not installed GLA application software yet refer t2. Average Acquire i ES 2 Adjust the probe to make the waveform edge flat we em Pe Under compensation Normal Over compensation 3 Press the Auto Set key and view the compensated waveform Auto Set Undo Autoset 4 Go to the next step 16 GW INSTEK 2BGDS 2000 TUTORIAL 7 Save Data Using Hardcopy Function Here you will learn how to save the waveform data waveform image and panel setup into a USB flash drive 1 Connect a USB flash drive to the front panel USB port 2 Press the Utility key F1 Hardcopy F1 Save All m Hardcopy Function 3 To invert the color of waveform image file press F2 Ink Saver Ink Saver Off m Invert nyer Off E of EL imi i BW Limit 6 s MAIN B25aus Boul EDGE 7 999 978Hz CHi 566mV CH2 5 GmU CH3 56 mYU CH4 5a0mV Ink Saver Off Ink Saver On 4 Press the Hardcopy key The following data will be saved in a folder ALL0000 The following is the folder contents Waveform image AQOQ00DS bmp Waveform data AO000xxx csv GDS 2000 setup data AOO00DS set Hardcopy 5 The GDS 2000 tutorial is completed For advanced learning read the following GDS 2000 Advanced chapter Note For data saving details see Save Recall in the user manual 17 GW INSTEK GDS 2000 Series Training Manual G DS 2000 ADVANCED Using the demo board designed specially for GDS 2000 you can verify and observe vario
3. CH1 s pa SS CH1 Scale 5us div 100mV div If CH1 is still unstable increase the trigger level 1 At default the memory is in short mode Press the Run Stop key then use the TIME DIV knob to zoom the waveform up to 250ns div Observe that the waveform edge appears flat Press the Run Stop key again to go back to Run mode TIME DIV 4 POSITION gt Normal Run Stop C Peak Detect Run Stop sae 2 Press the Acquisition key F5 Mem Leng to select long memory Then press the Run Stop key and zoom the waveform up to 100ns div Observe that the hidden glitch appears Mem Leng Acquire FE aq 12500 TIME DIV n Peak lt POSITION gt a f Average Run Stop C C Demonstration completed 27 GW INSTEK GDS 2000 Series Training Manual Peak Detection Background The peak detection mode acquires the max and min amplitude in each signal acquisition It is useful for catching abnormal glitches in the signal Connection CH1 s pi E CH1 Scale 10us div 100mV div If CH1 is still unstable increase the trigger level 1 A supposedly pure square waveform appears on the display in the default Normal acquisition mode Coupling Invert Off E 2 Press the Acquire key F2 and select Peak detect acquisition mode The previously hidden spike noise becomes visible Peak Detect Average Demonstration completed 28 GW INST
4. GDS 2000 rear panel USB connector Counter Logic Analyzer i s ins Pulse Output Trigger Signal Logic Analyzer re Mee Frequency Knob Peak Detection Sf Te hi eee Sine Wave Ground Plane Ground Plane Delay Ripple Roll Scan FM Long Memory X Y Mode Sine Wave Specification Signal output e 10 types for oscilloscope e 5 types for logic analyzer 4 Connect the probes between GDS 2000 CH1 amp 2 and the Sine Signal details are listed in page45 wave terminal on the demo board CH1 CH2 Power supply 5V DC USB or auxiliary power input FM Sin 17 C C 17 Accessory e USB cable typeA typeB x 1 A Make sure the ground clips are connected to the ground plane 19 20 GW INSTEK 3BGDS 2000 ADVANCED GW INSTEK GDS 2000 Series Training Manual 5 Press the Save Recall key F1 to reset the system 1GSa Js amp Sin gl e Shot SavelRecall gt D Setup 6 Press the CH2 key to activate CH2 7 Press the Display key F1 Vector to select vector drawing Connection CH1 E A o Background By using a very fast sampling rate combined with single shot trigger mode you can accurately reconstruct weak signals which are buried in larger waveform Here you can observe a tiny pulse sitting on top of PECL 3 3V DC signal BNC connector on the demo board 8 Press the Auto Set key GDS 2000 automatically adjusts t
5. are sine wave oriented are fixed GW INSTEK 5 BAPPENDIX GW INSTEK GDS 2000 Series Training Manual Demo Board Signal List Signals for logic analyzers The following shows the lists of waveforms generated by the demo board Signal name Icon Description IIC SDA We Type PC bus Signals for oscilloscopes SCL I O Output Signal name Icon Descriptions HART Tx H UART VBE VARTE Sine Sin Type sine wave Rx VO Out Frequency 10Hz 3MHz SPI SCK Type SPI bus FM FM Type sine wave with frequency SS I O Output modulation MOSI SPI X Y X Y Type sine waves with phase T differences MISO Sin LA_O LA_7 LAO Type Counter signal Roll Scan AN Type triangle wave LA7 I O Output T_O Type Tri ignal Long memory Type square wave with glitches 7 T0 Ype DEES signa ype sq 8 I O Input Type ripple counter wave Gnd Gnd Type Ground connector Da Hl Overshoot Type square wave with overshoot Pulse width Type multiple pulse waves 205 Westwood Ave ER e iii Long Branch NJ 07740 e Frequency 10ns 25ms me ent 1 87 7 742 TEST 8378 Ins pulse Type PECL signal 3 3V DC NET Fax 732 222 7088 1GSa s amp Single Noe 2 stn olin peee 3 salesteam Tequipment NET shot trigger 45 46
6. practices that CAUTION could result in damage to GDS 2000 or to other properties A N Attention Refer to the Manual GWINSTEK GDS 2000 Series Training Manual Safety Guidelines General e Do not place any heavy object on the instruments Guideline e Avoid severe impacts or rough handling that leads to T damaging the instruments CAUTION e Do not discharge static electricity to the instruments e Use only mating connectors not bare wires for the terminals e Do not disassemble the instruments unless you are qualified Power Supply e Input voltage DC 5V N e The power supply voltage should not fluctuate more WARNING than 10 Operation e Location Indoor no direct sunlight dust free almost Environment non conductive pollution Note below e Relative Humidity lt 80 e Altitude lt 2000m e Temperature 0 C to 50 C Pollution Degree EN 61010 1 2001 specifies the pollution degrees and their requirements as follows GDS 2000 and the Training Kit fall under degree 2 Pollution refers to addition of foreign matter solid liquid or gaseous ionized gases that may produce a reduction of dielectric strength or surface resistivity e Pollution degree 1 No pollution or only dry non conductive pollution occurs The pollution has no influence e Pollution degree 2 Normally only non conductive pollution occurs Occasionally however a temporary conductivity caused by condensation must be expected e
7. 2 60MHz 2 GDS 2064 60MHz 4 GDS 2102 100MHz 2 GDS 2104 100MHz 4 GDS 2202 200MHz 2 GDS 2204 200MHz 4 Main Features Performance 1GS S real time sampling rate e 25k points record length memory e Minimum 10ns peak detection Functionality e 5 6 in color TFT display e Battery operation option e Maximum 27 types automatic measurement e FFT analysis e Edge Video Pulse width Delay trigger e Program and play mode e Color printout of display contents e Go No Go test e Built in Help Interface e USB host for printers and storage devices e USB RS 232C GPIB option for remote control e Calibration probe compensation output e External trigger input for 2CH model only GW INSTEK GDS 2000 Series Training Manual Panel overview 4 channel LCD display F1 F5 Variable ON STBY Main keys Trigger Horizontal key amp knob key front panel l Horizontal Position knob Time Div knob Vertical Position knob a Channel GWINSTEK eDs 2104 key Probe comp Menu Ground Volts Div output On Off key port key terminal input knob 2 channel LCD display F1 F5 ON STBY Vertical Math Main Horizontal Variable Position key keys Position knob front panel Trigger knob Trigger menu key Horizontal menu key A Time Div knob Probe comp Menu USB Volts Div CH1 2 Ground CH1 2 Ext trigger output On Off key port knob input terminal key input Powe
8. ADVANCED Pulse Width Trigger Background The pulse width trigger allows observing pulse signals in clear manner even when several pulse widths are mixed in a single waveform Connection CH1 T gm th CH1 Scale 250ns div 200mV div if CH1 is still unstable increase the trigger level 1 The input signal contains several pulses with different width In the default edge trigger mode all pulses are mixed together oto n Coupling 2 Press the trigger MENU key F1 Type and select Pulse Press F4 When select lt and set the pulse width to 40ns The narrowest pulse 20ns appears on the display Type MENU Gp When lt VARIABLE E o When lt 40 0ns Slope Coupling 3 Repeat the above step and observe the following pulses amp 200ns 200ns amp 500ns 500ns gt amp 700ns lus Demonstration completed 31 Roll Scan Mode GW INSTEK GDS 2000 Series Training Manual Background For observation of slow signal lt 20Hz scan mode and roll mode are available each with its own merit Connection CH1 C CH1 Scale 250ms div 20mV div 1 The CH1 triangle waveform will be displayed in SCAN mode running from left to right In this mode old part of the waveform is gradually replaced by new data Oma He otvo Hain Window Window Zoom Press the HORIMENU key F4 Roll to get a more complete viewi
9. Binary Hexadecimal C Decimal 3 Click the Decimal radio button enter a number between 0 and 254 in Value corner and press OK Value fo Decimal J o ok Decimal 50 selected 4 Click the Repetitive Run icon or press F6 to acquire data continuously GLA constantly triggers and the B0 B7 bus shows the setup value 0x32 decimal 50 in the below figure HE 2 00us 1 00us I I I I I 1 00u 2 00u I I I I I 5 On GDS 2000 Press the Save Recall key F1 to reset the system Default Save Recall 6 Press the CH2 key to activate CH2 7 Press the Display key F1 Vector to select vector drawing Type 8 Separate CH1 and CH2 wave vertically for 3 divs using the vertical position knobs 39 GW INSTEK GDS 2000 Series Training Manual POSITION E a a DISPLAY 3 H 3 J f p H i s i bic es Ge E E E E nas E E E E N E E EE Bean aa iE way ORR R O ARR a A a E ea e caa aa a a aaa a a a a a e a a a a a a a ale La 4 t 4 thet 4 thet thet 4 thet 4 4 ttad Refresh Contrast i 5 H i SE ee 9 Set the scales as follows Horizontal 10ms Vertical CH1 200mV div CH2 200mV div 10 Press the Acquire key F5 Mem Leng and select long memory Acquire ery FS 11 Press the trigger MENU key F2 Source and select CH2 Press F3 Mode and select Normal mode If the waveform does not appear increas
10. Digital Storage Oscilloscope Logic Analyzer GDS 2000 Series amp GLA 1000 Series Training MANUAL GW INSTEK PART NO K ISO 9001 CERTIFIED MANUFACTURER GW INSTEK 205 Westwood Ave om Long Branch NJ 07740 4 1 87 7 742 TEST 8378 equipment Fax 732 222 7088 salesteam Tequipment NET This manual contains proprietary information which is protected by copyrights All rights are reserved No part of this manual may be photocopied reproduced or translated to another language without prior written consent of Good Will company The information in this manual was correct at the time of printing However Good Will continues to improve products and reserves the rights to change specification equipment and maintenance procedures at any time without notice Good Will Instrument Co Ltd No 7 1 Jhongsing Rd Tucheng City Taipei County 236 Taiwan GW INSTEK TABLE OF CONTENTS GW INSTEK GDS 2000 Series Training Manual DAC SU aU Oi ssis 38 IC Bus AnalySis ccccccccccesssseeeeeeeeees 4 Table of Contents spi Bus Anai 2 UART PAU SI Ses detoonactanceacicaecen tetera 43 SAFETY INSTRUC HON spvercarceeseroccanguaeninasaenancesolens 5 APRENDI cenie E E enya nianueen ven 44 GVERVIE Werer rn E E EE ee ee ere 7 Sine Wave Frequency Adjustment 44 Demo Board Signal List ceee ee 45 Pp 3 2000 TUTORA D recrea urere en E 8 GDS 2000 OVErVIEW noeruiscnairiireriri neei 9 1 Power up GDS 2000 o 1 2 Set up t
11. EK 3BGDS 2000 ADVANCED Peak Detection Long Memory Background By combining Long memory and Peak detect functionalities catching and observing details of single shot signals become much easier Connection CH1 CH2 EMS E pe Yee Be C CH1 CH2 Scale 5ms div 100mV div 1 Verify that in the default normal acquisition mode waveforms are not clearly viewable Coupling 2 Press the Acquire key F2 Peak Detect to select the peak detect mode The waveform outline becomes visible Peak Acquire i Ge Detect Average 3 Press the Run Stop key to stop acquisition then use the TIME DIV knob to zoom up to 500us div Use the POSITION knob to move the waveform positions You can not see enough details due to short memory length 500 data points 29 GWINSTEK GDS 2000 Series Training Manual TIME DIV Run Stop lt q POSITION gt N i orma Peak Detect Average 4 Set the horizontal scale back to 5ms div and press the Run Stop key again to re start capturing the waveform Run Stop TIME DIV 5 Press F5 Mem Leng and select long memory 12500 Mem Leng Mem Leng on tena F s gt on Gary 6 Press the Run Stop key to stop the waveform and view the close up again 500us div this time with more details TIME DIV lt q POSITION gt Normal Run Stop C Peak Detect Average Demonstration completed 30 GW INSTEK 3BGDS 2000
12. Pollution degree 3 Conductive pollution occurs or dry non conductive pollution occurs which becomes conductive due to condensation which is expected In such conditions equipment is normally protected against exposure to direct sunlight precipitation and full wind pressure but neither temperature nor humidity is controlled Storage e Location Indoor environment e Relative Humidity lt 85 e Temperature 0 C to 50 C GW INSTEK 1BOVERVIEW Overvi EW What this document is about This manual describes tutorials of GDS 2000 digital storage oscilloscope and demonstrations of advanced features in GDS 2000 and GLA series logic analyzers using the demo board The following contents are included e GDS 2000 tutorial This chapter teaches you basic functionalities of GDS 2000 in a step by step manner from powering up to saving files e GDS 2000 advanced This chapter introduces how to demonstrate GDS 2000 advanced features using the demo board e GLA 1000 advanced This chapter introduces how to demonstrate advanced features of GLA series logic analyzers For more details about GDS 2000 and GLA 1000 series refer to the user manuals Whom this document is for This document is written for novice and intermediate users of oscilloscope The following is the list of typical audience e Students who want to learn the basic oscilloscope operation e Sales representatives who need to introduce advanced GDS 2000 GLA feat
13. e the Trigger level Source Mode Mode MENU CH2 cB cE Normal F3 12 You can see the ripple waveform which is an analog representation of the ripple counter signals Using the trigger output from GLA 1000 the waveform is triggered at the specified value decimal 50 in the below example as specified above oe Sloper Coupling Demonstration completed 40 GW INSTEK ABGLA 1000 ADVANCED IC Bus Analysis Background This function analyzes the I2C Inter Integrated Circuit bus protocol by extracting the attributes from the captured data Connection a 14 AO A1 S yO X X 1 Click the start icon or press F5 to capture the signal b 2 Click the I2C analysis icon The setup dialog window appears TE SPECIAL BUS IIC SETUP L Choose Channel Bus Name fc DATA SDA fao v al Jat ind mBus Setting TIC Bus Text C Bn C Dec Hex ASCII Customize Bus Color Data Address Start Bit Read Bit Write Bit Ack NoAck Stop Bit Start Cancel Default 4 A new I2C analysis bus shows results with bus descriptions 1 DATA oe SDAD Co g SOLEAT i ADDRESS 0X06 Demonstration completed 41 GW INSTEK GDS 2000 Series Training Manual SPI Bus Analysis Background This function analyzes the SPI Serial Peripheral Interface bus prot
14. ee Quick Reference Default Settings in GDS 2000 user manual e You can also activate the channel manually by pressing the CH key e Ifthe display is too dark or bright press the Display key F4 Contrast and use the VARIABLE knob to adjust VARIABLE DN _ J Display the contrast 12 GW INSTEK 2BGDS 2000 TUTORIAL 3 Connect and View a Waveform Here you will learn how to connect the probe and automatically acusi the ee scale 1 Select x10 as the sensitivity on the probe to limit the input signal amplitude x1 X10 Epea 2 Connect the probe between Channell input terminal and probe compensation output terminal 3 Press the Auto Set key The probe compensation signal waveform appears on the display Undo Autoset 4 Go to the next step Note If you want to undo Auto Set press F5 Undo Autoset while the menu is available approximately 5 seconds 13 GW INSTEK GDS 2000 Series Training Manual 4 Measure the Waveform Here you will learn how to automatically measure the voltage oe and ee of the ee waveform 1 Press the Measure key GDS 2000 automatically measures five major attributes of input signal and displays them in the menu Measure 7 Vpp 1 268mU 2 chan of 2 chan off pee chan off Rise Time 1 7 686us 2 chan off 2 Press the Measure key again then F1 CH1 The voltage frequency and timing of CH1 waveform appear o
15. er according to page36 2 Pick up the demonstration topic and run it Note The demonstration is applicable to GLA series firmware version 2 03 or later 34 GW INSTEK ABGLA 1000 ADVANCED GLA 1000 Overview GLA 1000 series are PC based portable generic purpose digital logic analyzer aimed at product design and educational field Series lineup Model Channel amp Memory Model Channel amp Memory GLA 1016 16 256kbits per CH GLA 1032 32 128kbits per CH GLA 1132 32 1Mbits per CH Panel overview Input Start Run Read Trigger Power Connector Switch LED LED LED LED i fi A Sf s Power Switch _ USB Connector Main Features Characteristics e ILOOMHz full bandwidth e External clock range 0 001Hz 100MHz e Max x255 ratio data compression e Signal characteristic filtering Enable function e 2C RS 232C SPI waveform analyzer e Waveform statistics function e PC operation GUI environment USB bus power 35 GWINSTEK GDS 2000 Series Training Manual GLA 1000 Demonstration Setup Follow the below steps to properly power up and connect the demo board This section assumes you already have GLA 1000 application software together with GLA driver installed in your PC 1 Connect GLA to the PC press the power switch to power it up The POWER LED on GLA turns on 2 The demo board can be connected to GDS 2000 rear panel USB connector or to the PC
16. er level 1 Press the Measurement key The menu shows five types of measurement results Measure Rise Time 1 4 586ns 2 2 Press F1 turn the VARIABLE knob until the measurement item F3 changes to ROVShoot Rise overshoot then press F5 Previous Menu The F1 menu reflects the new measurement VARIABLE Vpp 1 344mV aoe 2 24 0mV 2 6 56m Voltage GE Previous Gp ROVShoot Menu ar Rise Time 1 4 521ins s Fa 3 Repeat the same step with F2 this time FOV Fall overshoot Demonstration completed 25 GWINSTEK GDS 2000 Series Training Manual Frequency Modulation FM Background Observing an FM signal works best when short memory mode is selected due to faster update Connection CH1 on fh CH1 Scale lus div 50mV div 1 Move the CH1 waveform position to the center of the display both horizontally and vertically for clear view Normal i fF ae Detect 2 To get wider view press the Menu On Off key The menu disappears and the horizontal range expands to 12div Note If the FM waveform is not clearly visible make sure the memory Acquisition key F5 is set to 500 Demonstration completed 26 GW INSTEK 3BGDS 2000 ADVANCED Long Memory Background The long memory mode gathers more data for each acquisition This mode is useful for observing details of single shot signal like spike noise Connection
17. he Environment 08 12 3 Connect and View a Waveform 13 4 Measure the Waveform 0 0068 14 5 Adjust Waveform Scale and Position 15 6 Compensate the Probe 00608 16 7 Save Data Using Hardcopy Function 17 DS 2000 ADV AN CED cp toncasinsneg rer ccetnessaoateconnas 18 Demo Board Overview eseese 19 GDS 2000 Demonstration Setup 20 1GSa s amp Single Shot n se 22 Automatic Measurement Delay 24 Automatic Measurement Overshoot 25 Frequency Modulation FM 26 OT INCI Ole aeri aE 27 Peak Detection cccssccsccsscescescesceeees 28 Peak Detection Long Memory 29 Pulse Width Trigger 31 Roll 7 Scan Mod sessnirsisssesscuiiiiseiss 32 XY MOdE accccussiereaceeceanmenpactseassenecaanaeee 33 GLA 1000 ADVANCED o sssssssesssessssesesesessrsesesssresesessssesees 34 GLA 1000 Overview eee eeeeeeee eee 35 GLA 1000 Demonstration Setup 36 GW INSTEK OBSAFETY INSTRUCTION SAFETY INSTRUCTION This chapter contains important safety instructions that you must follow when operating or storing the demo board designed for GDS 2000 and GLA 1000 For safety instructions regarding GDS and GLA refer to their user manuals Safety Symbols These safety symbols may appear in this manual Warning Identifies conditions or practices that WARNING could result in injury or loss of life A N Caution Identifies conditions or
18. he This demo uses a BNC to BNC cable instead of probe horizontal vertical and trigger setting CH1 Scale 25ns div 50mV div 1GSa s Now the display should look like the following CH1 and CH2 1 Press the CH2 key twice and turn it OFF showing 1kHz sine wave on top and bottom half of the display cue CH2 respectively 2 Press the CH1 key F1 Coupling and select AC A pulse signal becomes visible on the display cut Coupling ee ee MEE C i Ea pling ga Invert Adjust the CH1 vertical position DFE if necessary BW Limit POSITION Off E aa J Continue with each demonstration o 3 Press the Trigger MENU key F3 Mode repeatedly and select Single trigger mode Note If one or more of the demonstrations do not work vee e oqe properly reset the system according to the above steps T GE 4 Press the Run Stop key to initiate a single trigger A pulse signal becomes visible in a clear manner 21 22 GW INSTEK 3BGDS 2000 ADVANCED GW INSTEK GDS 2000 Series Training Manual Run Stop Source CH 1 Automatic Measurement Delay Background Using the automatic measurement function you can easily measure the waveform including the time distance between two waveforms Single Slope Coupling Connection CH1 Di n CH2 g Bin a 5 Press the Run Stop key several times and observe that the pulse signal amplitude and width remains s
19. n the ate Measure o Ea 3 Press F5 OFF to cancel measurement and reset the display 4 Go to the next step Note You can also measure the waveform using the Cursor function For details see Measurement Automatic Measurement and Cursor Measurement in the user manual 14 GW INSTEK 2BGDS 2000 TUTORIAL 5 Adjust Waveform Scale and Position Here you will learn how to manually change the horizontal and vertical scale and move the waveform position TA 1 Turn the TIME DIV knob clockwise by one TIME DIV notch to change the horizontal scale to N 100us div 2 Turn the horizontal POSITION knob counter ON clockwise until the waveform edge moves lt POSITION gt three divisions to the left a 3 Turn the Channell VOLTS DIV knob VOLTS DIV clockwise by one notch to change the vertical lt scale to 20mV div i 4 Turn the vertical POSITION knob counter EON clockwise until the waveform edge is located at POSITION two divisions above the center N A Normal Peak Detect Average 5 Go to the next step Note For details see Configuration Horizontal View and Vertical View in the user manual 15 GW INSTEK GDS 2000 Series Training Manual 6 Compensate the Probe Here you will learn how to adjust probe sensitivity by compensating overshoot or undershoot 1 Press the Acquire key F3 Average Press F3 repeatedly until the average number becomes 16
20. ng of the waveform In the Roll mode the waveform moves from right to left Window E Window Zoom Demonstration completed GW INSTEK 3BGDS 2000 ADVANCED X Y Mode Background The X Y mode views the relationship between the amplitudes of two independent signals The X Y mode is useful for viewing phase difference Lissajous patterns or component characteristics Connection X Y CH1 E 5 CH2 8 sin Sin Bsn th th CH1 CH2 Scale 500us div 50mV div ils Two sine waves ap pear in different phase gar Taa Vectors 2 Press the HoriMenu key F5 XY to select the X Y mode You can see the phase relationship CH1 horizontal CH2 vertical Note CH1 position knob moves the shape horizontally CH2 position knob moves the shape vertically Demonstration completed 33 GW INSTEK GDS 2000 Series Training Manual G LA 1000 ADVANCED Using the demo board you can verify the advanced bus analysis feature in GLA series By using GDS 2000 and GLA series together you can also observe how to trigger on ripple counter Required tools e Demo board x 1 e GLA 1000 series x 1 e USB type A type B x1 cable for demo board power supply e GDS 2000 x 1 only for DAC simulation demo e Standard oscilloscope probe x 1 only for DAC simulation demo Demonstration type e DAC simulation e PC bus analysis e SPI bus analysis e UART analysis How to run demonstration 1 Setup the demo board and logic analyz
21. o Installation in GLA user manual 37 GWINSTEK GDS 2000 Series Training Manual DAC Simulation This demonstration requires GDS 2000 Background Using GLA 1000 and GDS 2000 together you can simulate and observe digital to analog conversion DAC GLA 1000 generates a series of ripple counter signals while GDS 2000 shows their analog representation GLA Connection GND i l pus OL LW 9 Y1 G y1 v YI evi AA LVI 0 Y1 3 pup XY XL Il l l l l l ll I BO B1 B2 B3 B4 B5 B6 B7 TO GND OSIN ISON SS AOS 19S vas LAO BO LA7 B7 ripple counter signals 0 255 0 OxFE T_0 trigger signal output from GLA 1000 GDS 2000 CH1 DNG D CH2 e f connection Gs LAT O ed CH1 accumulated ripple counter signals CH2 GLA 1000 trigger signal routed from T_0 1 On GLA 1000 Group BO B7 into a bus by highlighting BO B7 and pressing Ctrl key G or calling right click context menu E frre a Bl wy Sampling Setup PA e2 iy Channels Setup 4 2 Click on the Bus trigger condition icon The Bus trigger setup window appears 38 GW INSTEK ABGLA 1000 ADVANCED Bus Trigger Setup Bus Name Operator Value Busi v poco Edit Base Mode
22. ocol by extracting the attributes from the captured data Connection pu OL LW1 9 yI G Y v YI e y A Y1 OVI a zi pus OSIN ISOIN S XY xX TOS vas T A4 A5 A6 A7 1 Click the start icon or press F5 to capture the signal j 2 Click the SPI analysis icon The setup dialog window appears SP SPI Setting LJ mBus setting 55 setting s aNg 55 aia X Follow mse gt LSB X Text Mode a Bin Dec Hex ASCII Custom Setting MOSI MISO MV active MV active Mode CPH4 0 CPOL _ Mode cPHA 0 CPOL _ Channel Jazfaz v Channel asias X Start tap IL ox Cancel Default 3 Select A4 A7 as SCK MISO click Start then click OK Channel setup se 4 Two new SPI analysis buses show results with bus descriptions El MOSI s SCKIAD SS A5 g DATA El MISO s SCKAD SS A5 g DATAA Demonstration completed 42 GW INSTEK ABGLA 1000 ADVANCED UART Analysis Background This function analyzes the UART Universal Asynchronous Receiver Transmitter protocol by extracting the attributes from the captured data Connection u SS 3 X l 1 l AO A1 A2 A3 A4 A5 A6 3 x 1 Click the s
23. r Powercord Fuse RS232C port Optional switch socket socket GPIB port Rear panel I oo 0B cE Calibration Go No Go USB host USB slave Optional output output port port battery packs 10 GW INSTEK 2BGDS 2000 TUTORIAL 1 Power up GDS 2000 Here you will learn how to properly place and power up GDS 2000 1 Place GDS 2000 on a flat non conductive surface and tilt stand it Low angle High angle 2 Connect the power cord to the rear panel socket Ce 3 Turn On the main power switch on the rear panel On OQ Off The ON STBY indicator on the front panel turns red ON STBY 4 Press the ON STBY key The indicator turns green and the display becomes active in 6 8 seconds ON STBY 5 Go to the next step 11 GWINSTEK GDS 2000 Series Training Manual 2 Set up the Environment Here you will learn how to setup measurement environment select the menu language reset GDS 2000 and adjust the display contrast 1 Press the Utility key F4 Language Press F4 repeatedly to select the menu language of your choice mm Language Utility Ge 2 Press the Save Recall key F1 Default Setup to reset GDS 2000 front panel Make sure that Channell becomes active CH1 key LED turns ON and a horizontal line appears at the center Save Recall Deau Setup Default Setup l Display Refs 3 Go to the next step Note e For a complete list of the default setup contents s
24. table due to high CH1 CH2 Scale 50ns div 200mV div sampling rate 1GSa s if CH1 is still unstable increase the trigger level 1 Press the Measurement key to show the Measurement menu E Measure E 2 Press F1 F3 gt F3 Delay FRR to select the measurement item Press F5 Previous menu to go back and observe the delay time Vpp Time e 6 Change the horizontal scale to 100ns div Due to the additional Delay ga ga data memory requirement the sampling rate falls from 1GSa s DelayFRR Menu to 250MSa s pad 1GSa s 250MSa s 7 Press the Run Stop key several times and observe the pulse 3 Press F2 gt F3 gt F3 and use VARIABLE knob to select Delay signal The signal amplitude and width becomes somewhat LRR Press F5 Previous menu to go back and observe the delay unstable due to slower sampling rate 250MSa s Vavg Delay 1 99 3mV Run Stop 2 4 28mV cB E DelayFRR VARIABLE T er elay revious DelayLRR Gp Menu DelayFRR 185 8ns DelayLRA 134 2ns ee ee ee ee i ee ee ee Rise Time 1 7 688ns 2 6 475ns Demonstration completed Demonstration completed 23 24 GW INSTEK 3BGDS 2000 ADVANCED Automatic Measurement Overshoot Background Using the automatic measurement function you can easily measure the waveform including the rise and fall overshoot Connection CH1 lt D omi fh CH1 Scale 50ns div 100mV div if CH1 is still unstable increase the trigg
25. tart icon or press F5 to capture the signal j 2 Click the UART analysis icon The setup dialog window appears LJ mBus setting r55 setting SCK v Active ss faan x Follow mse gt LSB x Text Mode e Bin Dec Hex C ASCII Custom Setting MOSI IV Active Mode cra 0 CPOL Channel azaz v MISO IV Active Mode cPHA 0 CPOL z Channel Jaspa3 x Channel setup set 4 Two new SPI analysis buses show results with bus descriptions Tx Bus gf THON es Ry Bus a ow PEDCAT Demonstration completed 43 GW INSTEK GDS 2000 Series Training Manual A ppEN DIX Sine Wave Frequency Adjustment The following shows how to adjust the frequency of the pure sine wave generated on the board 1 Connect the probe to the sine wave output for viewing The frequency is adjusted by the knob below the USB connector The three LED above the knob shows the frequency adjustment unit CH1 2 To adjust the frequency first press the knob down to select the frequency adjustment unit The corresponding LED turns On 10Hz default 1kHz 100kHz Freq Fixed p 3 Turn the knob to adjust the frequency except for the Fixed position Frequency range is 10Hz 3MHz Note e When you power cycle the demo board the sine wave frequency will be reset to the default 1kHz e The frequencies of FM and X Y mode signals although they
26. ures to their clients e Engineers who need comprehensive signal generator for oscilloscope and logic analyzer applications When you finish running the tutorial and demonstrations you will feel comfortable observing real life application signals on your own GWINSTEK GDS 2000 Series Training Manual G DS 2000 TUTORIAL The GDS 2000 tutorial is intended for novice users who are unfamiliar with GDS 2000 operation or oscilloscope in general For theoretical aspects of oscilloscope consult other resources Below is the list of useful websites Wikipedia oscilloscope entry http en wikipedia org wiki Oscilloscope Oscilloscope tutorial https www cs tcd ie courses baict bac jf labs scope oscilloscope html Tutorial contents The tutorial simulates power up setup signal viewing measurement probe compensation and saving data Each tutorial step builds upon the previous step so run them in order 1 Power up 2 Environment setup 3 Waveform connection and viewing 4 Waveform measurement 5 Waveform scale and position adjustment 6 Probe compensation 7 Data saving Required tools e GDS 2000 x 1 e Standard oscilloscope probe x 1 GW INSTEK 2BGDS 2000 TUTORIAL GDS 2000 Overview GDS 2000 series are generic purpose digital storage oscilloscope aimed at product design quality assurance and educational usage Series lineup Model Frequency Channels Model Frequency Channels GDS 206
27. us GDS 2000 advanced functionalities for demonstration or your own education Required tools e GDS 2000 x 1 e Demo board x 1 e USB type A type B x1 cable for demo board power supply e Standard oscilloscope probe x 2 e BNC BNC cable x 1 only for 1GSa s amp Single shot Demonstration type 1GSa s amp Single shot Automatic measurement FM signal observation Long memory Peak detection Pulse width trigger Roll Scan mode X Y mode DAC simulation demo is available when used with GLA page38 How to run demonstration 1 Setup the demo board according to the procedure on page20 2 Pick up the demonstration topic and run it Resetting GDS 2000 after each demo according to page20 is recommended 18 GW INSTEK 3BGDS 2000 ADVANCED GW INSTEK GDS 2000 Series Training Manual Demo Board Overview GDS 2000 Demonstration Setup The demo board is a signal generator board capable of producing Follow the below steps to properly power up and connect the demo waveforms which represent various real life scenarios you might board Use step 5 8 to reset the board after each demonstration encounter You can use the board as a training kit to learn how to roperly view signals or use it as a generic signal generator ss a ene 1 Power up GDS 2000 Appearance ON STBY IIC UART SPI Reserved Power In Auxiliary Logic Analyzer Connectors USB TypeB Power In 2 Connect the USB cable to the demo board and
Download Pdf Manuals
Related Search