background image

14 

 

 

  

Summary of Contents for DS203

Page 1: ...ess mainly focus on the distribution of electronic components Line cards we deal with include Microchip ALPS ROHM Xilinx Pulse ON Everlight and Freescale Main products comprise IC Modules Potentiometer IC Socket Relay Connector Our parts cover such applications as commercial industrial and automotives areas We are looking forward to setting up business relationship with you and hope to provide you...

Page 2: ... Operations Interfaces and Buttons 4 Screen Display 5 Fields in the Input Area 6 Fields in the Output Area 6 Fields in the Measurement Area 7 Parameter Menu 7 Disk Menu 9 3 Application Examples Example 1 Measure simple signals 10 Example 2 Acquire a single trace 10 Example 3 Measure with cursors 11 Example 4 Compare waveforms 12 Example 5 Save waveform images 13 4 Tips 15 ...

Page 3: ...echargeable battery powered by USB connection Comprehensive user interface through 6 buttons switches and colored menu control system 2 mcx 1X 10X oscilloscope probes Safety To ensure your safety avoid any damage to the device connected products please read the following precautions carefully To avoid any possible dangers please use this product according to the following rules Avoid fire and phys...

Page 4: ...lues Check CH_B CH_C and CH_D Firmware Upgrade Connect the DSO203 to your PC with a mini USB cable Hold down the Run button while turning on DSO203 It is now in firmware upgrade mode and a USB disk should appear on your PC Copy the firmware files one at a time After a file is copied disconnect DSO203 When DSO203 reconnects the file you copied will be updated The order that you upload the files is ...

Page 5: ...ese buttons switches and sockets are summarized in the following table Interface Symbol Function Run Button to run and stop DSO sampling Disk Button to save traces to built in USB disk or restore traces from disk Parameter Button to display selected parameters Jump Button to jump among Input Output and Measurement Areas Select Rocker switch to scroll left or right to select a parameter Press down ...

Page 6: ...ed on a black background with very light grids in 5mm spacing In addition there are 6 cursors in single pixel dotted lines Two horizontal cursors show voltages V1 and V2 One horizontal cursor shows the triggering level THR Two vertical cursors show timing marks T1 and T2 A third vertical cursor shows the triggering point T0 On the top edge of the display is an Input Area divided into 6 fields from...

Page 7: ...ea Field Name Functions A RUN HOLD Running Mode Run Hold Press Run button to change Battery charge B AC DC 50mV 10V Channel A AC Coupling DC Coupling Hide Voltage per grid in 1 2 5 steps C AC DC 50mV 10V Channel B AC Coupling DC Coupling Hide Voltage per grid in 1 2 5 steps D DC Channel C DC Coupling Hide E CH_ D A B A B C D C D REC_A R EC_B REC_C REC_D Channel D Channel D CH_A CH_B CH_A CH_B CH_A...

Page 8: ... N T1 Time Maker T1 Scroll to adjust time maker T1 Press to hide O T2 Time Marker T2 Scroll to adjust time maker T2 in W position shows T Press to hide time marker T2 P Y Horizontal Level of each channel Scroll to adjust horizontal level Press to choose channel CH_A CH_B CH_C CH_D Q X Choose the window to display waveforms Scroll to choose waveforms of different positions to d current window R T0 ...

Page 9: ...e RMS Root Mean Square average of voltage Vpp Peak to Peak voltage Vdc Direct Current voltage Max Maximum voltage Min Minimum voltage FRQ Signal frequency CIR Signal cycle EXT Exit Parameter List There are 12 parameters Only 9 parameters can be displayed at a time Short press button shows only the current 9 parameters To see other parameters hold down for 2 seconds and a narrower parameter list ap...

Page 10: ... Bmp Save bmp file waveform image to USB disk Scroll to choose file Press to confirm Save Csv Save csv file export sampling data of buffering area to USB disk Scroll to choose file Press to confirm Load Dat Load dat file Scroll to choose file Press to confirm Load Buf Load buf file Scroll to choose file Press to confirm BackLight Adjust backlight brightness Scroll to adjust backlight brightness Pr...

Page 11: ... to see a parameter list Observe signal parameters e g Vpp peak to peak voltage RMS average value of voltage FRQ frequency and so forth Your should see the following screen display Example Two Acquire a Single Trace It s the most important feature of a digital storage oscilloscope to acquire non periodic signals like pulses and spikes To acquire a single signal trace you need a priori knowledge of...

Page 12: ...the time and voltage in the signal traces The following figure shows a typical analog signal trace You can do two exercises with this trace Measure the cycle time of the 3rd waveform from the signal trace Follow these steps 1 Navigate to T1 in N field Change its color to yellow 2 Scroll move cursor T1 to the 3rd peak of the trace 3 Navigate to T2 in O field Change its color to yellow 4 Scroll move...

Page 13: ... signal Follow these steps 1 Input a standard signal to CH_A Press and choose Save Dat 01 to save waveform as shown in Figure 4 1 2 Input an unknown signal to CH_A In E field choose REC_A Press and choose Load Dat as shown in Figure 4 2 3 Navigate to Y in P field Adjust horizontal level to compare waveforms as shown in Figure 4 3 Figure 4 1 ...

Page 14: ... analyzed on PC platform Follow these steps 1 Acquire a signal trace 2 Press and choose Save Bmp 01 3 Scroll to choose the correct file number and then press to confirm The file named IMAG001 BMP will be saved to built in USB disk as shown in following figure To analyze waveform copy the image file to your PC ...

Page 15: ...14 ...

Page 16: ... to push the sampling rate about 1 MHz We didn t have low cost good color LCD s for displaying waveforms Microcontrollers didn t have enough RAM and ROM to support large application programs Then Seeed Studio brought out the DSO Nano Oscilloscope Still a bit slow but quite usable DSO is just getting better all the time and now we have DSO203 sampling at 72 MHz It is the pocket oscilloscope we drea...

Reviews: