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Dream Catcher ME1110, Quick Start Manual

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Dream Catcher ME1110 Quick Start Manual Download Page 11

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ME1110 Digital Modulation Technique 
 

 

Quick Start Guide - 11/16 

      

                     

                                                        

 
 
 

Step 3: 

 

Displaying the Modulated IQ Signals in the 89601 VSA software (cont.) 

 

In the 

Filter

 tab, set the 

following parameters: 

Measurement Filter = 
Rectangular 

and

 

Reference Filter = 
Rectangular.

 Leave the 

other settings as default. 

 
 

 
 
 
 

 Unselect the 

Pulse 

Search

 option as the 

carrier is present 
continuously. Otherwise, 
the software may limit the 
maximum symbols in the 

Result Length

. 

The VSA software may 
override the frequency 
span selection.  Go to the 

MeasSetup

 window to 

change it back to the 
preferred value. 

 

Change the display to Grid 
2x2 to display the 
demodulated signal. 

 

 

 

 

 

 

1
3 

14

0 

1
3 

14

0 

15

0 

15

0 

Summary of Contents for ME1110

Page 1: ...ME1110 Digital Modulation Technique Out of Box Teaching Solution for Analog and Digital Modulations Quick Start Guide revision 1 01 Printed on 27 September 2018 ...

Page 2: ...ctrical components may damage or destroy the product To avoid the risk of electrostatic discharge please observe the handling precautions and recommendations contained in the EN100015 1 standard Do not connect or disconnect the device while it is being energized WARNING CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY THE PARTY RESPONSIBLE FOR COMPLIANCE WITH THE EMC RULES COULD VOID THE USER S ...

Page 3: ...on Technique Quick Start Guide 3 16 Table of Contents Table of Contents 3 DreamCatcher Courseware Customer Login Guide 4 1 Quick Setup and Verification 6 2 Support and Warranty 13 2 1 Terms and Conditions 13 Appendix A Technical Specifications 14 Revision History 15 Contact Us 16 ...

Page 4: ...ion to login NOTE If you have created your DreamCatcher account before the 1 st of September 2017 you will receive an e mail request to reset your password If you do not receive the password reset e mail within a few minutes of logging in please check your Junk E mail folder just in case the password reset e mail got delivered there instead of your inbox Follow the instructions in the password res...

Page 5: ...REGISTER NEW PRODUCT Register a new product with the given product key NOTE Contact your local sales representative if you need further assistance C PRODUCTS DOWNLOADS Download the registered product s contents and materials NOTE Products downloads are made available only for registered products Click REGISTER NEW PRODUCT to register your product first D WARRANTY INFORMATION View your product s wa...

Page 6: ... instructions Turn off the training kit when it is not in use Step 1 Setting Up the Device Connections Note If only an oscilloscope with analog channels is used without the digital channels skip step 1 Connect the Clock J6A Baseband Data J6B and Symbol Clock J6C output to the oscilloscope s digital channel 0 2 through the Digital Probe Flying Leads Connect the I signal output TP1 to the oscillosco...

Page 7: ...r to the Mode Table printed on the ME1110 modulation kit and look for the Mode number of the QPSK Press on the PB1 button until the 7 segment LED display shows Mode 4 to change the modulation format to QPSK Adjust the settings on the oscilloscope and observe the waveforms generated by the ME1110 Digital Modulation Kit Note that the impedance of the oscilloscope s channel 3 is changed to 50 Ω 1 2 1...

Page 8: ...1 VSA software should be preinstalled in the PC Set the oscilloscope to interface with the 89601 VSA software Via the USB port Instructions Keystrokes Set the Input Output controller Press Utility followed by I O The Current I O Configuration dialog box is displayed Select the USBinterface in the 89600 VSA software Press Control and turn the Entry Knob to USB Press Control again to select or activ...

Page 9: ...xpert window Launch the 89600 VSA software The VSA software will initialize and the detected hardware will be displayed The oscilloscope front panel is now disabled If this is the first time connecting the sampling hardware to the computer configure the instrument so that the VSA software recognizes it Go to Utilities Hardware Discovered Instruments and you should see the oscilloscope connected on...

Page 10: ...requency Set the center frequency to 10 MHz and the frequency span to 3 MHz as shown at the side Select MeasSetup Measurement Type Digital Demod to demodulate the QPSK signal Select MeasSetup Digital Demod Properties to set the demodulation properties In the Format tab set the following parameters Format QPSK Symbol Rate 1 MHz Points Symbol 4 and Result Length 80 Symbols A warning about insufficie...

Page 11: ...lter Rectangular and Reference Filter Rectangular Leave the other settings as default Unselect the Pulse Search option as the carrier is present continuously Otherwise the software may limit the maximum symbols in the Result Length The VSA software may override the frequency span selection Go to the MeasSetup window to change it back to the preferred value Change the display to Grid 2x2 to display...

Page 12: ...6 Step 3 Displaying the Modulated IQ Signals in the 89601 VSA Software cont Note that the EVM is approximately 3 72 with a magnitude error of approximately 2 45 and a phase error of approximately 1 60 degree The IQ offset is about 39 39 dB These are the errors of the IQ modulator for the QPSK modulation 16 0 16 0 ...

Page 13: ... of shipment be free from defects in material and workmanship and will conform to Acehub Vista Sdn Bhd s applicable specifications If Acehub Vista Sdn Bhd receives notice of a defect or non conformance during the one year warranty period Acehub Vista Sdn Bhd will at its option repair or replace the affected product Buyer will pay shipping expenses for return of such product to Acehub Vista Sdn Bhd...

Page 14: ...ons ME1110 Digital Modulation Board Min Typical Max Unit Input voltage 5 V 4 8 5 0 5 5 V Input current 5 V 180 200 mA External Data Input 2 2 3 0 3 5 V Carrier Frequency at CW mode 9 995 10 005 MHz Clock Output For External Data Input 2 4 2 5 2 6 V RF Out Main into 50Ω load at CW mode 0 30 0 70 dBm RF Out Aux into 50Ω load at CW mode 3 00 4 20 dBm ...

Page 15: ...tcher asia cw cw enquiry dreamcatcher asia ME1110 Digital Modulation Technique Quick Start Guide 15 16 Revision History Revisions Notes 1 00 Initial document 1 01 Added DreamCatcher Courseware Customer Login Guide ...

Page 16: ...means electronic mechanical photocopying recording or otherwise without prior written permission of Acehub Vista Sdn Bhd Every effort has been made to ensure that the information in this manual is accurate Acehub Vista Sdn Bhd is not responsible for printing or clerical errors Trademark Acknowledgements DreamCatcher TM is the trademark of Dream Catcher Consulting Sdn Bhd Microsoft and Windows are ...

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