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12

Keysight E8740A-070 Start-up Guide

deployable version of IQTools that does not require MATLAB to be installed,

however to use this version, the MATLAB runtime is required on the controller.

Follow the instructions below to install the compiled IQTools application.

1

Download the installation file

iqtools_incl_mcr_XXXX_XX_XX.exe

from the

following link:

https://www.keysight.com/main/

software.jspx?cc=US&lc=eng&nid=-11143.0.00&id=2943553&pageMode=CV

2

Click on the file to start the installation. The following dialog will be displayed

after a while. Click

Next

to proceed with installation.

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Содержание E8740A-070

Страница 1: ...Keysight E8740A 070 Performance Radar Signal Generation Solution Start up Guide...

Страница 2: ...customarily provided to the public to use modify reproduce release per form display or disclose commercial computer software or commercial com puter software documentation No additional government re...

Страница 3: ...Control Instrument product The affixed product label is as shown below Do not dispose in domestic household waste To return this unwanted instrument contact your nearest Keysight Service Center or vis...

Страница 4: ...4 Keysight E8740A 070 Start up Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 5: ...ion requirements 11 Installing standalone version of IQTools 11 Generating a 79 GHz FMCW Radar Signal Manually with IQTools 16 Generating a 79 GHz FMCW Radar Signal with FMCW Radar Assistant 26 Descri...

Страница 6: ...6 Keysight E8740A 070 Start up Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 7: ...rsion and provide a step by step guide to manually generate a 79 GHz FMCW signal with the system We will use the free Keysight IQTools radar pulse application to create the waveform We have also provi...

Страница 8: ...rument start up guides for each instrument are listed below for reference M8195 91010 Keysight M8195A Arbitrary Waveform Generator Getting Started Guide N5180 90054 Keysight X Series Signal Generator...

Страница 9: ...be connected to the LAN port on the M9052A AXIe chassis 3 Optional The Radar Generation Assistant see Using the Radar Assistant on page 31 requires the N5183B MXG to be connected to the USB port on th...

Страница 10: ...M8195A can exceed 0 dBm an optional 8493C 6 dB attenuator may be optionally attached in series to protect the up converter from accidental damage The attenuator will also lower the AWG s WARNING The N...

Страница 11: ...lso has some built in signal creation functions If the software has not been preinstalled in the embedded controller please consult Chapter 2 of the Keysight M8195A Arbitrary Waveform Generator Gettin...

Страница 12: ...llow the instructions below to install the compiled IQTools application 1 Download the installation file iqtools_incl_mcr_XXXX_XX_XX exe from the following link https www keysight com main software js...

Страница 13: ...Keysight E8740A 070 Start up Guide 13 3 Choose the default installation folder or key in a new path Click Next 4 Choose the default installation path or enter a new path for the MATLAB runtime...

Страница 14: ...onfirm the installation paths of the files and click Install Installation will begin if the required MATLAB runtime is not already present in the system the runtime will also be installed Follow the i...

Страница 15: ...Keysight E8740A 070 Start up Guide 15 6 You may need to reboot the system after installation...

Страница 16: ...below One of the sidebands and any residual LO harmonic feedthrough must be filtered away with a waveguide bandpass filter The specification for the compact mixer can be found at http vadiodes com Th...

Страница 17: ...idental RF overload of the sensitive millimeter wave equipment occurs 2 Apply power to the instruments upconverter and other accessories 3 Set the RF frequency and Amplitude of the N5183B a Press the...

Страница 18: ...oller boots up Find and click on the SFP App Icon to start the program b Although most of functions of the M8195A may be controlled from within the IQTools GUI during signal generation the SFP is requ...

Страница 19: ...rument Configuration dialog shown in Figure 4 Figure 4 IQTools main dialog c Set the following parameters in the Instrument Configuration dialog Select M8195A from the Instrument Model drop down list...

Страница 20: ...pad in place is within the linear operating power range of the up converter IF port Set the Clock Source to External Ref Clock and Clock Frequency to 10e6 Hz This will synchronize the M8195A time bas...

Страница 21: ...the FMCW IF waveform from the M8195A which in turn will be upconverted by the N9029ACST a From the IQ Tools main dialog click on the Radar Pulses Chirp button b This will launch the Radar Pulse dialo...

Страница 22: ...as shown in the graph below Pulse Shape Controls the shape of the rising and falling edges of the pulse amplitude Modulation on Pulse For linear FM select either increasing falling V or inverted V for...

Страница 23: ...looped continuously The sequencer is operated in arbitrary sequence mode However using the sequencer in IQTools or M8915A SFP different segments can be sequenced together to create a more complicated...

Страница 24: ...070 Start up Guide 9 Press the Download Waveform button to generate the signal If the output is connected to a spectrum analyzer the FMCW waveform can be monitored as shown in Figure 8 Figure 8 Gener...

Страница 25: ...output can be turned on and off without stopping signal generation by using the output Enabled check box Control the output voltage by changing the Amplitude Start Stop signal generation using the Run...

Страница 26: ...page 16 Users are only required to input the required FMCW signal specifications select the equipment model and the assistant will attempt to calculate the required settings and control the instrument...

Страница 27: ...o utilizes the M8195A sequencer to generate a periodic pulse train if required Figure 11 Center frequency and pulse train Symmetrical FMCW edit box Check this box to select an inverted V FMCW pulse Ot...

Страница 28: ...time Burst Period Frequency edit box This edit box displays the LO frequency of the source The frequency is calculated by the Assistant based on the FMCW settings However the frequency can be changed...

Страница 29: ...annel 4 marker can be turned on or off from the radar assistant interface IFc Frequency read only Displays the center frequency of the FMCW signal that is generated by the M8195A View Waveform button...

Страница 30: ...tings box Please read Calibrating system using M1971E Smart Mixer first to understand the underlying calibration process and how to connect the required smart mixer and spectrum analyzer to the system...

Страница 31: ...t been already started 2 The radar assistant will control the N5183B source remotely hence a USB or LXI connection is required between the M9502A and instrument as shown in Figure 2 3 We are going to...

Страница 32: ...tton If the M8195A SFP in already running properly the button should turn green c We will set the 10 MHz path via the M8195A SFP next but first make sure the Trigger Mode and Clock Source drop down li...

Страница 33: ...reference output from the N5183B has been connected to the M8195A as shown in Figure 2 Open the M8195A SFP and select the Clock tab e Click the switch to select the M8195A to use the reference from th...

Страница 34: ...nection Expert application can be used to check the address of the instrument b Press the Test connection button which should turn green if the instrument is connected It is not necessary to set the f...

Страница 35: ...tem Settings button The dialog box should appear as in Figure 16 9 The Assistant has set the LO source frequency at 37 5 GHz This will result in a carrier of 75 GHz since the N9029ACST operates on the...

Страница 36: ...36 Keysight E8740A 070 Start up Guide Figure 16 FMCW Radar Generation Assistant settings Figure 17 Generated AWG waveform...

Страница 37: ...andwidth of the IF frequency would suffer image frequency aliasing However Keysight s smart mixer M1970E has a dual conversion path mode The input signal is converted to first IF of 1 5175 GHz in the...

Страница 38: ...g base of the measurement system with the radar signal generator system by connecting a coaxial cable from the ref clk out to the rear Ext Ref In port of the Spectrum Analyzer c Connect the M1971E sma...

Страница 39: ...e smart mixer We need to switch the smart mixer from the default mode to the dual conversion path On the X series signal analyzer select the Input Output measurement function Select the Input tab and...

Страница 40: ...bserved The spectrum analyzer s sweep time might need to be increased so that the spectrum is more stable 4 If the M8195A SFP is not running start the application first Then launch IQTools and bring u...

Страница 41: ...Keysight E8740A 070 Start up Guide 41 Figure 20 Setting up the Spectrum Analyzer in the Instrument Configuration dialog...

Страница 42: ...the Figure 21 This step will ensure that the signal generation and measurement system s timing base are synchronized from the N5183Bs 10 MHz reference output Figure 21 Switch 10 MHz path using M8195A...

Страница 43: ...aunch the Multi Tone Noise dialog Enter the following parameters as shown below Figure 22 IQTools Multi Tone Noise dialog settings of tones 101 Start Frequency Hz 3 0e9 Stop Frequency Hz 5 0e9 Fc Corr...

Страница 44: ...ate the amplitude response of the system It requires the carrier frequency to read the correct frequency tone from the spectrum analyzer The setting Spec An Zero Span sets the spectrum analyzer to use...

Страница 45: ...o span mode and progresses through each tone frequency during calibration Once it is completed the corrected predistorted waveform is automatically generated and downloaded into the sequencer memory a...

Страница 46: ...0A 070 Start up Guide 11 To view the relative amplitude response of the system that was measured by IQTools press the Show Correction button on the Multi Tone Noise dialog Figure 25 IQtools Correction...

Страница 47: ...ted by the instrument s IF frequency 322 5 MHz This is somewhat mitigated by using a Keysight smart mixer in dual conversion path However to measure and calibrate a radar signal that has a bandwidth l...

Страница 48: ...es a N 6 LO harmonic factor In this set up we use a source LO source frequency of 12 5 GHz which result in a effective carrier frequency of 75 GHz the same as the carrier frequency of the signal gener...

Страница 49: ...set to operate in normal swept analysis mode unlike the previous smart mixer example It is essential to calibrate the response of the receiver system before it itself can be used to calibrate the sign...

Страница 50: ...50 Keysight E8740A 070 Start up Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 51: ...n is subject to change without notice Always refer to the Keysight website for the latest revision Keysight Technologies 2018 Edition 1 February 9 2018 Printed in Malaysia E8749A 90700 E8749A 90700 ww...

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