U3841 / U3851

• Vector and Spectrum Signal Analyzer
• Comparative measurement/analysis of the signals from two channels on the basis of their time, amplitude, phase, and frequency domains by simultaneous and synchronized measurement
• Two-channel RF input and wide frequency range
  U3841: 9 kHz to 3 GHz
  U3851: 9 kHz to 8 GHz
• The best-in-class time domain analysis bandwidth of 40 MHz
• Vector operation that allows composition/decomposition
• "X math" function for comparative analysis
• Contain high performance Spectrum Analyzer function

Advantest Corporation ("Advantest") provides this sample software on a free of charge basis for use with the U3841, U3851 and U3872 measuring instruments. This sample software is a copyrighted work of Advantest, and Advantest is and shall remain the sole owner of the sample software and all related intellectual property rights. Please read this notice in its entirety before downloading the sample software. Please strictly observe the precautions included in this notice and described in the instruction manual for the sample software where provided.

• Remote Control
• Power Measure
• Application
• Vector Correction
• Recall File
• LabVIEW Driver

INSTALLER FORMAT; INSTALLATION ENVIRONMENT

The sample software is for use with the measuring instruments above on the Windows XP, Vista, 7 (32bit or 64bit OS) platforms. For your reference, the sample software available may include a basic instruction manual (English versions may not be available for all sample software).

Advantest is offering the sample software in the format of the following.

1. Installer
   It is possible to use it at once by installing software in the PC.
   Please execute un-installation from "Deletion of the program" in the PC.
2. Source Code
   Please use it with Visual Basic (6) for development. There is sample software without the source code either.
3. Manual
   This is an operation explanation. However, it doesn't explain the source code.

PRECAUTIONS

	Caution Advantest is not responsible for any data that is lost during use of this software. Back up your data regularly to prevent the risk of data loss in the case of computer malfunctions.
	Strictly Observe Never power off the system or remove the disk while USB, CD-ROM, or other access lamps are on. Failure to follow this instruction may cause computer failure or data loss.

? Windows, Visual Basic and Excel are registered trademarks of Microsoft Corporation in the United States and other countries.

? National Instruments, NI and LabVIEW is trademarks of National Instruments.

? ASCII is a trademark of ASCII media works.

? Other product and company names listed are trademarks or trade names of their respective companies.

CONDITIONS OF USE

1. Advantest provides this sample software "as is" without warranty of any kind and Advantest's liability for this software is limited to the fullest extent permitted under the law. This software is subject to change without notice.
2. Advantest will not accept customer requests for correction, improvement, or additional functions to the sample software. Advantest will not provide any support or respond to any inquiries relating to the sample software.
3. You may use the sample software solely for your own business operations and solely with Advantest products that you own within the recommend operation environments. You may not allow any third party to use this software.
4. Advantest assumes no responsibility whatsoever for any direct, indirect, or particular damages (including cases in which Advantest has or could have foreseen an occurrence of damages or a possibility of damages has been noticed) and damages arisen from your lost earnings or a third party's claim for damages against you, resulting from the use or failure of this software.
5. Advantest assumes no responsibility whatsoever for any and all negative effects resulting from any use other than that described in this document or in the manuals of any other products.
6. Advantest hereby declaims all warranties with respect to the sample software, including the implied warranties of merchantability, fitness for a particular purpose, title, accuracy, and non-infringements of a third party's rights. In no event will Advantest be liable for any damages or losses of any kind arising out of the use of the sample software.

Remote Control

Power Measure

Application

Vector Correction

Recall File

LabVIEW Driver

• Dual input channel capable of phase sync up to 3GHz/8GHz
• Multi domain crossing analysis with 40MHz capture BW
• Vector math comparison such as phase difference measurement

For multiplexed / mixed / interfered signal analysis, it is applicable to a wide variety of fields such as wireless communication, broadcasting and EMC.

• Multipath measurement
• Propagation measurement
• Electromagnetic field radiation, noise scanning and visualization system
• Internal device or circuit interference in electric equipment
• Inverter noise measurement of EV
• 2-channel simultaneous EMI measurement
• Multichannel simultaneous noise measurement
• Multichannel simultaneous noise measurement with phase sync.
• Satellite signal monitoring
• Cross Polarization Discrimination (XPD)
• Input-output characteristics of electric device such as pulse AMP
• Testing of radar module and system
• Measurement of surrounding environment
• Plasma equipment
• Research of particle accelerator
• Replacement of vector voltmeter

Multipath measurement

Time difference (phase difference) is analyzed to connect antenna to each channel.

Propagation measurement

Simultaneous analysis of desired and undesired signals (interference, multipath, and noise) without missing unwanted signals even under fluctuant propagation conditions.

Electromagnetic field radiation

To connect a magnetic field probe to RF input and an electronic field probe to the other one, those intermitted and fluctuating radiation noise can be measured respectively. Furthermore, correlation between electric and magnetic field can be shown by real-time comparison with phase synchronization between channels.

Internal device or circuit interference in cell-phone

Nowadays electric appliances contain RF modules, and electric devices like smart phones have some communication systems. A lot of radio interferences are expected, and communication signals carried in the device may interfere with each other. The interference signal in primary communication signal can be detected easily by 2ch time domain analysis.

Analysis of interference caused by inverters on electric vehicles

Inverter for EV operates with high-voltage switching, which affects the operation of electric components in vehicles. 2 channel time domain analysis is useful for observing relationship between inverter clock and interfered signal by inverter noise.

Multichannel Simultaneous EMI measurement

Enable parallel measurement using vertical and horizontal antennas or dual measurement of different frequency bands.

Multichannel simultaneous noise measurement

Enable simultaneous multipoint noise measurement at a low cost.

Multichannel simultaneous noise measurement with phase sync.

Can measure power of noise signal at each antenna simultaneously, and furthermore analyze phase difference to the signal detected at reference antenna.

Satellite signal monitoring

The level monitoring and interference signal monitoring are important to keep communication quality. RF/RF or RF/IF signals can be monitored simultaneously up to 43GHz by using 2 RF inputs.

Cross polarization discrimination (XPD)

Polarization multiplexed communication is used for effective utilization of radio frequency. Horizontal polarized waves and Vertical polarized waves are transmitted to the same frequency. XPD is one of evaluation items for communication, and “X math” function makes a direct reading of XPD value.

Measurement of gain and phase distortion of amplifiers in operating status with actual pulsed RF signal

Pulsed signals are used for various equipment such as radar and so on. It is important for improving system quality to measure characteristics of its internal components or modules like amplifier. Cross Domain AnalyzerTM U3800 equipped with two RF inputs can easily measure Gain and Phase Distortion of the devices by using actual pulsed RF signal carried in the system.

Testing of radar module and system

Rader systems are used in various equipment like collision avoidance system. Time domain analysis of 40MHz capture bandwidth can help development and manufacturing of radar modules and systems.

Measurement of surrounding environment

For example, radiation noise from electric power facilities interferes with broadcasting or communication signals. It is required to monitor radio frequencies of surrounding environment to maintain broadcasting and communication quality.

Monitoring of power and dynamic impedance in plasma equipment

RF plasma is used for semiconductor manufacturing processes such as Dry Etching, CVD and Sputtering. Efficient RF signal transmission is required in the systems to make plasma condition stabilized. It is important to monitor power and impedance in system operating status for boosting yield on semiconductor manufacturing.

Particle accelerator facility and equipment

Two RF input channel with phase sync. can contribute to high-energy research.