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User’s Manual UTS1000B/T Series

Instruments.uni-trend.com

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For product support outside mainland China, please contact your local UNI-T distributor or sales center.
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Summary of Contents for UTS1000B Series

Page 1: ...User s Manual UTS1000B T Series Spectrum Analyzer...

Page 2: ...mation Copyright is owned by Uni Trend Technology China Co Ltd UNI T products are protected by patent rights in China and other countries including issued and pending patents Uni Trend reserves the ri...

Page 3: ...king and shipping the defective products to the designated maintenance center of UNI T pay the shipping cost and provide a copy of the purchase receipt of the original purchaser If the products is shi...

Page 4: ...4 76 1 Overview Overview of UTS1000B T Overview of Front Panel User Interface Overview of Rear Panel This chapter is to introduce the main functions and features of UTS1000B T spectrum analyzer and b...

Page 5: ...and Feature The main functions and features of UTS1000B T spectrum analyzer as follows High sensitivity measurement Frequency range 9kHz 3 2GHz Display average noise level lower to 161dBm Hz Phase no...

Page 6: ...Sweep set up sweep time select sweep trigger and demodulation type Trace set up trace line demodulation mode and trace line operation Marker this maker key is to select marked number type attribute ta...

Page 7: ...ent is in remote control mode press this key to return to local mode 6 RF input 50 this port is used to connect the external input signal the input impedance is 50 N Female connector Warning It is for...

Page 8: ...e first line is display the number of trace line color of number and trace should be the same The second line is display the corresponding trace type which includes W Clear Write A Average M Max Hold...

Page 9: ...creenshot file system setup system help system and file storage Quick Screenshot screenshot will save in the default file if there has an external storage it is preferentially saved to external storag...

Page 10: ...ef Ext When the external reference source is lost exceeded or not connected the instrument reference source is automatically switched to the internal reference and the measuring bar on the screen will...

Page 11: ...es not meet the rated value and ensure that the probe or other connected accessories are effectively grounded to avoid equipment damage or abnormal function 4 HDMI Interface HDMI video signal output i...

Page 12: ...ng List Safety Instruction Environmental Requirements Connecting Power Supply Electrostatic Protection Preparation Work Usage Tip Touch Operation Remote Control Help Information Operating Mode This ch...

Page 13: ...loss caused by the user s failure to follow the following safety precautions This device is designed for professional users and responsible organizations for measurement purposes Do not use this devi...

Page 14: ...Standby power supply when the power switch is turned off this device is not completely disconnected from the AC power supply CAT I Secondary electrical circuit connected to wall sockets through trans...

Page 15: ...years during which it can be used safely Upon expiration of this period it should enter the recycling system Safety Requirements Warning Preparation before use Please connect this device to AC power s...

Page 16: ...ss which are definitely not applicable to main power supply measurement CAT II CAT III or CAT IV circuit measurement Probe assemblies and accessories within the scope of IEC 61010 031 and current sens...

Page 17: ...relevant personnel of UNI T Cooling Do not block the ventilation holes at the side and back of this device Do not allow any external objects to enter this device via ventilation holes Please ensure ad...

Page 18: ...ations 10 50 60Hz 100 120VAC Fluctuations 10 400Hz Please use the attached power lead to connect to the power port Connecting to service cable This instrument is a Class I safety product The supplied...

Page 19: ...nal signal source 10 MHz as reference please connect signal source to the 10MHz In port on the rear panel The measuring bar on the top of the screen will indicate Freq Ref Ext Activate the Option If u...

Page 20: ...site http www uni trend com UTS1000B T Series Programming Manual Help Information The spectrum analyzer s built in help system provides help information for each function button and menu control key...

Page 21: ...nal Measurement of Low Level Signal Measurement of Frequency Shift of Signal Source Measurement of Signal Distortion Measurement of Phase Noise View Catalogue and Save File This chapter is to introduc...

Page 22: ...ialog box and then touch virtual key to input numerical value and confirm select a virtual key ENTER or Enter key Enter Key If input numerical value without unit or user want to use the default unit t...

Page 23: ...Center Frequency 50MHz to set the center frequency to 50MHz Set Span Press FRQE Span 100MHz to set span to 100MHz Note Changing the reference level will change the amplitude value of the top grid lin...

Page 24: ...nce value marker is used to show the differences 1 Reboot the spectrum analyzer Press Default to reset 2 Connect 10MHz OUT port on the rear panel to RF IN port on the front panel 3 Set the center refe...

Page 25: ...the signal is displayed on the screen another signal is not on the screen Difference value marker is used to show the differences 1 Reset the spectrum analyzer Press Default Reset 2 Connect 10MHz OUT...

Page 26: ...esolution bandwidth and video bandwidth to distinguish the two signals with the same amplitude frequency space 100 kHz Please note that for resolution signal the final selected resolution bandwidth va...

Page 27: ...wo Equal Amplitude Signals 4 Adjust the resolution bandwidth RBW to 30kHz to make its lower or equal to the frequency space of two input signal Press BW RBW 300 kHz Refer to Figure 3 6 two signal peak...

Page 28: ...y difference 10 kHz amplitude difference 50dBm 1 As shown in Figure 3 4 connect two signal sources to input port of the spectrum analyzer 2 Set the frequency and amplitude of one signal source to 300M...

Page 29: ...BW 3 kHz Press Peak Press Marker Marker Mode Delta Press Marker Marker Frequency 10 kHz Figure 3 9 Distinguish Small Signal from Big Signal Note UTS1000B T s filter has 4 8 1 shape factor With a reso...

Page 30: ...e front panel can only withstand an input signal power of no more than 30dBm or a DC voltage input of 50V Otherwise it may cause damage to interior circuit 1 Press Default Reset to reset spectrum anal...

Page 31: ...Press AMPT Attenuation 0 dB Figure 3 12 Measuring Small Signal with 0dB Attenuation Reduce Resolution Bandwidth Resolution bandwidth will affect internal noise level however waveform continuous signa...

Page 32: ...ter 60dB bandwidth and 3dB bandwidth is 4 8 1 RBW greater or equal to 1 kHz the filter s rectangle coefficient is 5 1 The maximum value of RBW is 1MHz the minimum is 1Hz Trace Averaging Trace averagin...

Page 33: ...er frequency sweep span and reference level Press Default Reset Press FREQ Center Frequency 300MHz Span 1MHz Press AMPT Ref Level 10dBm 4 Place a marker at signal peak and turn on search continuous pe...

Page 34: ...al will mask the true distortion to be measured on the input signal User can trace and radio frequency attenuator to identify the signal If it presents that is generated by the instrument internally I...

Page 35: ...generated by spectrum analyzer display input signal at trace 2 firstly Press Trace Select Trace Trace2 Press Trace Trace Type Clear Write Press Trace Update On Press Trace Display On 8 Refresh trace...

Page 36: ...nonlinear system they may interact with each other to produce a third intermodulation component TOI adjacent to the original signal in the spectrum These distortions are generated by system component...

Page 37: ...eep span of the spectrum analyzer Press Default Reset Press FREQ Center Frequency 300 MHz Span 500kHz 4 Reduce the resolution bandwidth until the distortion product can be seen Press BW Rotate the Rot...

Page 38: ...at each offset of the carrier frequency and normalized to 1 Hz in measurement bandwidth 1 Press Default to restore the spectrum analyzer 2 Use a cable to connect the output port of signal generator to...

Page 39: ...at trace whether is out of the preset range The file suffix is limit Correction file is amplitude correction for compensating the gain and loss of the external device The file suffix is corr Measuring...

Page 40: ...prevent data loss and file corruption Delete File 1 Press LocalDisk UTS1032B to select file or fold which need to be delete 2 Tap Delete option to delete the selected file 3 If you want to delete mul...

Page 41: ...Frequency FREQ Amplitude AMPT Bandwidth BW Autotune Auto Sweep Trace Marker Peak File Storage Save System Setup Default Setup Tracking Source TG Single Touch Lock Screen Meas Setup Measurement Meas Mo...

Page 42: ...e division the above sweep span should be divided by 10 Note Under the premise of constant sweep span to change the width sweep it will automatically modify the start and stop frequency In zero span t...

Page 43: ...rt and stop frequency Use numeric key rotary knob direction key or touch panel menu to change the stepped frequency Auto Tune Quick to find the signal that is most likely to be interest and place it o...

Page 44: ...amplitude in volts V The grid line at the top of the screen is the set reference level while the grid line at the bottom is the zero level Each grid is a tenth of the reference level in volts V Y Axi...

Page 45: ...on bandwidth and the video bandwidth stay constant If the video bandwidth and resolution bandwidth are not coupled a mark will appear in the bottom left corner of the screen next to RBW Press auto key...

Page 46: ...ep frequency In manual mode user can change the sweep time value by using the numeric key rotary knob direction key or touch panel menu 1 Sweep span is not zero When the sweep time is auto the spectru...

Page 47: ...less than 1kHz FFT mode is automatically selected 2 Swept Performed in a point by point sweep mode it is suitable for large RBW 3 FFT Performed in parallel sweep mode it is suitable for small RBW Whe...

Page 48: ...With each sweeping the spectrum analyzer will refresh information for every valid trace Select Trace Select the required trace there are 4 traces Trace Type Set the type of the current selected trace...

Page 49: ...the selected trace Math Function Performs mathematical operations between traces or traces and a specified offset 1 Off Turn off the mathematical operation 2 Power A B Calculating the power differenc...

Page 50: ...y to access marker menu to select type and amount of marker Marker is a rhombic icon as shown in the Figure 4 1 Figure 4 1 Reading of Marker Cursor It can display 10 markers on the screen at the time...

Page 51: ...cursor as Trace 1 Trace 2 Trace 3 Trace 4 Mark Frequency Mark the frequency point on the trace User can change the frequency value by using the numeric key rotary knob direction key or touch panel men...

Page 52: ...nsity value at the cursor If the current selected cursor is off in the Marker menu press Mark Noise is automatically turned on to the Normal type Then measuring the average noise level of frequency po...

Page 53: ...the frequency of the current cursor When Normal cursor is selected the start frequency is set to the frequency of the cursor When Difference cursor is selected the start frequency is set to the freque...

Page 54: ...Next PK Find the peak on the trace that is second only to the amplitude to the current peak and meets the search criteria and mark it with the cursor Without this peak the marker will not move Next P...

Page 55: ...eater than the peak threshold can be judged as the peak User can change the threshold by using the number key rotary knob direction key or touch panel menu 3 Excursion Man Auto Specify the difference...

Page 56: ...there are four limit data 1 Press Save key the instrument will save the current limit by the default file name or the input file name 2 After the limit file is selected press Recall key to read the c...

Page 57: ...ck it it indicates manual setting IPv4 Address the format of IP address is nnn nnn nnn nnn the first nnn range is 1 to 223 and the other three nnn range is 0 to 255 It is recommended to consult networ...

Page 58: ...r s memory 8 The limit line test is turned off but the list of limit line remains in the spectrum analyzer s memory 9 The state is directly set to 0 The default values of key parameters after reset ar...

Page 59: ...When the normalization is enabled the corresponding value of the reference trace is subtracted from the data after each sweep Reference level value When the normalization is enabled adjusting referen...

Page 60: ...ude unit is the same as the Y axis unit User can change the display line level by using the numeric key rotary knob direction key or touch the panel menu Note The display line is a reference horizonta...

Page 61: ...he trace display window on the screen to edit the current data point of the limit line Or drag the point to adjust the position of the current editing point that is to change the frequency and amplitu...

Page 62: ...ty are measured in the channel bandwidth specified by the user A pair of vertical lines on the display indicate the boundary of the channel bandwidth The center frequency reference level and channel b...

Page 63: ...this case the sweep span should be set between 1 and 10 times of the integral bandwidth User can change the integral bandwidth by using the numeric key rotary knob direction key or touch the panel me...

Page 64: ...on The voltage averaging is still a linear display Start Time Set the left boundary of the time domain power measurement in units of time The time domain power measurement data are calculated from the...

Page 65: ...e average operation mode of the spectrum analyzer When the exponential average mode is selected after a specified average time is reached each channel trace data is weighted exponentially added to the...

Page 66: ...maximum hold Then Press Trace Detector Peak Detection The obtained peak data will ensure the accuracy of the transmission bandwidth measurement Meas Preset Reset all parameters of the current measurin...

Page 67: ...ght side the main channel is centered on the central frequency point and the left and right adjacent channels are symmetric with respect to the main channel Channel parameter can be changed by setting...

Page 68: ...nged to voltage detection The voltage averaging is still a linear display Noise BW Set the bandwidth of the main channel The power is integral within the bandwidth of the main channel default value 2M...

Page 69: ...after a specified average time is reached each channel trace data is weighted exponentially added to the previous average value and then take the average In the exponential average mode the weight of...

Page 70: ...the weight of the new data is larger than that of the old data which is conducive to track signals that change slowly Measured average result will be displayed after the sweeping When the repetition a...

Page 71: ...d average time of sweep is reached this average mode is used to determine the average operation mode of the spectrum analyzer When the exponential average mode is selected after a specified average ti...

Page 72: ...and accuracy increasing the dwell time will reduce measurement speed while increasing accuracy User can change the dwell time by using the numeric key rotary knob direction key or touch the panel men...

Page 73: ...800GHz Noise BW CNR 100Hz 1 804999950GHz Offset Freq CNR 100Hz 1 804999950GHz Fundamental 100Hz 1 600000000GHz Harmonics 2 10 Troubleshooting This chapter lists the possible faults and troubleshooting...

Page 74: ...he current mode is in the single sweep state e Check whether the current sweep time is too long f Check whether the demodulation time of the demodulation listening function is too long g Check whether...

Page 75: ...nt on the instrument or probes Warning Please confirm that the instrument is completely dry before use to avoid electrical shorts or even personal injury caused by moisture Warranty Overview UNI T UNI...

Page 76: ...trend com cn For product support outside mainland China please contact your local UNI T distributor or sales center Many UNI T products have the option of extending the warranty and calibration perio...

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