Ceyear 4051 Series User manual

4051 Series
Signal/Spectrum Analyzer
User Manual
China Electronics Technology Instruments Co., Ltd

The manual applies to the Series Signal Analyzers of the following models:
●4051A Series Signal/Spectrum Analyzer (3Hz-4GHz).
●4051B Series Signal/Spectrum Analyzer (3Hz-9GHz).
●4051C Series Signal/Spectrum Analyzer (3Hz-13.2GHz).
●4051D Series Signal/Spectrum Analyzer (3Hz-18GHz).
●4051E Series Signal/Spectrum Analyzer (3Hz-26.5GHz).
●4051F Series Signal/Spectrum Analyzer (3Hz-40GHz).
●4051G Series Signal/Spectrum Analyzer (3Hz-45GHz).
●4051H Series Signal/Spectrum Analyzer (3Hz-50GHz).
●4051L Series Signal/Spectrum Analyzer (3Hz-67GHz).
●4051A-S Series Signal/Spectrum Analyzer (3Hz-4GHz).
●4051B-S Series Signal/Spectrum Analyzer (3Hz-9GHz).
●4051C-S Series Signal/Spectrum Analyzer (3Hz-13.2GHz).
●4051D-S Series Signal/Spectrum Analyzer (3Hz-18GHz).
●4051E-S Series Signal/Spectrum Analyzer (3Hz-26.5GHz).
Options of the 4051 Series Signal/Spectrum analyzer in addition to standard accessories:
●4051-H01, Back RF input: To post position the RF signal input interface.
●4051-H02, High IF Output : Output frequency range is 275MHz ~ 475MHz. Provide 30dB gain, 1dB step.
●4051-H03, IF output: Output third IF signal, output frequency range is 10MHz ~ 160MHz, steps
resolution is 1Hz.Provide 4 automatic gain positions to control level.
●4051-H04A, Reconstruct IF/Video Signal Output: To realize arbitrary IF, AM/FM or I/Q signal output in
form of digital reconstruction, the bandwidth upper limit is 40MHz.
●4051-H04B, Wide band Reconstruct IF/Video Signal Output: To realize arbitrary IF, AM/FM or I/Q signal
output in form of digital reconstruction, bandwidth range is 50MHz~100MHz.
●4051-H08, Wide Log Detect Output: To output the logarithm wave-detection signal which can reflect the
input signal level characteristics.
●4051-H12A, 40MHz bandwidth digital interface: To output real-time broadband collecting data through
optical fiber, support max. 40MHz bandwidth signal data output.
●4051-H12B, 200MHz bandwidth digital interface: To output real-time broadband collecting data through
optical fiber, support max. 200MHz bandwidth signal data output.
●4051-H15, +24V DC power supply: +24V DC power supply.
●4051-H22A, 4711 Data Recorder: Configured with SSD Data Recorder (have same interface
characteristics) to realize real-time large-capacity recording of signal data.
●4051-H22B, 4712 Data Recorder: Configured with HDD Data Recorder (have same interface
characteristics) to realize real-time large-capacity recording of signal data.
●4051-H33, Electronic Attenuator: The upper limit of frequency is 4GHz, attenuation range: 0~30dB, 1dB
steps.
●4051-H34-04/4051-H34-09/4051-H34-13/4051-H34-18/4051-H34-26/4051-H34-40/4051-H34-45/4051-
H34-50, Low-noise Preamplifier: Optional low-band PreAmplifier or all-band amplifier. The maximum
frequency of all-band amplifier is up to 50GHz (4051L exception). If an all-band PreAmplifier is adopted,
a noise optimization path of at least 4GHz frequency band should be provided.

●4051-H36, Preselector Bypass: The tracking preselector in the bypass receiving channel.
●4051-H38A, 40MHz Analysis Bandwidth: Support 10Hz-40 MHz analysis bandwidth.
●4051-H38B, 200 MHz Analysis Bandwidth: Support 10Hz-200 MHz analysis bandwidth.
●4051-H38C, 550 MHz Analysis Bandwidth: Support 10Hz-550 MHz analysis bandwidth.
●4051-H39, Audio Analyzer: Realize audio frequency signal parameter measurement, distortion
measurement and waveform analysis
●4051-H40, External Mixer: To extend the frequency range using external frequency mixing method. This
option provides LO output and IF input, as well as signal recognition ability.
●4051-H41，Real-time Spectrum Analyzer: Pprovide digital phosphor spectrum and seamless waterfall,
including frequency template trigger, which can support real-time spectrum analysis of 200MHz
bandwidth.
●4051-H48，Noise Figure: Noise source drive and noise figure measurement function (4051L exception).
●4051-S04, Phase Noise Measurement: Provide SSB phase noise curve and single point phase noise
measurement.
●4051-S09, Analog Demodulation Analyzer: Provide modulation characteristics and distortion
characteristics analysis of AM, FM, ΦM signals.
●4051-S10, Transient Analyzer: To realize the measurement & analysis of transient parameters, spectrum,
and time-varying characteristics of signals, support playback of the recorded data.
●4051-S12，Vector Signal Analyzer: This option provides flexible demodulation functions of multiple
single-carrier digital modulation signals. It can provide vector charts, constellation diagrams, eye
diagrams, spectrum diagrams, etc., to analyze the characteristics of the modulation signal. The
modulation error of the signal can be obtained by demodulation, which helps to judge the cause of the
signal error.
●4051-S13, Pulse Signal Analyzer: Automatic measurement on time, level and modulation parameters of
pulse waveform and statistical analysis of pulse sequence.
●4051-H97, Mounting suit: Handles and accessories for 4051 mounting on standard racks.
●4051-H98, English options: English panels, user manual, operation interface, and operation system.
Power supply: AC 100~240V：50~60Hz.
●4051-H99, Aluminum transportation case: High-strength lightweight aluminum transportation case, with
handle and roller, convenient for transportation.

Options of the 4051-S Series Signal/Spectrum analyzer in addition to standard accessories:
●4051-H03, IF output: Output third IF signal, output frequency range is 10MHz ~ 160MHz, steps
resolution is 1Hz.Provide 4 automatic gain positions to control level.
●4051-H08, Wide Log Detect Output: To output the logarithm wave-detection signal which can reflect the
input signal level characteristics.
●4051-H34-04/4051-H34-09/4051-H34-13/4051-H34-18/4051-H34-26/4051-H34-40/4051-H34-45/4051-
H34-50, Low-noise Preamplifier: Optional low-band PreAmplifier or all-band amplifier. The maximum
frequency of all-band amplifier is up to 50GHz (4051L exception). If an all-band PreAmplifier is adopted,
a noise optimization path of at least 4GHz frequency band should be provided.
●4051-S04, Phase Noise Measurement: Provide SSB phase noise curve and single point phase noise
measurement.
●4051-H97, Mounting suit: Handles and accessories for 4051 mounting on standard racks.
●4051-H98, English options: English panels, user manual, operation interface, and operation system.
Power supply: AC 100~240V：50~60Hz.
●4051-H99, Aluminum transportation case: High-strength lightweight aluminum transportation case, with
handle and roller, convenient for transportation.
Version: D.1 February 2017 China Electronics Technology Instruments Co. Ltd
Address: No.98 Xiangjiang Road, Qingdao City, China
Tel: [phone]
Web: www.ceyear.com
E-mail: [e-mail]
Postcode: 266555

Preface
Thanks for choosing the 4051 Series Signal/Spectrum Analyzer developed and produced by China Electronics
Technology Instruments Co. Ltd.
We devote ourselves to meeting your demands, providing you high-quality measuring instrument and the best
after-sales service. We persist with "superior quality and considerate service", and are committed to offering
satisfactory products and service for our clients.
Manual No.
AV2.732.1000SS
Version
D.2 2017.02
China Electronics Technology Instruments Co. Ltd
Manual Authorization
The information contained in this User Manual is subject to change without notice. The power to interpret the
contents of and terms used in this Manual rests with China Electronics Technology Instruments Co. Ltd.
China Electronics Technology Instruments Co. Ltd owns the copyright of this User Manual which should not
be modified or tampered by any organization or individual, or reproduced or transmitted for the purpose of
making profit without its prior permission, otherwise China Electronics Technology Instruments Co. Ltd will
reserve the right to investigate and affix legal liability of infringement.
Product Quality Assurance
The warranty period of the product is 18 months from the date of delivery. The instrument manufacturer will
repair or replace damaged parts according to the actual situation within the warranty period. The user should
return the product to the manufacturer and prepay mailing costs. The manufacturer will return the product and
such costs to the user after maintenance.
Product Quality Certificate
The product meets the indicator requirements of the manual at the time of delivery. Calibration and
measurement are completed by the measuring organization with qualifications specified by the state, and
relevant data are provided for reference.
Quality/Environment Management
Research, development, manufacturing and testing of the product comply with the requirements of the quality
and environmental management system. China Electronics Technology Instruments Co. Ltd has obtained the
appropriate qualifications and passed the certification of ISO9001 and ISO14001 management system.
Precautions
Warning
―Warning‖ indicates danger. It reminds the user to pay attention to a certain operation process, operation
method or similar situations. Noncompliance with the rules or improper operation may result in personal
injuries. You must fully understand the warning and all the conditions in it shall be met before the next step.
Caution
―Attention‖ indicates important prompts and no danger. It reminds the user to pay attention to a certain
operation process, operation method or similar situations. Noncompliance with the rules or improper operation
may result in damage to the instrument or loss of important data. You must fully understand and meet the
caution conditions before continuing next step.

4051 Series Signal/Spectrum Analyzer
Contents
1
Contents
1. Manual Guide................................................................................................................................................ 1
1.1 ABOUT THE MANUAL......................................................................................................................................... 1
1.2 RELATED DOCUMENTS....................................................................................................................................... 2
2 General................................................................................................................................................ 5
2.1 PRODUCT OVERVIEW ......................................................................................................................................... 5
2.2 SAFE OPERATING MANUAL................................................................................................................................. 5
2.2.1 Safety Signs ................................................................................................................................................ 5
2.2.2 Operation Status and Location................................................................................................................... 7
2.2.3 Power Safety............................................................................................................................................... 7
2.2.4 Operation Precautions............................................................................................................................... 8
2.2.5 Maintenance............................................................................................................................................... 9
2.2.6 Battery and Power Supply Module............................................................................................................. 9
2.2.7 Transportation............................................................................................................................................ 9
2.2.8 Waste Disposal/Environmental Protection .............................................................................................. 10
3 Introduction to Use............................................................................................................................ 11
3.1 PREPARATIONS BEFORE OPERATION................................................................................................................ 11
3.1.1 Pre-operation Preparation....................................................................................................................... 11
3.1.2 Configuration of operating system........................................................................................................... 20
3.1.3 Routine Maintenance................................................................................................................................ 26
3.2 FRONT PANEL &REAR PANEL ......................................................................................................................... 28
3.2.1 Front Panel .............................................................................................................................................. 28
3.2.2 Rear Panel................................................................................................................................................ 33
3.3 BASIC MEASUREMENT METHODS ..................................................................................................................... 36
3.3.1 Basic operation instructions..................................................................................................................... 36
3.3.2 Basic operation examples......................................................................................................................... 41
3.4 DATA MANAGEMENT........................................................................................................................................ 46
3.4.1 Working state saving/calling.................................................................................................................... 46
3.4.2 Data saving/calling .................................................................................................................................. 48
3.4.3 Screenshot printing/saving....................................................................................................................... 51
4. Operating Instruction ....................................................................................................................... 55
4.1 FUNCTION OPERATION GUIDE........................................................................................................................... 55
4.1.1 Introduction of measurement modes and functions.................................................................................. 55
4.1.2 Operation guidance for parameter setting of common measurement...................................................... 56
4.1.3 Operation guidance on general analysis and display function................................................................ 81
4.2 ADVANCED OPERATION GUIDE......................................................................................................................... 88
4.2.1 Multi-signal measurement........................................................................................................................ 89
4.2.2 Distortion measurement........................................................................................................................... 98
4.2.3 Measure small signals............................................................................................................................ 107
4.2.4 Increase frequency resolution and accuracy by using frequency count function................................... 112
4.2.5 Noise signal measurement...................................................................................................................... 114
4.2.6 AM signal demodulation ........................................................................................................................ 117
4.2.7 Drift signal measurement....................................................................................................................... 123
4.2.8 Improvement of amplitude measurement accuracy by amplitude correction function........................... 126
4.2.9 Time gate measurement.......................................................................................................................... 128
4.2.10 Channel power ..................................................................................................................................... 142

4051 Series Signal/Spectrum Analyzer
Contents
2
4.2.11 Occupied Bandwidth ............................................................................................................................ 144
4.2.12 Adjacent Channel Power...................................................................................................................... 146
4.2.13 Power Statistic...................................................................................................................................... 150
4.2.14 Burst Power.......................................................................................................................................... 154
4.2.15 Harmonic Distortion ............................................................................................................................ 156
4.2.16 Three-order intermodulation (TOI)...................................................................................................... 158
4.2.17 Spurious emission................................................................................................................................. 160
4.2.18 Spectral emission mask ........................................................................................................................ 162
4.2.19 Display and limit lines.......................................................................................................................... 164
5 Menu................................................................................................................................................ 167
5.1 MENU STRUCTURE ......................................................................................................................................... 167
5.1.1 General................................................................................................................................................... 168
5.1.2 Spectrum Analysis .................................................................................................................................. 173
5.1.3 Channel power ....................................................................................................................................... 198
5.1.4 Occupied Bandwidth .............................................................................................................................. 214
5.1.5 Adjacent Channel Power........................................................................................................................ 230
5.1.6 Power Statistic........................................................................................................................................ 248
5.1.7 Burst Power............................................................................................................................................ 264
5.1.8 Harmonic Distortion .............................................................................................................................. 280
5.1.9 Three-order intermodulation (TOI)........................................................................................................ 296
5.1.10 Spurious emission................................................................................................................................. 312
5.1.11 Spectral emission mask ........................................................................................................................ 329
5.2. DESCRIPTION OF MENU ................................................................................................................................. 346
5.2.1 General................................................................................................................................................... 346
5.2.2 Spectrum Analysis .................................................................................................................................. 355
5.2.3 Channel power ....................................................................................................................................... 441
5.2.4 Occupied Bandwidth .............................................................................................................................. 462
5.2.5 Adjacent Channel Power........................................................................................................................ 482
5.2.6 Power Statistic........................................................................................................................................ 510
5.2.7 Burst Power............................................................................................................................................ 519
5.2.8 Harmonic Distortion .............................................................................................................................. 538
5.2.9 Three-order intermodulation (TOI)........................................................................................................ 551
5.2.10 Spurious emission................................................................................................................................. 570
5.2.11 Spectral emission mask ........................................................................................................................ 588
6 Remote control................................................................................................................................. 611
6.1 BASIS OF REMOTE CONTROL ......................................................................................................................... 611
6.1.1 Remote Control Interface....................................................................................................................... 611
6.1.2 Message.................................................................................................................................................. 613
6.1.3 SCPI Command...................................................................................................................................... 614
6.1.4 Command Sequence and Synchronization.............................................................................................. 621
6.1.5 Status Report System.............................................................................................................................. 622
6.1.6 Programming Precautions..................................................................................................................... 625
6.2 PROGRAMMED PORT AND CONFIGURATION OF INSTRUMENT........................................................................ 625
6.2.1 LAN......................................................................................................................................................... 625
6.2.2 GPIB....................................................................................................................................................... 626
6.3 BASIC PROGRAMMING METHOD OF VISA INTERFACE .................................................................................. 627
6.3.1 Install VISA library ................................................................................................................................ 627