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AV4051 series signal/spectrum analyzer has excellent performance in test dynamic range, phase noise, amplitude accuracy, and test speed. AV4051 series has various test functions including: high-sensitivity spectrum analysis, power measurement, IQ analysis, transient analysis, pulse parameter analysis, audio frequency analysis, analog demodulation measurement, and phase noise test etc., which can provide you reliable high-performance test service. AV4051 series has good extension capacity. Its performance can be further improved by flexible configuration of different options. Through various digital and analog signal output interfaces, the spectrum analyzer can be taken to establish test systems or get secondary development. It can be widely used for signal and equipment test in field of aviation, aerospace, radar detection, communication, electronic countermeasures, and navigation etc.
● Wide frequency range
  ● Max. 200MHz analyzing bandwidthMax.signal analysis bandwidth:200MHz
  ● Excellent test & receiving performance
  ● Comprehensive spectrum analysis capability 
  ● Transient analysis and signal playback
  ● Abundant optional functions
  ● Flexible analog & digital signal output interface
  ● Easy & convenient operation
Wide frequency range
  ● Covering coaxial frequency range up to 50GHz.
  ● 8 optional frequency band configuration, more economical 
  ● Can be configured with broad frequency band preamplifier corresponding to the frequency band of main unit.
● The frequency can be extended up to 500GHz (with external frequency extension option).
Maximum 200MHz analyzing bandwidth
● Provide 3 analyzing bandwidth configuration: 10MHz (standard), 40MHz, 200MHz etc.
● The bandwidth can be flexibly selected: from 10Hz to 200MHz, more than 40 levels.
● According to the selected bandwidth, the seamless capture time differs from 2s to several hours.  
Excellent test & receiving performance 
● 1GHz measurement DANL is -156dBm/Hz;  with preamplifier on, the typical value is -167dBm/Hz
● 50GHz measurement DANL is -141dBm/Hz; configured with preamplifier, the typical value is -150dBm/Hz
● Full digital IF design, excellent scale fidelity and IF error. 

 
Comprehensive spectrum analysis capability
  ● Support frequency sweep and FFT sweep.
  ● Zero frequency band fast sweep, the fastest sweep time is 1µs
  ● Accurate frequency counting, counting resolution can be 0.001Hz
  ● Sweep point number can be arbitrarily selected among 101~30001
  ● Can be configured with 6 traces, have abundant marker operation functions 
  ● 6 wave-detection modes, 3 average types
● Time gate measurement support
● Occupied bandwidth, channel power, adjacent channel power test functions
● Test functions of power statistics, burst power, harmonic distortion, TOI, spurious emission etc. 

Transient analysis and signal playback analysis
  ● Frequency-domain and time-domain correlation test is helpful for understanding and deeply analyzing transient signal events.
  ● Waterfall diagram display, analyzing the macroscopic law of analysis signal spectrum changing over time.
  ● Simultaneously analyze the changes of analysis signal frequency, amplitude, and phase over time, to assist the test in the process of power control and frequency locking.
● Support 250M samples (64bits accuracy) seamless capture data storage
● Support multiple storage formats of signal files: CSV, DAT etc.
● Support the playback analysis of signal files

Plentiful optional functions
  ● Phase noise test function
● Analog demodulation analysis function
● Transient analysis function
  ● Pulse signal analysis function
  ● Audio frequency analysis
● External mixer test covering up to 325GHz 

Flexible analog & digital signal output interfaces
● 275MHz~475MHz high/intermediate frequency output, 1 Hz frequency stepping.
● 10MHz~160MHz IF output, 1Hz frequency stepping, 4-gear automatic gain control level 
● Digital reconstruction signal output, provide IF, AM/FM demodulation and IQ demodulation signal output
● Digital signal output, 1X or 4X optical fiber output channel, real-time data interface to record broadband IQ data
● External-built digital recorder, support two media type: SSD and HDD
 
 Easy & convenient operation
● Support both Chinese and English
● Humanized automatic tuning and automatic scale
● One-click measurement
● 10.1 inch LCD with 1280*800 resolution, to display the measurement results more clearly
● Support multiple auxiliary interfaces of USB, LAN, GPIB, monitor etc. for user’s convenience
● Comprehensive performance assessment of electronic system
As a multifunctional signal/spectrum analyzer, AV4051 can be widely used for the comprehensive performance assessment of electronic systems in fields of radar and communication etc., which provides high-sensitivity, large dynamic range, high-precision, and high-efficiency solutions.
● Test and diagnosis of transmitter and receiver: 
With the functions of spectrum analysis, spectral power analysis, multi-domain analysis, phase noise test, AV4051 can provide comprehensive diagnosis service for transmitter and receiver test.
● Can be directly used for the integration of complex test & diagnosis systems, and provide signal output, data output and result analysis for the system.
 


Model AV4051A/AV4051B/AV4051C/AV4051D/AV4051E/AV4051F/AV4051G/AV4051H
Frequency range 3Hz~4GHz/9GHz/13.2GHz/18GHz/26.5GHz/40GHz/45GHz/50GHz
10MHz
Precise frequency reference
Frequency accuracy: ± (last calibration date × aging rate + temperature stability + calibration accuracy)
Aging rate: ± 1´10-7/year
Temperature stability: ± 1.5´10-8 (20°C ~ 30°C) ± 5´10-8 (0°C ~ 55°C) (±1.5´10-8)
Calibration accuracy: ± 4 ´10-8
Frequency readout accuracy ± (frequency readout × frequency reference accuracy+0.1% frequency band+5% resolution bandwidth+2Hz+0.5 horizontal resolution*
*: horizontal resolution = span/ (sweep points number – 1)
Frequency counting accuracy ± (frequency readout × frequency reference accuracy+0.1Hz)
Span Range:0Hz (zero span), 10Hz~the highest frequency of the model
Accuracy: ± (0.1%× span+span/ (sweep points number-1))
Sweep time range span≥10Hz: 1ms~4000s
span=0Hz: 1us~6000s
Resolution bandwidth Range: 1Hz~3MHz (1, 2, 3, 5 stepping)  4, 5, 6, 8, 10MHz
Conversion uncertainty:  £ ± 0.3dB
Video bandwidth 1Hz~3MHz (1, 2, 3, 5 stepping)  4, 5, 6, 8, 10MHz (rated value) 
Signal analyzing bandwidth 10Hz~10MHz (standard), 40MHz (option), 200MHz (option)
Memory depth 500MSamples
Trigger mode Free, power source, video, external level (front panel), external level (back panel), burst RF, timer
Wave-detection mode Normal, positive peak, negative peak, sampling,video average power average, voltage average
SSB phase noise
(1GHz carrier,20°C ~ 30°C)
Frequency offset Feature Typical
100Hz -96dBc/Hz -105dBc/Hz
1kHz -115dBc/Hz -118dBc/Hz
10kHz -125dBc/Hz -129dBc/Hz
100kHz -125dBc/Hz -129dBc/Hz
Residual FM (central frequency 1 GHz, resolution bandwidth 10Hz, video bandwidth 10Hz) ≤(0.25 Hz x N) p-p,the rated value within 20 ms
N is the number of frequency multiple times of LO 
Displayed average noise level (the input end is connected to match load, sampling or average wave detection, the average type is logarithm, 0dBinput attenuation, RF gain takes the DANL as the priority, 20°C ~ 30°C) Frequency range Feature Typical
10MHz~1GHz -153dBm/Hz -156dBm/Hz
1GHz~2GHz -151dBm/Hz -154dBm/Hz
2GHz~3GHz -150dBm/Hz -153dBm/Hz
3GHz~3.6GHz -148dBm/Hz -151dBm/Hz
3.6GHz~4GHz -145dBm/Hz -148dBm/Hz
4GHz~4.4GHz -148dBm/Hz -152dBm/Hz
4.4GHz~9GHz -150dBm/Hz -152dBm/Hz
9GHz~18GHz -148dBm/Hz -151dBm/Hz
18GHz~26.5GHz -143dBm/Hz -146dBm/Hz
26.5GHz~40GHz -138dBm/Hz -144dBm/Hz
40GHz~50GHz -133dBm/Hz -141dBm/Hz
Frequency range With preamplifier (on) With preamplifier (on,typical)
10MHz~1GHz -162dBm/Hz -164dBm/Hz
1GHz~2GHz -162dBm/Hz -165dBm/Hz
2GHz~3GHz -160dBm/Hz -164dBm/Hz
3GHz~3.6GHz -156dBm/Hz -163dBm/Hz
3.6GHz~4GHz -155dBm/Hz -162dBm/Hz
4GHz~4.4GHz -155dBm/Hz -164dBm/Hz
4.4GHz~9GHz -155dBm/Hz -164dBm/Hz
9GHz~18GHz -154dBm/Hz -160dBm/Hz
18GHz~26.5GHz -154dBm/Hz -157dBm/Hz
26.5GHz~40GHz -150dBm/Hz -152dBm/Hz
40GHz~50GHz -145dBm/Hz -150dBm/Hz
Frequency response & absolute amplitude accuracy (10dB attenuation,
20°C ~ 30°C)
Frequency range Feature Typical feature
3Hz~20MHz <±0.7dB <±0.5dB
20MHz~2GHz <±0.5dB <±0.4dB
2GHz~3.6GHz <±0.7dB <±0.5dB
3.6GHz~4GHz <±1.0dB <±0.8dB
4GHz~9GHz <±1.5dB <±0.9dB
9GHz~18GHz <±2.0dB <±1.0dB
18GHz~26.5GHz <±2.5dB <±1.2dB
26.5GHz~40GHz <±3.0dB <±1.8dB
40GHz~50GHz <±3.0dB <±2.0dB
Frequency range Preamplifier on/off Preamplifier on/off (typical)
3Hz~20MHz <±1.2dB/±1.5dB <±0.6dB/±0.6dB
20MHz~2GHz <±1.0dB/±1.5dB <±0.6dB/±0.8dB
2GHz~3.6GHz <±1.2dB/±1.5dB <±0.6dB/±0.9dB
3.6GHz~4GHz <±1.5dB/±1.8dB <±1.0dB/±1.2dB
4GHz~9GHz <±2.0dB/±2.5dB <±1.3dB/±1.5dB
9GHz~18GHz <±2.5dB/±3.0dB <±1.5dB/±1.6dB
18GHz~26.5GHz <±3.0dB/±3.5dB <±1.6dB/±1.8dB
26.5GHz~40GHz <±3.5dB/±4.0dB <±2.2dB/±2.3dB
40GHz~50GHz <±3.5dB/±4.0dB <±2.4dB/±2.6dB
Absolute amplitude accuracy (10 dB attenuation, 20°C ~ 30°C, 1 Hz ≤resolution bandwidth≤ 1 MHz, input signal -10 ~ -50 dBm):
±0.24dB                  500MHz
± (0.24dB+frequency response)   all frequency
1dB gain compression (mixer level, dual-tone test, resolution bandwidth is 5kHz, 3MHz frequency interval, 20°C ~ 30°C) Frequency range Feature
20MHz~40MHz -3dBm
40MHz~200MHz +1dBm
200MHz~4GHz +3dBm
4GHz~9GHz -1dBm
9GHz~50GHz +1dBm
TOI distortion (
input mixer 2 -10dBm signal test, frequency interval is 50kHz,20℃~30℃)
Frequency range Feature Typical feature
10MHz~200MHz +13dBm +15dBm
200MHz~4GHz +13dBm +16dBm
4GHz~9GHz +11dBm +15dBm
9GHz~18GHz +13dBm +15dBm
18GHz~50GHz +13dBm +17dBm
Residual response
(the input end is connected to match load, 0dB attenuation)
-100dBm               200kHz~9GHz
-100dBm (rated value)     other frequency
Dimensions W×H×D= 498mm×192mm×532mm (including handle, foot-pad, bottom feet)
W×H×D= 426mm×177mm×460mm (excluding handle, foot-pad, bottom feet)
Weight About 25kg (different configuration cause different weight) 
Power supply AC 220/240V: 50/60Hz
Power consumption Standby: less than 20W; operating: less than 400W
Temperature range Operating temperature: 0°C ~ +50°C; storage temperature: -40°C ~ +70°C
Input connector AV4051A/B/C/D: type N (female), impedance: 50Ω
AV4051E: 3.5mm (male), impedance: 50Ω
AV4051F/AV4051G/AV4051H: 2.4mm (male), impedance: 50Ω
Notes:
1. Rated values refer to the estimated performance, or the performance which is useful for the product beyond the warrant range. 
2. Typical value refers to other performance information beyond the product guarantee range; when the performance is over the technical index, 80% of the samples will present 95% confidence within 20°C ~ 30°C temperature range; typical performance excludes test uncertainty 
Main unit:
AV4051A  signal/spectrum analyzer  3Hz~4GHz
AV4051B  signal/spectrum analyzer  3Hz~9GHz
AV4051C  signal/spectrum analyzer  3Hz~13.2GHz
AV4051D  signal/spectrum analyzer  3Hz~18GHz
AV4051E  signal/spectrum analyzer  3Hz~26.5GHz
AV4051F  signal/spectrum analyzer  3Hz~40GHz
AV4051G  signal/spectrum analyzer  3Hz~45GHz
AV4051H  signal/spectrum analyzer  3Hz~50GHz

Standard accessories:
No. Name Remark
1 Power cord Standard 3-core power cord
2 USB mouse  
3 User manual  
4 Programming manual  
 
l Options:
No. Description Function
AV4051-H01 Back panel RF input To post position the RF signal input interface 
AV4051-H02 High/intermediate frequency output Output secondary IF signal, output frequency range is 275MHz ~ 475MHz, stepping resolution is 1Hz.
AV4051-H03 IF output Output third IF signal, output frequency range is 10MHz ~ 160MHz, stepping resolution is 1Hz。
AV4051-H04A Reconstruction IF/video signal output To realize IF, AM/FM or I/Q signal output in form of digital reconstruction, the bandwidth upper limit is 40MHz. (note: H04A and H04B can be selected at the same time)
AV4051-H04B Wide band reconstruction IF/video signal output To realize IF, AM/FM or I/Q signal output in form of digital reconstruction, bandwidth range is 50MHz~100MHz. (note: H04B can only be selected when option H38B with 200MHz broadband is selected; H04A and H04B can be selected together)
AV4051-H08 Wide band logarithm wave-detection output To output the logarithm wave-detection signal which can reflect the input signal level characteristics)
AV4051-H12A 40MHz bandwidth digital interface To output real-time broadband collecting data through optical fiber, support max. 400MHz bandwidth signal data output. (note: H12A cannot be selected when H38B has been selected; once this option is selected, H12B and H39 cannot be selected)
AV4051-H12B 200MHz bandwidth digital interface To output real-time broadband collecting data through optical fiber, support max. 200MHz bandwidth signal data output. (note: H12B can only be selected when option H38B with 200MHz broadband is selected;once this option is selected, H12B and H39 cannot be selected)
AV4051-H15 +24V DC power supply +24V DC power supply
AV4051-H22A AV4711 data recorder Configured with SSD data recorder (have same interface characteristics) to realize real-time large-capacity recording of signal data. (Note: A22A can only be selected together with H12A or H12B. For the recorder capacity selection, please refer to AV4711 recorder data sheet).
AV4051-H22B AV4712 data recorder Configured with HDD data recorder (have same interface characteristics) to realize real-time large-capacity recording of signal data. (Note: A22B can only be selected together with H12A or H12B. For the recorder capacity selection, please refer to AV4712recorder data sheet). 
AV4051-H33 Electronic attenuator Frequency range: 3Hz~4GHz, attenuation range: 30dB, 1dB stepping.
AV4051-H34-04
AV4051-H34-09
AV4051-H34-13
AV4051-H34-18
AV4051-H34-26
AV4051-H34-40
AV4051-H34-45
AV4051-H34-50
Low-noise preamplifier Can select low-waveband preamplifier or full-waveband preamplifier. When you select full-waveband preamplifier, we provide above 4 GHz frequency band noise optimization path. (Note: the No. of low-waveband preamplifier is H34-04. The full-waveband preamplifier should be selected according to the frequency upper limit of the main unit. For example, the max. frequency of AV4051E is 26.5GHz, then the full-waveband preamplifier H34-26 should be selected)
AV4051-H36 Pre-selector bypass The tracking pre-selector in the bypass receiving channel. (option H36 is needed together with H38A or H38B to provide the best wideband signal receiving characteristics)
AV4051-H38A 40MHz analyzing bandwidth Support 10Hz~40MHz analyzing bandwidth.
(note: option H38B and option H36 should be selected together to provide the best wideband signal receiving characteristics, H38B and H38A are no need to be selected at the same time)
AV4051-H38B 200MHz analyzing bandwidth Support 10Hz~200MHz analyzing bandwidth.
(note: option H38B and option H36 should be selected together to provide the best wideband signal receiving characteristics) 
AV4051-H39 Audio analysis Realize audio frequency signal parameter test, distortion test and waveform analysis (note: option H12A and H12B cannot be selected when selecting this option)
AV4051-H40 External frequency extension To extend the frequency range using external frequency mixing method. This option provides LO output and IF input, as well as signal recognition ability. 
(this option can be selected when the main unit is not AV4051A: the extended frequency range depends on the selected extension module, the frequency extension module needs to buy additionally)
AV4051-S04 Phase noise test SSB phase noise curves and single-point phase noise test.
AV4051-S09 Analog demodulation analysis modulation characteristics and distortion characteristics analysis of AM, FM, PM signals
AV4051-S10 Transient analysis To realize the test & analysis of transient parameters, spectrum, and time-varying characteristics of signals, support playback of the recorded data.
AV4051-S13 Pulse signal analysis  Automatic test on time, level and modulation parameters of pulse waveform and statistical analysis of pulse sequence
AV4051-H98 English options English panels, user manual, operation interface, and operation system. Power supply: AC 100/115V:50/60/400Hz; AC 220/240V:50/60Hz
AV4051-H99 Aluminum transportation case High-strength lightweight aluminum transportation case, with handle and roller, convenient for transportation
 
 
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