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ID: P08-100574

Keysight N9040B-526

Q: How to measure phase noise with a signal analyzer?

Phase noise is a type of signal that often disrupts or interferes with wireless communication. It is a problem for devices that operate in the wireless frequency spectrum. If phase noise is common across specific frequencies, it can drown out other signals. There are many different types of phase noise, and each one can affect your wireless technology differently. A signal analyzer measures the phase noise across different frequencies. The device will help you to determine whether your intended wireless communication needs some sort of interference protection. To measure your device's phase noise with a signal analyzer, you can attach the device to the input of your receiver. This will allow the signal analyzer to calculate how much phase noise is being sent through your wireless communication devices.

Q: How to measure return loss with a signal analyzer?

The return loss is the measurement of how much signal is reflected or wasted at a particular point. It is a measurement of how much energy is being lost in transmission. You can measure return loss with a spectrum analyzer which may enable you to improve the power and efficiency of your wireless connection. If the return loss is too high, it could indicate power-management issues within your system. A signal analyzer can help you determine whether the return loss is too high, and help you find any hardware issues needing to be resolved. The device can notify you when your power-management settings fall below requirements for successful wireless communication. To test a device’s return loss with a signal analyzer, plug the spectrum analyzer into the end of a coaxial cable connected to your intended transmitter. The device will determine how much signal is lost after it goes through the cable and exits to reach its intended recipient.

2 Hz to 26.5 GHz

ID: P08-100574

Instrument may vary

Keysight N9040B-526

2 Hz to 26.5 GHz

Refurbished, like New

Calibrated + Measurement Report

Like New Warranty

KeysightCare available

Accessories Included

Configurable

List Price USD 163,571.00 Save 50%
USD 81,785.50 Excl. taxes.

4 x N2843 500MHz passive probes
1 x N2756A 16 channel MSO cable
Software application bundle
1 Year Keysight Warranty
Recent Calibration Certificate

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Keysight Premium Used

Keysight N9040B-526

2 Hz to 26.5 GHz

Configuration:	526, B5X, CNF Customization available
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Accessories	Standard accessories included

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526	Frequency Range, 2 Hz to 26.5 GHz	Installed
B5X	Analysis bandwidth, 510 MHz	Installed
CNF	RF input, type-N, female	Installed

12M		On request
1CM	Rack mount flange kit 265.9mm H (6U) - two flange brackets, two standard rails	On request
1CP	Rack mount flange and handle kit 265.9mm H (6U) - two brackets, handles, rails	On request
24M		On request
2CM	Rack mount flange kit 265.9mm H (6U) - two flange brackets, two standard rails, DARK COLORS	On request
2CP	Rack mount flange and handle kit 265.9mm H (6U) - two brackets, handles, rails, DARK COLORS	On request
36M		On request
60M		On request
A6J	ANSI Z540 compliant calibration	On request
ALV	Auxiliary log video output	On request
N90EMQAMB	WLAN 4096QAM modulation	On request
AMG	Calibration + Uncertainties + Guardbanding (Accredited)	On request
B25	Analysis Bandwidth, 25 MHz (standard)	On request
B2X	Analysis bandwidth, 255 MHz	On request
B40	Analysis bandwidth, 40 MHz	On request
B5X	Analysis bandwidth, 510 MHz	On request
N90EMRBEB	Resolution Bandwidth Extended	On request
C12		On request
C36		On request
C60		On request
CRP	Connector Rear, Programmable IF output	On request
N90E1EDPB	Enhance Display Package	On request
N90EMEDPB		On request
N90EMTDSB	Time Domain Scan	On request
DVR	USB DVD-ROM/CD-R/RW drive	On request
EA3	Electronic attenuator, 3.6 GHz	On request
KB2	USB keyboard Smaller keyboard	On request
M01		On request
M02		On request
M03		On request
N9061EM0E	Remote Language Compatibility Measurement Application	On request
N9062EM0E	SCPI Language Compatibility Measurement Application	On request
N9063EM0E	Analog Demodulation Measurement Application	On request
N9067EM0E	Pulse Analysis Measurement Application	On request
N9068EM0E	Phase Noise Measurement Application	On request
N9069EM0E	Noise Figure Measurement Application	On request
N9071EM0E	GSM/EDGE/Evo Measurement Application	On request
N9073EM0E	W-CDMA/HSPA+ Measurement Application	On request
N9077EM0E	WLAN 802.11a/b/g/j/p/n/af/ah Measurement Application	On request
E9068EM0E		On request
N6141EM0E	EMI Measurement Application	On request
N9080EM0E	LTE and LTE-Advanced FDD Measurement Application	On request
N9054EM0E	Vector Modulation Analysis Digital Demodulation Measurement Application	On request
N9081EM0E	Bluetooth (TM) Measurement Application	On request
N9082EM0E	LTE and LTE-Advanced TDD Measurement Application	On request
N9084EM0E	Short Range Communications and IoT Measurement Application	On request
N9085EM0E	5G NR Measurement Application	On request
N9054EM1E	Vector Modulation Analysis Custom OFDM Application	On request
N9080EM3E	NB-IoT and eMTC FDD Measurement Application	On request
N9077EM3E	WLAN 802.11ac/ax Measurement Application, limited	On request
N9077EM4E	WLAN 802.11be Measurement Application, limited	On request
N9080EM4E	LTE V2X measurement application	On request
N90EMEMCB	Basic EMC Functionality	On request
MLP	Minimum loss pad, 50 to 75 ohms	On request
MSE	Mouse, USB	On request
P08	Preamplifier, 8.4 GHz	On request
P13	Preamplifier, 13.6 GHz	On request
P26	Preamplifier, 26.5 GHz	On request
N90EMFP2B	Fast power	On request
P44	Preamplifier, 44 GHz	On request
P50	Preamplifier, 50 GHz	On request
RTR	Real-time spectrum recorder and analyzer application example	On request
RTS	REAL TIME DATA STREAMING	On request
N90EMESCB	External Source Control	On request
SF1	Security features, exclude launching programs	On request
SF2	Security features, prohibit saving results	On request
SF3	Security feature, secure RAM disk boot	On request
N90EMPSMB	Power Suite Measurement Application	On request
N90EMFT1B	Frequency Mask Trigger, Basic Detection	On request
N9040RT1B	Real-time analysis up to maximum available BW, Basic Detection	On request
N9040RT2B	Real-time analysis up to maximum available BW, Optimum Detection	On request
N90EMFT2B	Frequency Mask Trigger, Optimum Detection	On request
N90EMDUAB	Duplex IF RTSA	On request
W10		On request
YAV	SCREEN VIDEO, LOG VIDEO AND LINEAR VIDEO	On request

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See the Real Performance of Your Design

The ultimate performance of our UXA signal analyzers lets you characterize today’s most challenging signals — fast-hopping, wideband, transient — in 5G, 802.11ax/ay, satellite, radar, electronic warfare, and more. You will be able to fully understand the purity of your design with industry-leading phase noise and wide spurious-free dynamic range.

Get wider (up to 1 GHz), deeper views of your most challenging signals
Measure the spectral purity of your design with industry-leading phase noise and 78 dBc spurious-free dynamic range across 510 MHz bandwidth
Extend RF input frequency up to 110 GHz with Keysight smart mixers and up to terahertz frequencies with third- party solutions
Capture intermittent signals with gap-free, real-time spectrum analysis
Capture lower-level spurious signals with an improved DANL low noise path
See more and take your design farther with the 14.1-inch screen

Specifications

DANL @1 GHz: -174 dBm
Maximum Analysis Bandwidth: 1 GHz
Maximum Real-Time Bandwidth: 510 MHz
Phase Noise @1 GHz (10 kHz offset): -135 dBc / Hz
Type: Benchtop

For Keysight Premium Used listings like-new accessories (e. g. a power cord) are included.

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For separate or post-purchase ordering, please contact your local Keysight office or Keysight Partner here. Or check our online store if available for your region here.

Resources

Keysight N9040B-526 Data sheet Keysight N9040B-526 Configuration Guide Keysight N9040B-526 User Manual Keysight Terms of Sale - Spain

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Keysight N9040B-526 Spectrum Analyzers
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What are the main differences between Keysight New, Keysight Premium Used & Keysight Used equipment?

	Keysight New	Keysight Premium Used	Keysight Used
Savings	None	Up to 70%	Up to 90%
Condition	New	Like New	Working Condition ¹
Firmware	Latest	Updated	As is
Calibration	Full	Full	As listed
Accessories	New	New	As listed
Warranty	1 to 5 Years ²	Like New	90 Days Warranty
Customization	Possible	Possible	Limited

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Can I configure a unit to meet my personal needs?

Customization is generally possible with our Keysight Premium Used equipment. The majority of our Keysight Premium Used equipment can be configured just the way you need it. Options can be added at additional cost.
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Keysight Premium Used equipment typically comes with the same accessories and warranty as new products.

Can you include other accessories?

We currently only offer those accessories which are part of the listing. Other accessories can be purchased separately at extra cost with your purchase of a Keysight Used or Keysight Premium Used unit.

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Spectrum + Signal Analyzers Quick-Facts

What is a signal analyzer?

A signal analyzer is a device used to test and measure electronic signals. Types of signals can vary, including voltage, current, and radiofrequency. Signal analyzers vary in their capabilities and features, depending on the application. There are many types of signal analyzers, but the most common type is an oscilloscope. Other types include spectrum analyzers, network analyzers, and signal generators.

An oscilloscope is a device used when designing electronic systems that allows a signal to be viewed as a waveform. A spectrum analyzer measures the amplitude and frequency of signals over a specific period of time. A network analyzer analyzes circuits without having access to their design details; this can be helpful when there is a delay between creating a circuit and testing it. A signal generator generates signals which are then used by other devices.

There are many uses for a signal analyzer, depending on the type of device and features available. Some standard capabilities include:
Generating and analyzing signals
Magnifying and analyzing large signals
Displaying waveforms of varying types
Displaying the full frequency range of a signal, including visual representations of different frequencies and noise levels

Figure.1 N9042B UXA Signal Analyzer, 2 Hz to 110 GHz

Vector Signal Analyzer vs Spectrum Analyzer – What's the difference?

A signal analyzer analyzes signals that have already been generated, whereas a spectrum analyzer is used to discover frequencies or actually generate frequencies itself.

A spectrum analyzer performs real-time spectrum analysis and measures instantaneous power or peak power, voltage, or current, depending on the type of signal being analyzed. It is also often used to monitor electromagnetic interference in circuits and devices.

On the other hand, a signal analyzer can only measure signals that are already present; it cannot be used to discover or analyze frequencies. Its purpose is to help the user identify electronic circuit problems and understand how the circuit is performing.

Signal Analyzer vs Oscilloscope – What's the difference?

The main difference between a signal analyzer and an oscilloscope is that a signal analyzer analyzes the voltage of a signal over a specific period of time. In contrast, an oscilloscope extracts the timing information of a signal.

An oscilloscope is a type of signal analyzer used to measure voltage signals over time. It has various features, including analog and digital functions, advanced triggering capabilities, and connectivity options. It is used to analyze signals from many different sources, such as time-domain signals, frequencies from radiofrequencies, or extremely low-frequency sources.

A signal analyzer is used to analyze signals that have already been generated. A signal analyzer is often used to monitor electromagnetic interference in circuits and devices, whereas an oscilloscope can only measure signals that are already present.

Figure. 2 Oscilloscope vs. Signal Analyzer

Read our oscilloscope basics guide to learn more about oscilloscopes and their uses. To see our full range of new and used oscilloscopes, visit our product listing page.

Signal Analyzer vs. Vector Network Analyzer – What's the difference?

A network analyzer is used to test the performance of wired or wireless networks by examining both transmitted and received signals. Unlike a signal analyzer, it performs advanced analysis of both transmitted and received signals. It is different from a signal analyzer because it performs a live, real-time, analysis of signals on the device under test. In contrast, a signal analyzer only analyzes data after the signal has been created.

A network analyzer can also perform analysis and detect problems that prevent a signal from reaching its destination. For example, it can detect issues with cabling, connectors, or faulty equipment. It can also help resolve RF spectrum and Wi-Fi issues, such as interference and signal loss.

A signal analyzer is used by engineers to identify problems in electronic circuits and to understand how a circuit is behaving; for example, monitoring electromagnetic interference between multiple signals or devices. This makes it useful for testing and debugging circuits that use radio signals or other powerful sources of potential interference.

How to measure antenna impedance with a signal analyzer?

An antenna's impedance refers to the way it responds to signals from specific frequencies. If you want to know what sort of wireless signal a device is sending, you should evaluate the antenna's impedance with a spectrum analyzer. The device would help you determine whether or not your antenna is being affected by noise, which can negatively impact performance.

To measure your antenna's impedance, you can attach a spectrum analyzer to the end of the coaxial cable connected to the back of your antenna. The device will then calculate the impedance being transmitted once it goes through your coaxial cable.

Figure.3 Coaxial cable for Signal Analyzer

How to measure phase noise with a signal analyzer?

Phase noise is a type of signal that often disrupts or interferes with wireless communication. It is a problem for devices that operate in the wireless frequency spectrum. If phase noise is common across specific frequencies, it can drown out other signals.

There are many different types of phase noise, and each one can affect your wireless technology differently. A signal analyzer measures the phase noise across different frequencies. The device will help you to determine whether your intended wireless communication needs some sort of interference protection.

To measure your device's phase noise with a signal analyzer, you can attach the device to the input of your receiver. This will allow the signal analyzer to calculate how much phase noise is being sent through your wireless communication devices.

How to measure return loss with a signal analyzer?

The return loss is the measurement of how much signal is reflected or wasted at a particular point. It is a measurement of how much energy is being lost in transmission. You can measure return loss with a spectrum analyzer which may enable you to improve the power and efficiency of your wireless connection.

If the return loss is too high, it could indicate power-management issues within your system. A signal analyzer can help you determine whether the return loss is too high, and help you find any hardware issues needing to be resolved. The device can notify you when your power-management settings fall below requirements for successful wireless communication.

To test a device’s return loss with a signal analyzer, plug the spectrum analyzer into the end of a coaxial cable connected to your intended transmitter. The device will determine how much signal is lost after it goes through the cable and exits to reach its intended recipient.

For additional information about how to use your spectrum analyzer to measure return loss, view “Features Resources” for a technical overview of a basic spectrum analyzer as well as an example of how to measure the return loss of an antenna.