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Revolutionize Your Projects with Keysight Refurbished Arbitrary Waveform Generators: A Buying Guide

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Every electrical engineer knows the heart-pounding moment when they flip the switch for the first time on a newly developed circuit. Will it function as expected? Often, the success of that moment hinges on the precise testing and calibration of the components involved. And that's where Arbitrary Waveform Generators (AWGs) step in.

Arbitrary waveform generators play a pivotal role in electrical projects. Whether you're stress-testing a new design, validating a component's performance, or debugging an embedded system, an AWG serves as your right hand, ensuring that your designs meet the rigorous demands of the real world.

But let's face it: high-quality equipment often comes with a hefty price tag. That's where refurbished units come to the rescue. Choosing a refurbished Keysight AWG doesn't just save you money; it offers an eco-friendly option without compromising on performance. 

In the sections that follow, we'll delve deeper into why a refurbished Keysight arbitrary waveform generator might be the game-changer your projects have been waiting for.

Quick Intro: What is an Arbitrary Waveform Generator?

An arbitrary waveform generator (AWG) isn't just another tool on an engineer's bench—it's a game-changer. At its core, an AWG produces electrical waveforms. But unlike other generators, it doesn't limit you to standard waveforms like sine, square, or triangle waves. 

Instead, AWGs allow you to create and generate any waveform, defined point by point over time. This ability to craft custom waveforms means engineers can simulate real-world signals with unparalleled precision.

Modern electronics heavily rely on AWGs. As electronics become more advanced and diverse, the need for customized signals to test, calibrate, and debug these devices increases. 

AWGs play a crucial role in:

  • Research and development: Engineers use AWGs in the early stages of product development to simulate various scenarios, ensuring designs are robust and resilient.
  • Communications: With the growing complexity of communication signals, especially in 5G and other advanced technologies, AWGs help in testing and validating communication equipment.
  • Signal processing: For modern electronics employing advanced algorithms, AWGs generate signals that help in algorithm development and validation.
  • Defense and aerospace: AWGs create radar and other signals to test equipment, ensuring they operate correctly under diverse conditions.

In short, AWGs have become indispensable in our digital age, ensuring that devices and systems work flawlessly, regardless of the challenges they face.

Why Consider Refurbished Equipment?

Let's break down the benefits and features of refurbished AWGs compared to brand-new models. Though new models have their own set of advantages, there's a strong case to be made for refurbished units, especially when they come from a trusted source like Keysight.

FeatureRefurbished AWGsBrand-New AWGs
CostSignificantly reduced, offering great value for money.Typically higher, reflecting the brand-new condition.
PerformanceFully tested and calibrated to meet original specifications.High performance as expected.
WarrantyIncludes a warranty, similar to new units.Comes with a manufacturer's warranty.
Environmental ImpactEco-friendly due to recycling and reduced waste.Manufacturing new units consumes more resources.
AvailabilityImmediate availability of older but reliable models.Latest models might have wait times or be out of stock.
Quality AssuranceUndergoes rigorous quality checks and refurbishment.Quality checked as part of the manufacturing process.
Support and DocumentationFull support and documentation, similar to new units.Comes with manufacturer support and documentation.


Common Misconceptions About Refurbished Equipment and Their Counterarguments

  1. Misconception: Refurbished means lower quality.
    • Counterargument: Refurbished equipment from reputable sources undergoes rigorous testing and calibration to ensure it meets or even exceeds original specifications.
  2. Misconception: Refurbished devices have a shorter lifespan.
    • Counterargument: With proper maintenance and care, refurbished units can last just as long as brand-new ones.
  3. Misconception: Refurbished equipment comes with limited support.
    • Counterargument: Most trusted manufacturers offer full support, documentation, and even training for their refurbished products.
  4. Misconception: Refurbished products lack the latest features.
    • Counterargument: Many refurbished units are recent models that contain modern features. Even if a model is older, it might still have all the necessary capabilities for many applications.

By understanding the truth behind these misconceptions, you can make an informed decision and get great value from refurbished equipment without compromising on quality or performance.

Economic Benefits

When considering the acquisition of high-quality equipment for projects, the associated costs often weigh heavily on the decision-making process. 

Refurbished equipment emerges as an enticing option in this context, and here's why:

  • Upfront savings: One of the most immediate benefits of choosing refurbished AWGs is the significant reduction in cost compared to brand-new models. Depending on the model and its age, savings can range from 20% to 50% (or even more in some cases). For budget-conscious engineers and organizations, this reduction in upfront costs can free up funds for other crucial aspects of a project.
  • Maximized value: While the price is lower, the value remains consistent. Refurbished equipment undergoes rigorous testing, calibration, and often includes upgrades to meet the latest standards. Thus, you're getting a high-quality device at a fraction of the original price.
  • Expand your equipment arsenal: The savings from opting for a refurbished unit can allow organizations to purchase additional equipment. Instead of buying one brand-new device, you might have the budget to acquire two or more refurbished ones, expanding your testing capabilities.
  • Budget allocation: With the money saved from purchasing refurbished equipment, departments can allocate funds to other critical areas such as research and development, training, or software upgrades.
  • Depreciation advantages: All equipment, new or old, experiences depreciation. By purchasing refurbished, you're buying a product that has already undergone its most significant depreciation hit, ensuring you get the most out of your equipment's value over time.
  • Enhanced return on investment (ROI): Given the lower initial investment and the high-quality performance, the ROI on refurbished equipment is often higher in comparison to new units. It translates to achieving desired outcomes without overstretching the budget.

The economic advantages of opting for refurbished AWGs are many. Not only do you benefit from substantial upfront savings, but you also ensure that every dollar spent goes further in terms of quality and performance. 

Making a savvy, budget-friendly choice doesn't mean compromising on quality—it simply means maximizing value.

Quality Assurance with Keysight

Keysight's dedication to excellence shines brightly in their meticulous refurbishment process. When you opt for a refurbished product from Keysight, you're not just getting a second-hand unit; you're investing in a product that has been rigorously checked, updated, and verified to perform just like a brand-new instrument.

 Let's explore the detailed journey a unit undergoes to meet Keysight’s renowned standards:

  1. Used unit arrives: The journey begins when the used unit is received at Keysight’s primary manufacturing site in Penang, Malaysia.
  2. Condition check: Upon arrival, the unit doesn't just go on the shelf. A comprehensive initial inspection evaluates its condition, ensuring it's a viable candidate for refurbishment.
  3. Comprehensive cleaning:  Using specialized vacuum-based technology, every inch of the device is cleaned thoroughly. And if something can't be brought up to Keysight's stringent standards, it gets replaced.
  4. Update to latest firmware and software: Once the unit's performance meets the mark, it receives updates to the latest compatible firmware and software. This ensures that the refurbished device is in sync with current technologies and can match the capabilities of a brand-new counterpart.
  5. Customization process: Keysight recognizes that one size doesn't fit all. The unit is customized to meet the specific needs of the user by integrating or removing hardware options, applications, or software options, as per the customer's requirements.
  6. Calibration and safety tests: Precision and safety are paramount. Each unit undergoes calibration to ensure its readings are accurate. Moreover, a series of safety tests guarantee that the device is not just efficient but also safe to operate.
  7. Original manuals and accessories: A refurbished unit isn't complete without its accompanying materials. It comes equipped with the same brand-new accessories and manuals that you'd expect with a fresh-off-the-shelf Keysight instrument.
  8. Final 101-point inspection: Before a unit is deemed ready for its new home, it faces one last test—a rigorous performance verification and a 101-point quality check. Curious about what those 101 points are? Get it here: 101-point checklist.
  9. Standard like-new warranty: A testament to Keysight's confidence in its refurbishment process is the warranty. Each factory-refurbished unit comes with the same warranty you'd get with a new Keysight instrument, ensuring peace of mind with your purchase.
  10. Unit packed and shipped to customer: The final step? Once the unit passes all checks with flying colors, it is carefully packaged with its accessories and sent off to its new owner, ready to make a significant impact.

With Keysight's meticulous attention to detail and commitment to quality, opting for a refurbished unit is not a gamble—it's a smart, informed choice.

Eco-Friendly Choice

Choosing refurbished equipment doesn't just make sense for your pocket—it's a decision that aligns with sustainable practices and promotes a healthier planet. Here are the specific environmental benefits of opting for refurbished products:

  1. Reduced waste: When you buy a refurbished unit, you're essentially giving a second life to an existing piece of equipment. This directly translates to fewer devices ending up in landfills and a substantial decrease in electronic waste.
  2. Lower carbon footprint: Manufacturing new equipment involves sourcing raw materials, transportation, and energy-intensive production processes. Refurbished equipment, by contrast, eliminates much of this carbon-emitting cycle, leading to a significantly lower carbon footprint.
  3. Conservation of resources: Manufacturing new units consumes a vast amount of natural resources. By choosing refurbished, you support the conservation of these valuable materials, such as rare metals and plastics, reducing the demand for resource-intensive production.

Choosing refurbished is a conscious step towards a greener future. It allows individuals and businesses to play a part in resource conservation and carbon footprint reduction, all while enjoying top-tier equipment.

Fast Delivery and Customer Support

Immediate needs require immediate solutions. This is where refurbished units truly shine:

  • Immediate availability: While new models may sometimes have production wait times or even be out of stock, refurbished units are usually ready for dispatch. This ensures that you get the equipment you need without unnecessary delays.
  • Expedited shipping: With refurbished units already in stock and primed for use, many suppliers, including Keysight, can offer expedited shipping options. This means that the equipment reaches you faster, allowing you to get on with your projects without delay.

But it's not just about getting the unit fast—it's about the continued support afterward.

  • Quality after-sales support: Keysight takes pride in not just their products, but their relationship with customers. When you buy a refurbished unit, you're not left to navigate it alone. Keysight provides top-notch after-sales support, ensuring that any questions or issues you might have get addressed promptly and professionally.

With refurbished equipment, you're not just purchasing a device; you're investing in a seamless experience—from the moment you order until well after the unit arrives at your doorstep.

Find Great Deals for Refurbished AWGs Now

  • Like-new Condition
  • Updated Firmware
  • Full Calibration
  • New Accessories
  • Like-new Warranty
  • Customization possible

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  • Savings of up to 90%
  • Working Condition
  • Calibrated or Tested
  • 30-Day Right-of-Return
  • No Customization
  • Shipping to limited countries

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Keysight Used
Configuration:
Customization available
Shipping: Limited countries only
Warranty: 90 days
Accessories Not included
For professional and industrial use only
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Top Features to Seek in a Refurbished AWG

FeatureDescriptionWhy It's Important
Signal FidelityThe accuracy with which the AWG reproduces the desired waveform without distortion.Ensures reliable and precise testing or simulation of electronic signals.
Low JitterThe short-term variations of a signal from its ideal position.Provides stable signal outputs, crucial for accurate measurements and tests.
High-Resolution OutputThe number of bits that represent each sample in a waveform.Offers more precise waveform representation, ensuring accurate and clear signal reproduction.
BandwidthThe range of frequencies that the AWG can produce or handle.Allows the device to simulate a wide variety of signals, from low-frequency to high-frequency.
Sample RateThe number of samples taken per second.Higher rates allow for more detailed waveform representation, vital for high-frequency applications.
Memory DepthThe amount of onboard memory to store waveforms.Enables longer and more complex waveforms to be generated without repetition.
Modulation CapabilitiesThe ability of the AWG to modify a base waveform in amplitude, frequency, or phase.Facilitates a range of applications, from communication testing to radar signal simulations.
User Interface & SoftwareThe ease of use and functionality of the device's interface and any accompanying software.Simplifies the process of creating, editing, and uploading custom waveforms.
Connectivity OptionsThe available ports and interfaces for connecting the AWG to other devices or networks.Provides flexibility in setting up test environments and integrating with other equipment.
Calibration & Self-Test ToolsBuilt-in tools or features that allow for self-testing and calibration of the AWG.Ensures the device remains accurate and reliable over time.

Performance and Signal Integrity

Signal integrity is crucial for arbitrary waveform generators. The quality of the signal they produce directly impacts the reliability of the results obtained in various applications.

  1. Signal fidelity: In essence, signal fidelity refers to the faithfulness of the reproduced signal. A high-fidelity AWG ensures that the output closely matches the desired waveform, free from unintended distortions. This is crucial for tasks where the precise shape and characteristics of a waveform are essential, such as in communication systems or sensitive electronic testing.
  2. Low jitter: Jitter introduces uncertainty into signal measurements, which can lead to unreliable results. Especially in high-speed digital communication systems, low jitter is vital to maintain the integrity of the transmitted data.
  3. High-resolution output: The higher the resolution, the more detailed and accurate the waveform representation. High-resolution output is especially important when simulating intricate waveforms or when a minute detail can drastically alter system behavior.
  4. Bandwidth and sample rate: The bandwidth of an AWG determines the range of frequencies it can generate. For applications like RF testing or high-speed digital communication, higher bandwidth is crucial. 

Similarly, the sample rate—how frequently the AWG takes samples of the waveform—determines how detailed the reproduced waveform is. A higher sample rate is essential for capturing the intricacies of high-frequency signals.

Understanding these features and their significance allows engineers and technicians to make informed choices, ensuring that their refurbished AWG aligns perfectly with their requirements and applications.

Memory Depth and Storage

The memory depth of an arbitrary waveform generator directly impacts the complexity and length of the waveforms it can produce. 

Here's why this feature is so importance:

  • Longer waveforms: A deeper memory translates to the AWG's ability to generate longer waveforms without repetition. This capability is especially valuable when simulating real-world signals that have non-repetitive and intricate patterns, such as those in certain communication protocols or irregular biological signals.
  • Greater complexity: More memory means the ability to reproduce waveforms with higher complexity. For engineers and researchers working on sophisticated projects, this allows for more accurate representation and study of complex signals, enhancing the reliability of their tests and experiments.
  • Storage capabilities: For engineers working on intricate projects, the AWG's storage capability becomes a boon. Being able to save a multitude of waveforms directly on the device accelerates the testing process. It eliminates the constant need to upload waveforms from external sources, making the AWG a one-stop solution for various testing scenarios.

In essence, a high memory depth and robust storage solution empower engineers to simulate real-world scenarios more accurately, making their experiments and tests more reliable and efficient.

Connectivity and Interface

Modern AWGs are more than just waveform generators—they are versatile pieces of equipment designed to seamlessly fit into the interconnected world of lab environments. Here's a breakdown of the interfaces they might offer and why they matter:

  • USB: A ubiquitous interface, USB allows for quick data transfers and easy connection to PCs and other devices. It's particularly useful for uploading custom waveforms or downloading data logs.
  • LAN: Local area network (LAN) connectivity allows AWGs to integrate into networked environments. This is ideal for labs where remote access and control over equipment is necessary.
  • GPIB (General Purpose Interface Bus): A standard interface for many older lab instruments, GPIB ensures compatibility and integration with legacy systems. It's a robust and reliable interface option, especially for complex setups.
  • Other interfaces: Some AWGs might offer additional interfaces like HDMI for display purposes, or specific digital I/O ports for specialized applications.

The main advantage of these interfaces lies in their ability to promote:

  • Seamless integration: For a lab environment to function efficiently, all pieces of equipment must communicate flawlessly. These interfaces ensure that the AWG integrates seamlessly with other lab equipment, from oscilloscopes to spectrum analyzers.
  • Software platforms: Modern experiments often involve software platforms that control equipment, gather data, or analyze results. Having versatile connectivity options ensures that the AWG can easily integrate with various software platforms, streamlining the experimental process.

In a world where the efficiency of experiments and projects often relies on the smooth interplay of various devices, the connectivity and interface capabilities of an AWG can greatly influence its utility and effectiveness in a lab setting.

User Experience and Display

In the realm of advanced lab equipment, the efficacy of a tool doesn't just depend on its raw capabilities but also on how effortlessly users can harness its power. 

Here's why a user-friendly interface and a clear display are pivotal:

  • User-friendly interface: An intuitive interface reduces the learning curve, enabling engineers and technicians to use the AWG to its fullest potential faster. This accelerates project timelines and ensures more accurate results by minimizing user errors.
  • Touchscreens: Touch-enabled screens offer direct and swift navigation, making tasks like waveform editing, setting adjustments, and data input more efficient. They provide a tactile and visual experience, which is especially handy in fast-paced lab environments.
  • Clear display: When working with complex waveforms, being able to visualize every detail on the screen is vital. A clear, high-resolution display ensures that users can see minute waveform details, adjust parameters accurately, and spot any anomalies instantly.

A seamless user experience combined with an excellent display doesn't just make the AWG easier to use—it fundamentally enhances its utility and effectiveness in various applications.

Modulation and Built-in Functions

An AWG's prowess extends beyond simple waveform generation. Modern AWGs come equipped with a plethora of modulation and built-in capabilities.

  • Signal modulation: AWGs can modulate base waveforms in multiple ways like amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM). These capabilities are indispensable in fields like telecommunications, where signals undergo various modulations to carry data.
  • Built-in functions: The convenience of having preset functions cannot be overstated. Features like noise generation assist in stress-testing electronic components, pulse sequences aid in digital system testing, and pre-installed waveforms simplify routine tests.

These modulation and built-in functions empower engineers to simulate real-world scenarios, enhancing the precision and breadth of their experiments.

Scalability and Expansion

For labs and research environments, the future always holds the promise of evolving requirements. That's where the scalability of AWGs becomes crucial.

  • Channel expansion: Some AWGs allow users to expand the number of channels, making them suitable for multi-channel experiments without the need for multiple devices. This not only saves space but also ensures synchronized operation across channels.
  • Scalable features: Whether it's adding more memory, upgrading software capabilities, or integrating additional modules, scalable features ensure that the AWG remains relevant and powerful even as project requirements grow.
  • Future-proofing: Investing in scalable equipment is a forward-thinking move. It ensures that as lab requirements diversify or expand, the equipment can adapt without necessitating frequent replacements or upgrades.

Scalability is more than just a feature—it's a commitment to long-term utility and adaptability, ensuring that labs and engineers are always equipped for the challenges of tomorrow.

Best Practices for Using Your AWG

The power of an arbitrary waveform generator isn't just in its technical specifications but also in how you use and maintain it. Proper utilization and care can significantly enhance its performance, longevity, and reliability. 

Here are some practices to make the most out of your AWG.

  1. Understand your application: Before diving into waveform generation, have a clear understanding of your application's requirements. This helps in setting the AWG to the appropriate mode and parameters, ensuring accurate results.
  2. Regular calibration: Calibration is the cornerstone of accurate measurements. Regularly calibrate your AWG, especially after long periods of inactivity or after a firmware update. 
  3. Avoid continuous operation at max capacity: Operating any electronic equipment at its maximum capacity for extended periods can lead to overheating and reduced lifespan. Use the AWG judiciously, giving it breaks during intense sessions.
  4. Stay updated: Manufacturers regularly release firmware and software updates. These often contain improvements, bug fixes, and new features. Regularly updating your AWG ensures optimal performance and added functionalities.
  5. Master the interface: Spend time familiarizing yourself with the AWG's user interface. Knowing all its features, shortcuts, and functionalities can considerably speed up tasks and improve workflow efficiency.

Essential Care and Maintenance Tips:

  • Store in appropriate conditions: Keep the AWG in a dry, dust-free environment with minimal temperature fluctuations.
  • Regularly clean: Dust and contaminants can affect performance. Use a soft brush or compressed air to clean the device's exterior and ports.
  • Monitor temperature: Ensure that the AWG's ventilation slots aren't obstructed. This prevents overheating and maintains optimal performance.
  • Handle with care: While most AWGs are robust, avoid dropping them or applying excessive force on the controls.

Proper care, combined with the right usage practices, can significantly extend the life of your AWG, ensuring reliable and accurate results for years to come.

Explore Keysight's Diverse Array of Refurbished AWGs

  • Like-new Condition
  • Updated Firmware
  • Full Calibration
  • New Accessories
  • Like-new Warranty
  • Customization possible

Learn more

  • Savings of up to 90%
  • Working Condition
  • Calibrated or Tested
  • 30-Day Right-of-Return
  • No Customization
  • Shipping to limited countries

Learn more

Select up to 3 instruments to compare

Cancel
Select another instrument to compare
Starting at
Select another instrument to compare
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Select another instrument to compare
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USD



Keysight Used
Configuration:
Customization available
Shipping: Limited countries only
Warranty: 90 days
Accessories Not included
For professional and industrial use only
By submitting this quote request, you are providing Keysight with your personal data. For information on how we use this data, see the Keysight Privacy Statement.

Conclusion: Powering Forward with Refurbished Precision

In the dynamic realm of electronics and signal generation, quality and reliability are paramount. Opting for a refurbished AWG offers a blend of economy and performance, especially when backed by an industry stalwart like Keysight.

Main Advantages:

  • Substantial economic savings without compromising on quality.
  • Assurance of a meticulously refurbished product that matches the new device's standards.
  • A sustainable choice that champions eco-friendliness with reduced waste and carbon footprint.
  • Speedy delivery coupled with robust after-sales support.
  • Scalability to adapt to ever-evolving lab requirements.

In essence, Keysight's refurbished AWGs present a compelling case for those wanting to strike a balance between cost-effectiveness and top-tier performance. 

Precision, reliability, and economy – unlock the trifecta with Keysight's refurbished AWGs.

Final Key Takeaway: Elevate Your Projects with Unparalleled Quality

Choosing a refurbished AWG isn't just a budget-friendly decision; it's a testament to valuing quality, sustainability, and long-term performance. With Keysight's trusted refurbishment process, every AWG stands as a beacon of reliability and precision. Embark on your projects with the confidence of unmatched quality, knowing that every waveform, every signal, resonates with the promise of Keysight's excellence.

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