10 Best Function Generators for Electronics in 2026

Choosing the right signal source can make circuit testing faster, cleaner, and far less frustrating. The best function generators for electronics help you validate filters, amplifiers, timing circuits, and embedded designs with confidence.

In this roundup, we focus on models that balance waveform quality, frequency range, channel count, and control features so you can find a fit for your bench and budget.

Best 10 Function Generators for Electronics Picks for 2026

Dual-Channel Lab Pick – Rigol DG1022Z 25MHz Dual-Channel Function Generator

If you’re comparing function generators for electronics work, the Rigol DG1022Z is a practical dual-channel bench option with a 25 MHz output range, 200 MSa/s sampling, and 14-bit resolution. It suits education, repair, R&D, and embedded testing, while the built-in modulation, sweep, burst, and harmonic features make it flexible enough for a wide range of circuit checks.

Best For: Labs, students, and engineers who want a dual-channel generator with broad feature coverage.

Pros:

• Dual-channel output with up to 25 MHz frequency range
• 200 MSa/s sampling and 14-bit vertical resolution for clean signal output
• Includes 160 built-in waveforms plus arbitrary waveform support
• USB Host, USB Device, and LAN for PC connectivity and remote control

Cons:

• Lower frequency range than some 60 MHz alternatives
• Only two channels, which may not suit every bench workflow

The DG1022Z stands out as a well-rounded choice if you need a reliable bench instrument with strong modulation and connectivity features. It is especially appealing when you want a versatile dual-channel tool rather than the highest possible bandwidth.

High-Bandwidth Compact Pick – OWON DGE1060 60MHz Waveform Generator

For buyers browsing function generators for electronics, the OWON DGE1060 offers a strong mix of bandwidth and usability in a compact package. It provides up to 60 MHz bandwidth, 300 MSa/s sampling, and 14-bit resolution, along with built-in modulation, sweep, and burst modes for routine lab and research work.

Best For: Users who want a portable 60 MHz generator with a clear display and simple operation.

Pros:

• 60 MHz bandwidth with 300 MSa/s sampling rate
• 3.6-inch TFT LCD and intuitive controls for easier operation
• Includes 160 built-in arbitrary waveforms and 5 basic waveforms
• Supports AM, FM, PM, FSK, sweep, and burst functions

Cons:

• Single-device portability may come with fewer bench features than larger lab units
• Not a dual-channel design

The DGE1060 is a good fit when bandwidth matters but you still want straightforward day-to-day use. Its combination of LCD interface, built-in waveform library, and remote PC control makes it practical for lab benches and small test setups.

Budget Dual-Channel Meter Combo – Koolertron 15MHz DDS Signal Generator

If you need function generators for electronics work and also want measurement features, the Koolertron DDS signal generator is a versatile budget-minded option. It combines dual-channel output, a 15 MHz sine-wave range, 200 MSa/s sampling, and frequency counter functions in one compact instrument suited to labs, teaching, and repair tasks.

Best For: Users who want a dual-channel generator with built-in measurement tools.

Pros:

• Dual-channel DDS output with TTL level output
• Includes frequency, period, pulse width, and counting measurements
• Supports linear and logarithmic sweep functions
• Saves user-defined waveforms and instrument presets for reuse

Cons:

• 15 MHz sine output is lower than 25 MHz and 60 MHz alternatives
• User waveform storage is limited to 60 positions

The Koolertron makes sense if your priority is function generation plus basic measurement in one box. Its preset storage and independent channel settings are especially useful when you repeat similar test routines often.

Single-Channel PC Control Pick – OWON DGE1060 60MHz Function Generator

Among function generators for electronics testing, this OWON DGE1060 focuses on single-channel precision, PC control, and ease of use. It reaches 60 MHz with a 300 MSa/s sample rate and 14-bit resolution, while adding SCPI support and waveform editor tools for repeatable bench and software-assisted testing.

Best For: Engineers, students, and hobbyists who want a compact generator with PC editing and SCPI control.

Pros:

• 60 MHz single-channel output with 300 MSa/s sampling
• Includes 5 basic waveforms plus 160 built-in waveforms
• Supports AM, FM, PM, FSK, sweep, and burst functions
• USB PC control with SCPI and waveform editor support

Cons:

• Single-channel design limits simultaneous dual-signal work
• Fewer front-panel capabilities than a larger dual-channel bench unit

This model is a strong fit if you want modern control features and a compact footprint more than multi-channel output. The combination of waveform editing, PC transfer, and a color LCD makes it particularly convenient for repeated test setups.

Budget Dual-Channel Pick – UNI-T UTG932E 30MHz Function Generator

If you want a practical function generator for electronics without overcomplicating the bench, the UNI-T UTG932E is a straightforward place to start. This function generators for electronics option covers the core waveforms, adds dual-channel output with Ch1-Ch2 combining, and includes a built-in frequency counter for basic test work.

Best For: Hobbyists, students, small labs, and anyone doing audio, RF alignment, or basic circuit troubleshooting on a budget.

Pros:

• Dual-channel design with Ch1-Ch2 combining for more flexible test setups
• Supports sine, square, pulse, ramp, noise, DC, and arbitrary waveforms
• Built-in 6-digit frequency counter with 1bcHz to 30MHz range
• Includes useful accessories like BNC cables, alligator clips, and USB cable

Cons:

• 30MHz output range is more modest than higher-end bench generators
• Designed as a value-focused unit, so it is best matched to basic and mid-level tasks

The UTG932E stands out as a ready-to-use, budget-friendly generator with enough features to support learning, bench testing, and everyday signal work. Its mix of dual channels, modulation modes, and included accessories makes it especially convenient for users who want solid capability without a steep learning curve.

Higher-Speed PC-Control Choice – DGE2070 70MHz Arbitrary Waveform Generator

The DGE2070 is a strong pick if you need function generators for electronics with more bandwidth and automation support. It offers dual independent channels, 70MHz output, a 300MSa/s sample rate, and PC control through SCPI and LabVIEW, making it well suited for repeatable bench workflows and custom signal work.

Best For: Engineers, students, hobbyists, and small labs that want a compact generator with automation and custom waveform support.

Pros:

• 70MHz range with 2 independent channels for flexible testing
• 300MSa/s sample rate and 14-bit resolution for detailed signal generation
• USB PC control with SCPI and LabVIEW support for automated routines
• Includes 5 basic waveforms plus many built-in waveforms and custom upload options

Cons:

• More feature-rich than a basic generator, so it may be more than casual users need
• Compact 3.6-inch LCD is practical, but not as large as some bench instruments

For users who want stronger signal range plus software-assisted control, the DGE2070 balances flexibility and usability well. It is a smart bench option when custom waveforms, sweep and burst functions, and PC-driven testing matter more than keeping things ultra-basic.

Midrange 60MHz Value Pick – FY6900 60MHz Dual-Channel Generator

The FY6900 is a practical function generator for electronics work when you want more capability than a basic entry model without jumping into a much pricier setup. It provides dual-channel DDS output, 60MHz frequency coverage, and a useful set of standard and arbitrary waveforms for general bench testing.

Best For: General electronics testing, bench work, and users who want a dual-channel signal generator with a solid feature set.

Pros:

• Dual-channel DDS design with 60MHz frequency range
• Supports sine, square, triangle, pulse, sawtooth, and staircase waves
• Includes USB cable, power cord, BNC-BNC cable, and BNC-clip cable
• AC 100-240V powered for straightforward bench use

Cons:

• Supplied notes focus on core specs, so advanced software-control features are not highlighted
• No detailed display or automation details are listed in the provided information

As a midrange dual-channel generator, the FY6900 fits well in everyday electronics labs and repair setups. Its mix of common waveforms, broad power compatibility, and included accessories makes it a sensible all-around choice for practical signal generation tasks.

Bench Signal Generator Pick – Siglent SDG810 10 MHz Single-Channel

If you want a practical option among function generators for electronics, the Siglent SDG810 focuses on clean single-channel output, DDS stability, and a solid set of modulation tools. Its 10 MHz bandwidth, 125 MSa/s sampling rate, and 14-bit vertical resolution make it a capable fit for everyday bench testing, waveform checks, and basic signal work.

Best For: Engineers, hobbyists, and labs that want a stable single-channel generator with modulation support.

Pros:

• 125 MSa/s sampling rate with 14-bit vertical resolution
• Includes 5 standard waveforms plus 46 built-in arbitrary waveforms
• Broad modulation set: AM, FM, PM, FSK, ASK, PWM, sweep, and burst
• Easy Pulse technology aims for low-jitter pulse output

Cons:

• Single-channel design limits more advanced dual-signal testing
• 10 MHz bandwidth may be too modest for higher-frequency applications
• Fewer customization/storage features are highlighted than on some rivals

Overall, the SDG810 is a straightforward bench instrument that balances waveform variety and modulation depth without adding unnecessary complexity. It is a good match if you value dependable output and broad signal-generation basics over maximum channel count.

Best Heavy-Duty Pick – UNI-T UTG962E 60 MHz Dual-Channel

The UNI-T UTG962E is a versatile choice if you want function generators for electronics with more flexibility than a basic starter unit. With dual channels, 200 MSa/s sampling, 14-bit resolution, and a 60 MHz output range, it covers a wide range of hobby, repair, and lab tasks while staying approachable for first-time users.

Best For: Hobbyists, students, small labs, and budget-minded users who want dual-channel flexibility.

Pros:

• Dual-channel output with channel combining support
• 200 MSa/s sampling rate and 14-bit vertical resolution
• Supports sine, square, pulse, ramp, noise, DC, and arbitrary waveforms
• Includes useful extras like a frequency counter, TTL compatibility, and a value-pack accessory bundle

Cons:

• Top output range is still limited versus higher-end lab generators
• Best suited to general-purpose work rather than advanced precision testing
• Feature depth may feel broad but not as specialized as premium instruments

For the price-focused buyer, this model delivers a strong balance of capability and convenience. The included accessories and support notes make it especially appealing if you want to get up and running quickly on common test and troubleshooting jobs.

Portable Measurement Choice – Seesii FG-615 15 MHz Dual-Channel

The Seesii FG-615 is a compact pick for function generators for electronics when you want dual-channel output, storage, and measurement features in one portable unit. It offers 200 MSa/s sampling, up to 15 MHz sine output, and user-defined waveforms, making it useful for bench work, teaching, and quick troubleshooting.

Best For: Students, technicians, and labs that want a lightweight generator with built-in measurement tools.

Pros:

• Dual-channel DDS output with independent channel settings
• 200 MSa/s sampling rate and up to 15 MHz sine output
• Stores 99 instrument state parameter groups and 60 custom waveforms
• Includes frequency, period, pulse width, counting, and sweep functions

Cons:

• Lower maximum sine frequency than some competing dual-channel units
• Feature set is strong, but the display is relatively small at 2.4 inches
• Best fit is general lab and teaching work rather than high-end precision applications

This model stands out for users who value portability and measurement helpers as much as waveform generation. If you need a compact instrument for practical electronics tasks, it offers a useful mix of flexibility and convenience.

How We Picked These Function Generators for Electronics

We prioritized frequency range, sampling rate, vertical resolution, channel count, waveform flexibility, and ease of use. We also looked for practical bench features such as frequency counters, sweep and modulation support, PC control, and SCPI compatibility where available.

For Function Generators for Electronics, the best choice is usually the one that matches your testing needs without paying for unused capability. A simple unit can be ideal for repair work, while a higher-spec arbitrary waveform generator makes more sense for lab work and advanced prototyping.

Quick Comparison: What Matters Most

Start with the signal types you actually need. Sine, square, triangle, and pulse cover many jobs, but arbitrary waveform support becomes valuable when you need custom shapes or more realistic test signals. Next, check bandwidth and sample rate, since they determine how accurately the generator can reproduce higher-frequency and more complex waveforms.

Dual-channel models are useful for stereo testing, phase comparisons, and differential experiments. Single-channel generators can still be a smart value pick if your work is straightforward and cost-sensitive.

Key Buying Factors for Function Generators for Electronics

Frequency Range and Bandwidth

Make sure the generator comfortably exceeds the highest frequency you expect to test. Leaving headroom helps preserve signal quality and gives you room for future projects.

Sampling Rate and Resolution

Higher sampling rates and 14-bit resolution generally improve waveform fidelity, especially for arbitrary outputs. This matters when you care about smooth signals, cleaner edges, and more accurate amplitude control.

Waveform and Control Features

Look for sweep, modulation, burst, and counter functions if you work with communications, controls, or mixed-signal circuits. PC software and SCPI support can also make repetitive testing easier in a lab setting.

Usability and Bench Fit

Display quality, menu layout, output protection, and channel independence all affect daily use. A generator that is easy to configure is often more valuable than one with specs you will rarely use.

Who Should Buy Which Function Generators for Electronics?

Hobbyists and students can usually start with a lower-cost dual-channel or single-channel model that covers basic waveforms and moderate bandwidth. Repair technicians should favor simple controls, a built-in counter, and reliable output behavior.

For lab users, educators, and advanced makers, a higher-bandwidth arbitrary waveform generator with PC control and better resolution is often worth the extra investment. If you need to test more demanding circuits, choose the model that gives you the cleanest signal and the most useful software support rather than the one with the longest feature list.