The Best Function Generators

Looking for the best Function Generators?

Discover now our comparison of the best Function Generators. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Function Generators are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Function Generators in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

Siglent Technologies SDG2042X Arbitrary Waveform Function-Generators, 40 MHz, Grey

Dual channel * 40 MHz (Sine wave) * Touch screen display
16 bit vertical resolution * Modulation / Sweep / Burst
TrueArb Technology / Easy Pulse Technology
Built-in high precision Frequency Counter
USB / LAN interfaces. Optional GPIB adapter available

No. 2

OWON Waveform Generator, 60MHz Bandwidth,300MSa/s Sampling Rate, 14 bits Vertical Resolution, 8K Waveform Length, 5 Basic Waveforms, 160 built-in Arbitrary Waveforms, with 3.6IN LCD Display DGE1060

Waveform Generator: With 60MHz bandwidth, real-time sampling rate 300MSa/s, record depth 8K, 14 bits Vertical Resolution,waveform length 2-8k points
Comprehensive Waveform Output: In addition to the standard 5 basic waveforms, this generator also includes 160 built-in arbitrary waveform like exponential rise, exponential fall, sin(x)/x, step wave, and others. You can easily find the waveform that suit your needs.
User-Friendly Interface: Benefit from a 3.6-inch TFT LCD display and an intuitive function setting area, ensuring clear and effortless waveform observation.
Easy Operation: Features AM, FM, PM, and FSK modulation modes, sweep and Burst functions, and storage for 16 digital arbitrary waveforms. Also compatible with PC remote control.
Ultra-thin Design: This portable multimeter boasts an ultra-thin body for effortless handling. Equipped with convenient shortcut keys, it enhances man-machine interaction, effectively boosting work efficiency.

No. 3

Professional Upgraded 15MHz DDS Signal Generator Counter, Seesii 2.4Inch LCD Display High Precision 200MSa/s Dual-Channel Arbitrary Waveform FG-615 Function Generator Frequency Meter

【Upgraded Signal Stability】Seesii Dual-channel DDS arbitrary waveform generator adopts large-scale FPGA integrated circuit and high-speed MCU microprocessor. The internal circuit adopts an active crystal oscillator as a benchmark. So the signal stability is greatly strengthened
【Storage And Custom】 You can store 99 groups of instrument state parameters set by the user, which can be called up to Reproduce. The frequency output of a Sine wave can be up to 15MHz. 200MSa/s sampling rate. It has 60 positions for saving user-defined waveforms. In addition, it has a very good software package that allows you to create your waves and frequency combinations. After you save them, you can disconnect the unit from the computer and use them for any applications you wish
【High Precise】 Using Dual-channel DDS signal and TTL electric level output to generate a precise, stable, low distortion output signal. Includes Sine wave, Square wave, Triangle wave, Sawtooth wave, Pulse wave, white noise, user-defined waveform, etc. Each channel can be independently set the parameters. The duty cycle of each channel can be adjusted separately. Precision can be 0.1%
【Frequency Meter】With linear sweep(Max. up to 999.9s) and logarithmic frequency sweep functions.Has a frequency measurement, period measurement, positive and negative pulse width measurement, and counting function. The settings allow you to enter up to 20volts
【Lightweight Compact and Portable】With an intuitive control panel, you can easy to control. This Signal Generator is the ideal instrument for electronic engineering, laboratories, production lines, teaching, and scientific research. This is an important tool for both experts and newcomers

No. 4

Koolertron DDS Signal Generator Counter, 2.8in Screen Display 60MHz High Precision Dual-Channel Arbitrary Waveform Generator Frequency Meter 275MSa/s Function Generators for Scientific,Laboratories

[The Signal Generator Counter] can be connected to the mobile phone for control and operation, which is very convenient. After downloading the APP, you can view the relevant data on the mobile phone, and you can set all functions through the mobile APP, and support the import and export of arbitrary waveform data, which is convenient and fast.
[Using Dual-channel DDS signal and TTL electric level output to generate precise] stable, low distortion output signal. includes Sine wave, Square wave, Triangle wave, Saw tooth wave, Pulse wave, white noise, user-defined waveform etc. each channel can be independently set the parameters.
[Arbitray Waveform Generator] adopts large scale FPGA integrated circuit and high speed MCU microprocessor. The internal circuit adopts active crystal oscillator as benchmark. So the signal stability is greatly strengthened.
[Can Draw Arbitrary Waveform]：PC software and communication protocol are provided for free, arbitrary waveforms can be drawn using the PC software; using the communication protocol can be secondary development programming; all functions of the instrument can be controlled by the PC software (The instrument can be also finished all operations without connecting to the computer.)
[Function Generators] With linear sweep(Max. up to 999.9s) and logarithmic frequency sweep functions.Has a frequency measurement, period measurement, positive and negative pulse width measurement and counting function.
Storage feature: You can store 100 groups instrument state parameters set by the user, can be called up to Reproduce. Frequency output of Sine wave can be up to 80MHz. 275MSa/s sampling rate. Waveform Length of each one is 8192 and vertical resolution is 14 bits
[This Signal Generator] is the ideal instrument for electronic engineering, laboratories, production lines, teaching and scientific research.

No. 5

Signal Generator Kit, XR2206 Precise Function Signal Generator Frequency Module DIY Kit Sine Triangle Square Output Adjustable 1Hz-1MHz, 9-12V Direct Current Input(1 Piece)

Good precision: the XR2206 function signal generator is precise, with a transparent case box shell for good assemble; Amplitude: 0-3V at 9V DC input; Distortion: less than 1% (at 1KHz); Flatness: +0.05dB 1Hz - 100kHz
Parameters: Voltage Supply: 9-12V DC Input; Waveforms: Square, Sine, Triangle; Impedance: 600 Ohm + 10%; Frequency: 1Hz-1MHz; Amplitude: 0-3V at 9V DC; InputDistortion: less than 1% (at 1KHz); Flatness: +0.05dB 1Hz - 100kaHz
Sine wave parameters:Amplitude: 0-3V at 9V DC input; Distortion: less than 1% (at 1KHz); Flatness: +0.05dB 1Hz - 100kHz
Square wave parameters: Amplitude: 8V (no load) at 9V DC Input; Rise Time: less than 50ns (at 1KHz); Fall Time: less than 30ns (at 1KHz); Symmetry: less than 5% (at 1KHz)
Triangle wave: Amplitude: 0-3V at 9V DC input; Linearity: less than 1% (up to 100 KHz) 10 mA

No. 6

UNI-T UTG962E Arbitrary Waveform Generator Function Generator Kit 60Mhz Dual-Channel 200MSa/s 14 Bits Frequency Signal Generator

UNI-T Function Arbitrary Waveform Generator UTG962E. Dual channels. Ch1 - Ch2 combining. Output waveform: Sine, square, pulse, ramp, noise, DC, arbitrary. Modulation types: AM, FM, PM, FSK, Line, Log. 24 groups non-volatile arbitrary waveform storage.
Sampling rate of 200MSa/S. TTL level signal compatible 6 digits high accuracy built-in frequency counter. Frequency counter with output range: 1μHz-60MHz
Full-band resolution of 1μHz. DDS (direct digital synthesis) method applied. 14 bits vertical resolution. Support frequency scanning and output
One of the best ready-to-use function generators. Value pack includes: UTG962E function generator, power adapter (USA standard), USB cable power cord, BNC cable, BNC cable with alligator clips, paper manual, eManual
Budget friendly and intuitive generator for hobbyists, novices, students, small labs, basic projects, ham radio alignment, pro audio measurements. Learn and update skills, work with audio gear, DC offsets, wow & flutter test, amplitudes, receiver test, circuit test, filter troubleshooting, refurbish turntable.
Easy access to UNI-T 7/24 1 to 1 user support. If you encounter any problems during use, please contact us first (via e-mail) and our customer service team will deal with your problem as soon as it is received

No. 7

DROK Signal Generator, DC 3.3-30V Function Generator 5-30mA LCD Display PWM Pulse Frequency Duty Cycle Rectangular Wave Square Wave Signal Generator

PARAMETER ---- operating voltage range DC 3.3v~30v; frequency range 1Hz-150kHz; output current 5-30mA; duty cycle range 0-100%.
APPLICATION ---- as square wave signal generator for experimental development; as square wave signal generator for motor driver; as adjustable pulse generator for MCU; as pulse generator, control related circuits (PWM dimming, speed regulating).
SERIAL COMMUNICATION ---- support serial communication, TTL level.
DATA AUTO STORAGE ---- all parameters will be saved automatically after setting and therefore won't lose when power off.
OTHER FEATURES ---- with LCD display to display frequency and duty cycle value; with case; PWM output, can set frequency and duty cycle separately by buttons; frequency value is divided into 4 range and switched automatically, with high precision.

No. 8

1HZ-500KHZ DDS Functional Signal Generator, Seesii DDS Function Low Frequency Signal Generator Sine/Triangle/Square/Sawtooth Waveform

1HZ-500KHZ DDS signal generator is small but has many functions, easy to operate and carry. The power supply can be either AC/DC adaptor or a battery.
It can be used with oscilloscope to test and debug electronic circuit, the frequency response of audio amplifier and impulse response,It also can calibrate the sweep time factor of oscilloscope.
The square waveform is suitable for oscilloscope attenuator and the adjustment of probe impulse response.
Have a filter (can be opened and closed) to suit the output of sine wave and pulse wave.
This functional signal generator can test many kinds of wave forms such as: sine, square, triangle, positive and negative sawtooth waveform. It is especially designed for those professional worker.

No. 9

Generic FY6900 DDS Signal Generator, 60MHz Frequency Meter Counter, 250MSa/s Double Channel Function Generator, Arbitrary Waveform, High Precision, LCD Display with Graphics

DDS-based signal generator (Direct Digital Synthesizer) offers high stability, high precision, and low distortion
Frequency generator features a 2.4” TFT color LCD display to show parameters and graphics of the two channels at the same time
Function generator has a built-in high D/A converter chip to provide high anti-interference, sampling rate of 250MSa/s, vertical resolution of 14bits
Signal generator can sweep 4 properties of signals (frequency, amplitude, offset and duty cycle), and has 2 sweep types (linear and logarithm), sweep time of 0.01S~999.99s, and up/down/roundtrip sweep directions
Signal generator can be used independently or controlled via computer host software, providing 3 windows - waveform window, text window, and control window

No. 10

EC Buying High Precision Function Signal Generator DIY Kit XR2206 Adjustable Frequency Amplitude Module Sine Triangle Square Output 1Hz-1MHz DC 9-12V

Can generate sine waves, triangular waves, and square waves
The frequency can range from 1HZ-1MHz; Frequency and amplitude adjustable
Five bit precision resolution; Frequency adjustment has coarse and fine tuning
Wide power supply range, can use external power supply 9-12V or 9V batteries
All direct insertion components have a small number of components and are easy to install and debug.

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Last update on 2025-07-04 / Affiliate links / Images from Amazon Product Advertising API

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