Signal generators are essential tools in electronics and electrical engineering. They produce waveforms with various frequencies and shapes that help test, troubleshoot, and design electronic circuits.
We’ll look at some popular signal generators in the market and evaluate each generator’s features, performance, usability, and determine the best one. But first, let’s answer some commonly asked questions about signal generators and things to consider when you are looking for one.
Commonly asked Questions and Answers about Signal Generators
What is a Signal generator?
A signal generator is a device used to generate electrical signals of various waveforms and frequencies for testing and measurement purposes.
What are the common waveforms that a Signal generator can produce?
A signal function generator can produce several common waveforms, including sine, square, triangle, sawtooth, pulse, and arbitrary waveforms.
What is an Arbitrary waveform?
An arbitrary waveform is a waveform that is not a standard waveform, such as a sine or square wave. Arbitrary waveforms can be created using a signal function generator, allowing users to create custom waveforms for specific applications.
What is the frequency range of a typical Signal generator?
The frequency range of a signal generator can vary depending on the model. Some generators have a frequency range of up to several GHz, while others may only have a range of a few MHz.
What is the difference between a Function generator and an Arbitrary waveform generator?
A function generator can only produce standard waveforms such as sine, square, and triangle waves, while an arbitrary waveform generator can produce any waveform, including custom waveforms created by the user.
What is the resolution of a Signal function generator?
The resolution of a signal function generator refers to the smallest step size that can be set for the frequency and amplitude settings. The resolution can vary depending on the generator, but is typically in the range of a few Hz or mV.
What is the accuracy of a Signal function generator?
The accuracy of a signal function generator refers to how closely the generator can produce the desired waveform, frequency, and amplitude. Higher accuracy generators produce more reliable test results.
Can a Signal function generator be controlled remotely?
Many signal function generators come with USB or LAN interfaces, allowing them to be controlled remotely using a computer or other device.
Can a Signal function generator be used in conjunction with an Oscilloscope?
Yes, a signal function generator can be used with an oscilloscope to measure the waveform produced by the generator and to test the performance of electronic circuits.
How do I choose the right Signal function generator for my needs?
When choosing a signal function generator, consider factors such as frequency range, waveform types, amplitude range, accuracy, sampling rate, display quality, connectivity, and price to ensure that you get a generator that meets your specific needs.
Factors to Consider when Buying a Signal Function Generator
When buying a signal generator, there are several factors to consider to ensure you get the right product for your needs. Below are some essential things to consider:
- Frequency Range: The frequency range of the signal generator is an important consideration. Make sure that the generator’s frequency range covers the frequency range you need for your project.
- Waveform Types: Different projects require different waveforms. Consider the waveform types the generator can produce, including sine, square, triangle, sawtooth, and arbitrary waveforms. Choose a generator that can produce the waveforms you need.
- Amplitude Range: The amplitude range of the generator is also important. Consider the minimum and maximum amplitude the generator can produce, as well as the amplitude resolution.
- Accuracy: The accuracy of the generator’s frequency and amplitude settings is crucial for producing reliable test results. Make sure that the generator you choose has a high degree of accuracy.
- Sampling Rate: The sampling rate of the generator determines the quality of the output waveform. Choose a generator with a high sampling rate for better waveform quality.
- Display: A clear and easy-to-read display is essential for adjusting the generator’s settings and viewing the output waveform. Consider the size and quality of the generator’s display.
- Connectivity: Consider the connectivity options of the generator. Some generators come with USB or LAN interfaces for remote control and communication.
- Price: The price of the generator is an important consideration. Consider your budget and the features you need to find the best value for your money.
By considering these factors, you can choose the best signal generator for your needs and ensure that your projects are successful.
Best Signal Function Generators
1. Siglent Technologies SDG2042X
The Siglent Technologies SDG2042X is a dual-channel arbitrary waveform generator with a maximum output frequency of 40 MHz. It produces standard waveforms, arbitrary waveforms, and pulse waveforms. It has a large 4.3-inch TFT-LCD display that displays all the parameters and waveforms. The generator also comes with a USB host, USB device, and LAN interface for remote control and communication. It has an amplitude of 20Vpp, a sampling rate of 1.2GSa/s, and a memory depth of 8Mpts.
What customers are saying:
This signal generator has received positive feedback from customers, who praised its functionality and performance. The only downside is its price, which is relatively high compared to other generators with similar features. However, if you are willing to pay the premium, the Siglent Technologies SDG2042X is an excellent choice for professional use.
2. Siglent Technologies SDG1032X
The Siglent Technologies SDG1032X is another dual-channel arbitrary waveform generator from Siglent Technologies. It has a maximum output frequency of 30 MHz and comes with all the standard waveforms, arbitrary waveforms, and pulse waveforms. It has a 4.3-inch TFT-LCD display that shows all the parameters and waveforms. The generator also comes with a USB host, USB device, and LAN interface for remote control and communication. It has an amplitude of up to 20Vpp, a sampling rate of 150MSa/s, and a memory depth of 16 kpts.
What customers are saying:
Customers have praised the Siglent Technologies SDG1032X for its reliability and ease of use. The generator’s performance is excellent, and its interface is intuitive and user-friendly. The only downside is its price, which is higher than some of the other generators with similar features. However, if you are looking for a reliable and easy-to-use signal generator, the Siglent Technologies SDG1032X is an excellent choice.
3. FY8300 Signal Generator 3-Channel Function Generator
The FY8300 Signal Generator is a 3-channel function generator that produces various waveforms, including sine, square, triangle, sawtooth, and arbitrary waveforms. It has a maximum output frequency of 60 MHz and comes with a 2.4-inch TFT-LCD display that shows all the parameters and waveforms. The generator also comes with a USB interface for remote control and communication. It has an amplitude resolution of up to 1mV and a sampling rate of 250MSa/s.
What customers are saying:
Customers have praised the FY8300 Signal Generator for its affordability and functionality. The generator’s performance is excellent, and it produces high-quality waveforms. Some customers have reported issues with the display, which can be difficult to read in bright light. Additionally, the user interface can be confusing and requires some learning to use effectively. Overall, if you are on a budget and need a reliable signal generator, the FY8300 Signal Generator is an excellent choice.
4. Koolertron 15MHz DDS Signal Generator Function Generator
The Koolertron 15MHz DDS Signal Generator is a single-channel function generator that produces various waveforms, including sine, square, triangle, sawtooth, and arbitrary waveforms. It has a maximum output frequency of 15 MHz and comes with a 2.4-inch TFT-LCD display that shows all the parameters and waveforms. The generator also comes with a USB interface for remote control and communication. It has an amplitude resolution of up to 1mV and a sampling rate of 200MSa/s.
What customers are saying:
Customers have praised the Koolertron 15MHz DDS Signal Generator for its affordability and ease of use. The generator’s performance is excellent, and it produces high-quality waveforms. Some customers have reported issues with the display, which can be difficult to read in bright light. Additionally, the generator can produce noise at higher frequencies. Overall, if you are on a budget and need a basic signal generator, the Koolertron 15MHz DDS Signal Generator is an excellent choice.
5. Seesii 60MHz Dual Channel DDS Signal Generator
The Seesii 60MHz Dual Channel DDS Signal Generator is a dual-channel function generator that produces various waveforms, including sine, square, triangle, sawtooth, and arbitrary waveforms. It has a maximum output frequency of 60 MHz and comes with a 2.4-inch TFT display that shows all the parameters and waveforms. The generator also comes with a USB interface for remote control and communication. It has an amplitude resolution of 1mV and a sampling rate of 200MSa/s.
What customers are saying:
Customers have praised the Seesii 60MHz Dual Channel DDS Signal Generator for its affordability and functionality. The generator’s performance is excellent, and it produces high-quality waveforms. Some customers have reported issues with the display, which can be difficult to read in bright light. Additionally, the generator can produce noise at higher frequencies. Overall, if you are on a budget and need a reliable signal generator, the Seesii 60MHz Dual Channel DDS Signal Generator is an excellent choice.
6. YEAPOOK ADS1014D 2 in 1 Digital Signal Generator
The YEAPOOK ADS1014D 2 in 1 Digital Signal Generator is a dual-channel function generator that produces various waveforms, including sine, square, triangle, sawtooth, and arbitrary waveforms. It has a maximum output frequency of 10 MHz and comes with a 7-inch TFT-LCD display that shows all the parameters and waveforms. The generator also comes with a USB interface for remote control and communication. It has an amplitude resolution of 2.5Vpp for standard signals and a sampling rate of 1GSa/s.
What customers are saying:
Customers have praised the YEAPOOK ADS1014D 2 in 1 Digital Signal Generator for its affordability and ease of use. The generator’s performance is excellent, and it produces high-quality waveforms. Some customers have reported issues with the display, which can be difficult to read in bright light. Additionally, the generator can produce noise at higher frequencies. Overall, if you are on a budget and need a basic signal generator, the YEAPOOK ADS1014D 2 in 1 Digital Signal Generator is an excellent choice.
7. Seesii FG-100 DDS Function Signal Generator
The Seesii FG-100 DDS function generator is a single-channel function generator that produces various waveforms, including sine, square, triangle, and sawtooth waveforms. It has a maximum output frequency of 500 kHz and comes with a 1.8-inch LCD display that shows all the parameters and waveforms. The generator also comes with a USB interface for remote control and communication. It has an amplitude resolution of 10mVpp to 10Vpp and a output impedance of 50 ohm.
What customers are saying:
Customers have praised the Seesii FG-100 DDS for its affordability and ease of use. The generator’s performance is good, and it produces high-quality waveforms. Some customers have reported issues with the accuracy of the frequency and amplitude settings, which can be challenging to adjust precisely. Additionally, the generator can produce noise at higher frequencies. Overall, if you are on a budget and need a basic signal generator, the Seesii FG-100 DDS is a good choice.
8.UNI-T UTG4000A Series Function/Arbitrary Waveform Generator
The UNI-T UTG4000A Series Waveform Generators is a series of generators that produce various waveforms, including sine, square, triangle, sawtooth, and arbitrary waveforms. They have a maximum output frequency of 160/120/80 MHz, respectively, and come with a 4.3-inch TFT-LCD display that shows all the parameters and waveforms. The generators also come with a USB interface for remote control and communication. They have an amplitude resolution of 1mVpp to 10Vpp and a sampling rate of 0.5GSa/s.
What customers are saying:
Customers have praised the UNI-T UTG4000A Series Waveform Generator series for their high performance and versatility. The generators produce high-quality waveforms, and their frequency and amplitude settings are highly accurate. Some customers have reported issues with the user interface, which can be confusing to use at first. Additionally, the generators are more expensive than other options on this list. Overall, if you need a high-performance signal generator and have a higher budget, the UNI-T UTG4000A Series Waveform Generator series is an excellent choice.
Products FAQs
What is the frequency range of the Siglent Technologies SDG2042X?
The Siglent Technologies SDG2042X has a frequency range of up to 40MHz.
What is the waveform types available in the Siglent Technologies SDG1032X?
The Siglent Technologies SDG1032X can produce various waveforms, including sine, square, ramp, pulse, noise, and arbitrary waveforms.
Can the FY8300 Signal Generator 3-Channel Function Generator produce multiple signals at once?
Yes, the FY8300 Signal Generator 3-Channel Function Generator can produce up to three signals simultaneously.
What is the frequency range of the Koolertron 15MHz DDS Signal Generator Function Generator?
The Koolertron 15MHz DDS Signal Generator Function Generator has a frequency range of 1Hz to 15MHz.
Does the Seesii 60mhz dual channel dds signal generator have a built-in frequency counter?
Yes, the Seesii 60mhz dual channel dds signal generator has a built-in frequency counter with a range of 0.01Hz to 100MHz.
Can the YEAPOOK ADS1014D 2 in 1 Digital Signal Generator produce arbitrary waveforms?
Yes, the YEAPOOK ADS1014D 2 in 1 Digital Signal Generator can produce arbitrary waveforms, including sine, square, ramp, pulse, noise, and arbitrary waveforms.
What is the frequency range of the Seesii FG-100 DDS function generator?
The Seesii FG-100 DDS function generator has a frequency range of 1Hz to 500kHz.
Does the UNI-T UTG4000A Series Waveform Generators have USB connectivity?
Yes, the UNI-T UTG4000A Series Waveform Generators has USB connectivity for remote control and communication.
What is the resolution of the Siglent Technologies SDG2042X?
The Siglent Technologies SDG2042X has a resolution of 1 μHz on the frequency setting and 1 mV on the amplitude setting.
Does the FY8300 Signal Generator 3-Channel Function Generator come with a power supply?
No, the FY8300 Signal Generator 3-Channel Function Generator does not come with a power supply. You will need to purchase a power supply separately.