A function generator is an electronic testing device used to generate different types of electrical waveforms by offering over a wide range of frequencies. This amazing tool is great a source for newbie, hobbyists and electronic engineers to be familiar with the electronic concepts and the resultant output waveforms.
Instead of purchasing a fully assembled function generator, you can design it on your own with the starter kits that are inexpensive and readily available in the market of electronics.
When you purchase function generator kits, it is important to consider the specifications like LCD display, waveforms, amplitude and operating frequencies.
For a novice, it’s a tough task to decide the right one among various generator kits. To overcome such problem, we spent hours of time in researching about function generator kits and shared the best with you.
Though there is no much difference in prices, the quality of a product is what we have fallen for. Read the full-length article to know about the function generator kits in detail.
Let’s get started!
1. KKmoon XR2206 High Precision Function Signal Generator DIY Kit
This is the top rated kit that has a variable frequency and amplitude settings for tuning. It is very easy to setup and installs using the electronic components available in the kit.
To perform such tasks you need a power supply of 9V externally, as the battery is not included in the kit. You can generate sine, square, triangular waves by varying the amplitude and frequency range up to 1MHz.
Specifications you ought to follow when you design a function generator are:
- 9-12V of DC power supply
- 600Ω impedance
- 1MHz frequency
- Unit impulse, square, ramp, sine and triangular waveforms
- For a sinusoidal waveform the amplitude is 0-3V and at 1 kHz distortion should be 1%.
- Triangular wave maximum amplitude is 3V and linearity is 1% for 10mA current.
- For generating a square waveform, amplitude should be 8V with no load, the rise time is 50ns and fall time is 30ns.
This wonderful DIY generator kit has the following components:
- Resistors
- Capacitors
- Plastic clips
- Circuit board
- Signal generator kit
- Screws and nuts
- Plastic case and
- A user manual
2. Function Generator DIY KIT by JYE Tech FG085
Function generator toolkit is ideal for electronic hobbyists and students. Because of its versatile nature, it is very easy to assemble and operate by performing specific tasks. Though the price tag is very high capable of generating signals of different waveforms.
Before you start installing read the instructions carefully provided in the manual.
A special push button is required to initialize the setup. It includes a power supply, adapter, output cables and a circuit board. A rotary encoder is also provided to adjust the offset voltages. Simply solder all the hardware parts through holes and attach the base plates (front and back panels) at the end.
This function generator can operate in a sweep, servo, and fixed frequency modes by producing continuous/discrete waveforms of sine, ramp, square and triangular. It also controls the information signals with user programmable pulse width, amplitude, and cycles.
For better visibility of the output waveforms, set the amplitude to 3V (peak-peak).
Here is the list of components used in the function generator kit:
- Circuit board
- Front and back panel
- Display unit
- Resistor
- Capacitor
- LED
- Screws and nuts
- Screwdriver
- On/Off switch
- Ports
3. XR2206 Function Generator – Kuman Updated XR2206 DIY Kit
This function generator kit is an ideal experimental tool for electronic hobbyists and engineers. It can operate in 3 different modes and generate 7 different waveforms (in both continuous and discrete).
The LCD screen makes users understand the concepts very clearly by offering time, frequency and amplitude specifications. You need to set peak amplitude to 10V and DC offset from -5V to 5V for greater visibility of the information signal.
It can also be used as an adjustable DC voltage source by making the amplitude to Zero. The specifications for designing function generator are as follows:
- 9-12V DC voltage
- 600Ω Impedance
- Maximum of 1MHz frequency
- 100mm of screwdriver length
- Square, sine & Triangular waveforms
- A sinusoidal waveform has distortion 1% and 3V amplitude
- A square wave contains the symmetry less than 5% and 8V amplitude.
- Linearity is 1% (10mA), Amplitude is 3V for a triangular wave.
Function generator kits contain the following components:
- Resistors
- Capacitors
- Plastic case
- Screws and nuts
- Circuit boards
- Jumper wires (10-M/M)
- 3mm screwdriver
- Cardboard box
- User manual (English)
4. Qianson XR2206 DC 9V-12V Function Signal Generator DIY Kits
Some components in this kit are pre-assembled while others need to be installed properly. They are embedded on the front board with basic connecting principles like capacitors, resistors, diodes, and LEDs.
You can stick potentiometer, IC sockets, power sockets and many more elements to the circuit board. Insert the IC or other hardware devices accurately in their respective positions otherwise; it can damage the entire kit resulting in a huge loss.
The function generator toolkit comprises of signal generator kit and an instruction manual that explains the working of function generator with schematic diagrams, waveforms and assembling procedure for the users.
Maintain the power supply between 9-12V and if exceeds more than 12V then resultant waveforms will not be stable.
Specifications for a 9-12V function generator kit are as follows:
- 9-12V of input DC voltage supply
- Square, ramp, sine, sawtooth and triangular waveforms
- 600Ω impedance
- Maximum frequency range is up to 1MHz
- To generate sine signal amplitude should be of 0-3V, 1% of distortion at 1 kHz.
- For square wave amplitude is 8V, rise time is 50ns, fall time is 30ns
- Amplitude should be 0-3V with 1% linearity for a triangular wave.
5. DDS Function Signal, Generator Module, Awakingdemi DIY DDS Function Signal Module Kit
This kit allows you to design function generator on your own by assembling the hardware components without fault. Components available in the kit are inexpensive but deliver high-performance output. It can restore the previous configuration after power up.
It can generate arbitrary waveforms of sine, square, ramp, sawtooth, triangular, reverse saw and noise signals when connected to an external power supply.
The kit has 2 outputs 1 for DDS signal and other for high-speed data signals like start/stop and sweep rate frequencies. For a square signal, duty cycles may vary and can produce 8MHz of a high-speed data signal at the output.
Specifications for DDS function generator consists of the following:
- 5V of DC power supply
- 16-inch LCD display (2)
- Signal frequency range 1-2-4-8 MHz
- Screen resolution is 6.5*1.5cm
- Circuit board size is 8*8cms.
A bag of electronic components for designing function generator are as follows:
- Resistors
- Capacitors
- Nuts-screws
- LCD Display
- Button keypad
- Circuit board
- Buzzer switches
- Jumper wires
- Screwdriver
- Plastic clip
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