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Function Generator XR2206 DIY Kit 20Hz - 100KHz

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XR2206 Function Generator DIY Kit 20Hz - 100KHz


Very simple DIY Kit of Function Generator based on XR2206 IC. The circuit was taken from the datasheet and adapted to our project condition.


The kit is not require calibration! But also has components included in case you want to have full control on it with a oscilloscope for calibration to 0.5% THD.


XR2206 Function Generator Kit is produce high quality Sine and Triangle wave outputs with high stability and accuracy. Square wave output is open collector type and can't be calibrated because of peculiar properties of the IC.


 


Technical Specification:


 




  • Frequency's: 20Hz to 100KHz in 4 ranges with fine adjust




  • Waveforms: Sine, Triangle, Square




  • Supply Voltage: 12V




  • Supply Current: 12-20mA




  • PCB Dimensions: 73 x 38 mm




  • Shipping Weight: 100 gr




  • SKU: RH-K-FG-XR2206



XR2206 kit diy package www.rhelectronics.net

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  • XR2206 kit diy package www.rhelectronics.net
  • Function Generator DIY XR2206 Kit
  • Function Generator DIY XR2206 Kit
  • Function Generator DIY XR2206 Kit

Details


 

 

 

Sine Wave:

  • Amplitude: 0.05 - 2V AC Peak to Peak at 12V DC

  • Distortion without adjustment: 2.5%

  • Distortion with adjustment: less than 1%

  • Output Impedance: 600 Ohm

  • Amplitude Stability: 0.5 dB

 

Triangle Wave:

  • Amplitude: 0.05 - 4V AC Peak to Peak at 12V

  • Linearity: 1%

  • Output Impedance: 600 Ohm

 

Square Wave:

  • Amplitude: 11V AC Peak to Peak at 12V non-adjustable

  • Rise time: 250 ns at 1KHz

  • Fall time: 50 ns at 1KHz

 

The DIY Kit has 4 steps frequency's range: (1) 20Hz-100Hz; (2) 100Hz-1KHz; (3) 1KHz-10KHz; (4) 10KHz-100KHz. You can use jumper cup or any 1 Pole 4 Position Rotary Switch for selection of the working range. The output frequency is controlled with two Rotary Potentiometers for coarse and fine adjust.

The frequency amplitude is also controlled by Rotary Potentiometer.

Sine and Triangle wave output can be toggled with jumper on the PCB or with external 1P2T switch. The Square wave has separate output on the PCB with pull up resistor.



If you can't reach a oscilloscope to calibrate the device, please do not install Symmetry Adjust potentiometer and trim Sine Adjust potentiometer to 200 Ohm before power up the kit. Sine THD without calibration is 2.5%. Sine THD with calibration is 0.5%.


The XR2206 IC has 20 ppm/C frequency stability. In our project we use polyester film capacitors to reduce temperature drifts.

The Kit is designed for 12V regulated power supply. You can use simple LM317 or LM7812 power supply for this project.


 

Package include:

1x Manufactured 2 Layers High Quality PCB 73x38 mm

1x XR2206CP IC

2x 1% Metal Film Resistor 5.1K

1x 1% Metal Film Resistor 10K

1x 1% Metal Film Resistor 10R

1x 1% Metal Film Resistor 3K

1x Trimmer Potentiometer top adjust 500R

1x Trimmer Potentiometer top adjust 30K

2x Rotary Potentiometer 10K

1x Rotary Potentiometer 100K

1x 1N4007 Diode

1x 100uF Electrolytic Capacitor 35V

1x 10uF Electrolytic Capacitor 35V

1x 1uF Electrolytic Capacitor 35V

1x 100nF Ceramic Capacitor 50V

1x 1nF Polyester Film Capacitor 63V

1x 10nF Polyester Film Capacitor 63V

1x 100nF Polyester Film Capacitor 63V

1x 1uF Polyester Film Capacitor 63V

1x DIP Socket 16 Pin

2x Jumper Cup

20x Pin of 2.54 mm Male Pin Header

3x Washer for Rotary Potentiometer

3x Nut for Rotary Potentiometer

 

When you are buying this product you are agree that you have certain skills and knowledge to solder it by yourself. We are not responsible if you damage the PCB or other kit's parts due to wrong assembling or handing. In the user manual you'll find circuit and step by step instruction for soldering the kit. All components have name and number so you can easily place in on the PCB regarding the circuit and silkscreen.

No matter what, if you have any questions about assembling or using the device, we can provide you a technical support. If you are in doubt about something is always better to ask us before any action.

 


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