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Onyehn XR2206 High Precision Function Signal Generator DIY Kit Sine/Triangle/Square Output 1Hz-1MHz Adjustable Frequency Amplitude + Transparent Case Box Shell

Envío gratis en pedidos superiores a Mex $600.00

Mex $283.09

Mex $ 167 .00 Mex $167.00

En stock
  • High Precision, can generate sine/triangle/square waveforms.
  • Output frequency range: 1Hz-1MHz and Adjustable frequency and amplitude.
  • Wide power supply range, use 9-12V external power or 9V battery(NOT Included).
  • This is a DIY kit with All are through hole components,easily assemble the Function Generator by yourself.
  • BaiJJ XR2206 High Precision Function Signal Generator DIY Kit Sine/Triangle/Square Output 1Hz-1MHz Adjustable Frequency Amplitude + Transparent Case Box Shell


Specifications:
Voltage Supply: 9-12V DC Input
Waveforms: Square, Sine & Triangle
Impedance: 600 Ohm + 10%
Frequency: 1Hz-1MHz
SINE WAVE
Amplitude: 0-3V at 9V DC Input
Distortion: Less than 1% (at 1KHz)
Flatness: +0.05dB 1Hz - 100kHz
SQUARE WAVE
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 100KHz) 10mA
Package Size: Approx. 12 * 8 * 2cm / 4.72 * 3.15 * 0.8in
Package Weight: 69g / 2.46oz
The welding installation considerations, follow these steps:
1. The components are welding the front board, from low to high principles, namely the first low welding components, such as, capacitor, resistor, diode, etc.
2.Welding IC socket, terminal blocks, finally power socket, adjustable potentiometer.
3.The back with a diagonal cutting pliers to cut short the pins as far as possible.
Debugging steps:
1After completion of welding on IC, XR2206, pay attention to the direction of IC, insert the might damage the chip!
2. check the IC whether against, such as anti please timely correction.
3. Insert the power supply, power supply for 5.5 * 2.1 port, inside outside is negative polarity. For 9-12 v power supply voltage. The waveform may not be stable for more than 12V.
Using the step
1. J1 jumper cap plug in, SIN/TRI blue terminals output sine wave (note J1, J2 can only insert one of)
2. J2 jumper cap plug in, SIN/TRI blue terminals output triangular wave (note J1, J2 can only insert one of)
3. SQU blue terminals output pulse
4. AMP : Sine wave, triangle wave amplitude adjustment
5. FINE : Frequency fine adjustment
6. Coarse : Frequency of coarse adjustment


Michael C.
Comentado en los Estados Unidos el 5 de diciembre de 2024
This is a good looking project, well laid out and easy to assemble. I enjoyed putting it together. There’s only a small flaw in the design and unfortunately Amazon doesn’t make it easy to contact the seller or I’d have brought it to their attention privately. The four machine screws that hold the case together are too short. They are exactly the length of the box depth so no threads to add the nut. Otherwise 5 stars all day
Gunars
Comentado en los Estados Unidos el 7 de noviembre de 2024
Generator is simple to assemble and works as expected. Frequency range is even brighter than expected. However, amplitude is fluctuating significantly, especially in megahertz range.
Mr Hytech
Comentado en los Estados Unidos el 11 de febrero de 2022
I already own lots of professional test equipment, including function generators. But just for fun, I decided to order one of these just to see what it could do. The "instruction sheet" was totally unreadable, so I took a screen shot of the page showing the parts list and board locations. On that screen shot, the polarity of the electrolytic capacitors is described backwards - you'll have to pay attention to that. But, basically it works. There is nothing "High Precision", about it, as claimed. The square wave is pretty good at the lower frequencies. However, the sine and triangle waveforms leave a lot to be desired - neither of them are close to the triangle or sine waves, and they even look similar to each other. The waveform isn't even symmetrical from top to bottom. Also, the "Coarse" and "Fine" controls are almost the same with a 2:1 ratio instead of a more typical 10:1 or 20:1 ratio. The control for the output amplitude is designed backwards - counterclockwise to increase, instead of clockwise. It does not come with a plug to match the power input jack - you'll have to find your own. I would suggest removing the protective covering from the top plastic piece and rubbing some white water-based acrylic paint over the etched label markings, then wiping it off before it dries. Otherwise, you won't be able to read the text. As it is, the knobs cover up half the text printed above them. The actual XR2206 IC has no markings at all, which can mean that it's NOT a genuine Exar chip, and that would explain why the sine and triangle wave forms are not very good. BUT HEY - it's still worth the $10, and it's an excellent starter kit for a beginner!
systemguy
Comentado en los Estados Unidos el 2 de febrero de 2021
I installed the components in about an hour and it worked immediately. The waveforms are as advertised, however, the sine and triangle waveforms have a significant DC bias component rather than being centered on ground. With a 12 volt supply voltage, the waveform midpoint is at about 7 volts. That means that you can't put the output directly into headphones or anything similar because the DC bias will prevent normal operation or could even damage earphones. A typical solution is to use back-to-back electrolytic capacitors in the signal output wire to AC couple the signal. I used two 2200 uF electrolytic capacitors that I already had, each rated at greater than the 12 V power supply. It would have worked fine with a high impedance load with much smaller caps. The negative (stripe) sides of the caps are connected together, and the signal and load wires are connected to the the two outside wires. This approximates a large non-polar capacitor. The output is then AC coupled and close to centered on 0 Volts.There is an error in the schematic provided in the instructions that doesn't matter unless you use it to debug the circuit. The frequency range jumper is shown with 4 pairs of header pins and C7 and C8 are shown wired together. In actuality, there are 5 pairs and the last two pairs are connected separately to C7 and C8. The circuit as shown would only have 4 ranges and one of the pairs would not be connected. The highest range would not be available either.
Russ Lewis
Comentado en los Estados Unidos el 16 de marzo de 2020
Easy build. But there were a few problems. The screws that mount the board to the bottom are way too short but mine also had a 20 pin socket for a 16 pin IC. Luckily I had a spare. Only took a couple hours and I was taking my time. It tested fine but I couldn't get the waveform to lock until I gave up on the 9v supply and went with 12v. The frequency ranges aren't exact but they at least overlap so you can generate anything up to 1.25 Mhz (rated only to 1Mhz though). I took 50 pics during the assembly and consider writing an assembly guide but it is actually very simple to build. No its not as nice as my BK but it works for what I needed it for. Important note though, the XR2206 is made to drive a 600 ohm load so it may or may not perform well if you drive a low impedance load.
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