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  • 15/07/2021

    Works well, has good features, good vco modulation and sweep options, but only channel 1 can receive modulation by channel 2, sweep only on channel 1, vco only on channel 1. channel 2 and 3 can become active when using channel 1. the voltage accuracy does not It's very good, and square wave has high overshoot. Unpractical interface. But it's a good low-cost generator. This model has the wrong adhesive!

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  • 28/01/2021

    very good 3 phase signal generator. good value. programmable virtually to any waveform. VCO option is slow and ADC is not accurate. use for slow stuff only. 50 ohm output impedance - do not short! DC output very inaccurate,be careful when using with logic levels signals, measure voltage and compensate. amplitude in all AC waveform is within specs. be careful with logic levels as this is AC.

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  • CeqVIP4
    ES
    15/04/2021

    Some people argue that the quality of the generated signal is not very good for high frequencies, however, I think it is a great product for teaching because: - It can be used as a safe signal source for three-phase electric current exercises. - It can be used as a counter / frequency analysis / duty cycle analysis. - It can be used as an AM signal modulator. - It can be used as an FM signal modulator. It includes a nice display with signal representation and it is not difficult to switch the different modes and options, Overall I think it is hard to find something similar inside its price range, so I am very satisfied.

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  • 29/06/2021

    Product came alright, though the sticker says FY6900 (2 channel) instead of the FY8300S (3 channel), even though it works just like the FY8300S

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  • 07/11/2019

    Very good value for money and fast shipping. The package arrived to EU for 14 days. The product covers the advertised specs and has intuitive user interface. The speed dial, soft keys and the display let you change all the parameters of the signal in a convenient way. The device has proven to be precise and fully meets the characteristics specified by the seller and the manufacturer.

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  • 16/06/2020

    It works very well as I expected although the waves are not all as perfect as they say they are when the frequency goes up above a megahertz although they are quite acceptable the counter is not usable because it needs the signal to be totally centered about 0 or a little less because otherwise it measures nothing The frequency it generates is very accurate and quite reliable as well as amplitude and phase. If I can include a few photos of my oscilloscope and the generator which is quite illustrative especially with the Fourier transform which indicates the purity of the generated signal which in some cases is quite bad when you raise the frequency but quite acceptable for frequencies below one megahertz. If you look at the frequency that me of the oscilloscope corresponds up to four decimal places to the frequency set in the generator. For your information the oscilloscope is a Sigland of 200 megahertz 2 channels with all the Fourier measurements and all and it is super perfect cost me 400 €and it works perfectly the same as the Tektronix that I manage in times with something less maybe but much better that many of them the truth is that it has been a good purchase the generator of functions because for that price you have a good equipment to make measurements that are not professional for higher ranks but for amateur or basic electronics works very well for example with montages of Arduino and things like that. I advise it

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  • 19/04/2020

    Great functionality, good accuracy and stability, mechanical construction corresponds to price, but really helpful and more user friendly would be larger display (and some combinations of colors - hardly readable) ;-) Unfortunately my device wasn't put together carefully enough and transportation wasn't very sensitive, so that during unwraping I listened strange noise but nothing was visibly broken. That rattle sound came from generator and I had no courage to plug it to power and switch on. My intuition was right and when I opened the case, three screws fell out (what's deadly dangerous for electronic circuits) and one cable was disconnected... After fixing these failures generator works fine with full functionality.

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  • 14/04/2020

    The best arbitrary waveform generator from FeelElec/FeelTech yet. The generator uses edge reconstruction when generating the square wave to ameliorate the jitter problems that are inherent in this kind of synthesiser. It works very well, as you can see from the attached image. The bottom trace is the generator's sync output and the top trace is the generated square wave. The jitter problem is there on the sync output, but the square wave's edges are slightly different each time and average out the jitter. The fact that the sync output is not reconstructed is something one should bear in mind. There are a few problems though. The switched mode power supply's ground is connected straight to protective earth, robbing the main board of one of the two ground lines. What is actually needed is a 10K resistor from ground to PE with a separate wire! My unit rattled when I received it because the screws used to mount the cooling fan (also new in this unit) were too short and one had already fallen out during shipping. The fan is very quiet as it is a 12V fan being run on 5V. I've heard from others that their fan does not start at all, but mine is fine and blows hot air out of the back of the case, pulling cool air in from the cooling slots underneath the case. A good point is that the timebase in the unit is now based on a 10MHz crystal making it much easier to use an external GPSDO as a 10MHz reference for more accuracy. One bad point is that the rear of the case is too thick and it is almost impossible to connect a BNC connector to the rear BNC sockets. Either the case needs to be thinner at the rear or larger holes are needed. All that being said, this is great value for money! You won't find anything this capable even approaching this price from any other manufacturer.

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  • 27/02/2020

    After short tests it works well. Very light.

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  • 23/08/2021

    A very complete and well-priced function generator with three output channels and a counter as a frequency meter with a lot of waveforms besides putting generate particular shapes. Bring a good number of connecting wires. It comes with the model label FY6900 no reason. Record time on delivery.

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