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4.87 out of 5
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  • 01/04/2021

    The circuit includes an opamp (signal out on the "PGA" pin) controlled by a digipot MCP41010 (Chip select for the digipot is on the "CS" pin). I had best results with the digipot set at not quite full rate, at 247 out of 256 steps. Square wave is reasonably clean/usable up to about 1Mhz. SIN wave is nice and clean up to the max frequency of 12.5Mhz, but the amplitude drops significantly above 1Mhz. This could probably be improved with an opamp with higher gain. Overall a nice gadget, great value for money.

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  • 23/12/2017

    Ótimo gerador de sinais / funções programável por um baixo custo. Produto muito bom. Ótima dica para usar com microcontroladores da família 8051. Recomendo!

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  • 20/12/2021

    please provide me the commercial invoice with invoice number of Order No: 104801311. Very urgent.

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    Boards received in good condition. Nicely sealed anti static envelopes.

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  • 12/03/2021

    arrived fine, looks good. Not tried yet.

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  • 03/12/2017

    I bought this board and it seems to be working, However I don know what to do with the CS and PGA pins. Does anyone has a circuit description/schematic?

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  • 01/05/2020

    It appears that the power supply isn't decoupled very well, the waves generated have a substantial amount of noise. It does work and the quality of the board appears very good.

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  • 19/08/2018

    Output amplifier has a gain of x2; There is an on board programmable voltage divider. works OK to 3 Mhz only.

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  • 19/03/2018

    Fast processing and Shipment (product as described,need to check )- hope it will work fine cons packaging were somewhat not good

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  • 11/10/2019


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