Interfacing the DAC0808 to FPGA

Hello, I m building a Function generator using an FPGA!! I m almost done wid the Coding part in VHDL. I'd just like some help regarding the interfacing of DAC0808 with the FPGA. Also how th output Amplitude variation can be done.!!!

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You can do this using a seperate DAC and use it as a reference and/or a programmable gain amplifier. This will help to maintain the resolution of the signal generating DAC. Programmable gain amplifiers with bandwidths up to 60MHz are available for reasonable prices.

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Nico Coesel

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