On Tue, Mar 21, 2023 at 6:12 PM Eugene Grayver <eugene.gray...@aero.org> wrote:
> Hello, > > I want to use an external IQ mixer with an external LO. My signal is 160 > MHz wide, which fits nicely into the nominal complex 200 MHz Nyquist of the > X310. Unfortunately the only daughterboards for direct access to the ADCs > are LFRX which maxes out at 30 MHz, and the Basic-RX with a minimum of 1 > MHZ. > > I am thinking of spinning a custom daughter board derived from LFRX with a > wideband differential driver such as > https://www.analog.com/media/en/technical-documentation/data-sheets/6406fc.pdf > or > alternatively just replacing the chip on an LFRX since these appear to be > footprint compatible. > > Separately, I was looking at LFTX schematics and the part # for the > amplifier is not specified. Can somebody at Ettus/NI save me some time and > lookup that part #. > > Comments? > Have you considered the BasicRX? https://www.ettus.com/all-products/basicrx/ https://files.ettus.com/schematics/basic_dbs/BasicRX.pdf Brian
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