I do not see mention of Mix Mode or RZ on the AD917x High Speed DACs. Do they not have those modes? If not, why? Seems to me like this is a big miss not including those features in these devices.
The AD9172 product family uses a dual-switch architecture, similar to the AD9144. This type of architecture is well-suited for lower power consumption and high performance that is sufficient for many radio systems, including wireless infrastructure. The AD9162/AD9164 product family, similar to many previous generations of highest performance IF and RF DAC cores, uses ADI's patented Quad Switch architecture, which uses a second set of switches to eliminate code-dependent glitches and delivers the highest performance to meet the most demanding radio system requirements.
The quad switch architecture switches on both rising and falling edges of the sample clock, thus enabling modes like mix-mode, return-to-zero mode, and, on the AD9162/AD9164, the 2xNRZ mode with the FIR85 interpolator. The 2xNRZ mode, combined with an on-chip NCO, effectively doubles the first Nyquist zone RF synthesis bandwidth capability by using the rising and falling edges of the sample clock. Dual switch architectures don't have the ability to extend the bandwidth in this way because they only switch on the rising edge of the sample clock.
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