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How fast and How slow can we create ramp in 1-way sweep mode? for HMC778


how can i find the Maximum speed and Minimum speed that i can ramp up in 1-way frequency sweep mode using


i the below attached picture i want to know how small can the Tramp time can be configured.

Thanks and regards


  • Hi Suraj,

    The speed of Tramp for each application is different and I don't have a minimum time available. T_ramp is dependent on a number of factors including phase / frequency settling time of loop, number of steps, delta between steps, pfd frequency, SPI write time. You'll can to investigate this using one of our evaluation kits.

    Best Regards,