Use c_sdp_N_clk_per_sync = c_sdp_f_adc_MHz*10**6.

.../designs/lofar2_unb2b_ring/src/vhdl/lofar2_unb2b_ring.vhd

...2_unb2b_sdp_station/src/vhdl/lofar2_unb2b_sdp_station.vhd

...2_unb2c_sdp_station/src/vhdl/lofar2_unb2c_sdp_station.vhd

applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd

applications/lofar2/libraries/sdp/src/vhdl/sdp_station.vhd