the first sampling arrangement is configured sample the analog signal in {HEAD ~ response} to {TAIL ~ a clock signal} having a sampling frequency corresponding to the first sampling rate; and 
to
the first sampling arrangement is configured sample the analog signal in { HEAD ~ response } to { TAIL ~ a clock signal } having a sampling frequency corresponding to the first sampling rate ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH