In one aspect, a wideband signal is received and the signal is sampled using {HEAD ~ a sampling device}, which includes an amplifier with {TAIL ~ an initial gain level}, to produce a plurality of sampled signals 
In one aspect , a wideband signal is received and the signal is sampled using { HEAD ~ a sampling device } , which includes an amplifier with { TAIL ~ an initial gain level } , to produce a plurality of sampled signals
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH