In {TAIL ~ an exemplary embodiment}, the integrators 212, 214 are realized using continuous time circuitry and each integrator 212, 214 is configured to generate a continuous time analog signal at its output based on a signal at {HEAD ~ its input} 
In { TAIL ~ an exemplary embodiment } , the integrators 212 , 214 are realized using continuous time circuitry and each integrator 212 , 214 is configured to generate a continuous time analog signal at its output based on a signal at { HEAD ~ its input }
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD