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