The input of the first integrator 212 is coupled to the input summing {HEAD ~ junction} 210 and the input of the second integrator 214 is coupled to {TAIL ~ the output} of the first integrator 212 
The input of the first integrator 212 is coupled to the input summing { HEAD ~ junction } 210 and the input of the second integrator 214 is coupled to { TAIL ~ the output } of the first integrator 212
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH