The resistor R1 and the two capacitors C1 and {HEAD ~ C2} serve to dimension {TAIL ~ the circuit} 
serve to dimension
The resistor R1 and the two capacitors C1 and { HEAD ~ C2 } serve to dimension { TAIL ~ the circuit }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL