The bandpass modulators are implemented by use of {HEAD ~ resonators} which provide a substantially large gain at {TAIL ~ the arbitrary frequency} 
The bandpass modulators are implemented by use of { HEAD ~ resonators } which provide a substantially large gain at { TAIL ~ the arbitrary frequency }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL