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