As used herein, a zero or near zero gain tempco comprises a range within +/−30 ppm/° C. such that an absolute value of {HEAD ~ the gain tempco contributions} due to {TAIL ~ the geometry term} is no more than 30 ppm/° C. of the absolute value of the gain tempco contributions due to recombination term 
due to
As used herein , a zero or near zero gain tempco comprises a range within + /−30 ppm/ ° C. such that an absolute value of { HEAD ~ the gain tempco contributions } due to { TAIL ~ the geometry term } is no more than 30 ppm/ ° C. of the absolute value of the gain tempco contributions due to recombination term
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH