The epitaxial, Schottky clamped cermet film, multi-level metal 64 BC II correlator and the triple diffused resistor, single level metal 64 BC III correlator both meet the specifications. The 64 BC III has exhibited superior yields and is therefore the best candidate for further fabrication. For applications involving data rates of 20-30 MHz or lower, the triple diffusion technology would offer the highest yield and probably the best choice. For data rates above 20-30 MHz the epitaxial technology is the best choice. The maximum data rate of the triple diffused structure may increase in time however, it is presently viewed that the epitaxial structure will continue to offer a higher data rate capability due to the relative device performance.