A method, apparatus, and computer implemented instructions for restricting a fan-out type search of a distributed database. A first timing generator generates a coarse timing signal having a nominal period and a transition occurring at a precise temporal position with respect to the nominal period. The aluminum tube resists collapse of the inner tube at bends in the cable, inhibits or prevents hydrogen from reaching the fiber, and facilitates termination of the cable. The resulting temperature compensated control chamber allows the pressure splitter to easily be set for use with carburetors jetted for different base altitudes. A high-performancehigh variability type has a thin base in which the diffusion from the emitter intersects the base dopant diffusion within the \u201cramp\u201d of Ge concentration near the base-collector junction and a lower performancelower variability type has an additional epi layer in the base so that the emitter diffusion intersects the Ge ramp where the ramp has a lower ramp rate.