Two members mentioned Shottky Diode drop as 0.3 V & 0.4 V. The specs I have seen, & measured, are 0.5 V. Germanium was 0.3 V - but limited current. An old trick was using one section of a power Ge Xstr as a diode, but the Shottky is a better design parameter, if the 0.5 V is acceptable.
jackson73
