Microprocessor for voltage ramp programmers to obtain minimum programmable voltage increases of a few millivolts

Abstract From the Canadian patent

Microprocessor, for voltage ramp programmers having two voltage channel 2 and 3 (V2 and V3) and minimum variations of output voltages greater than 1 mV including a, summing amplifier having V2 V3 as input voltages, as, indicated above and V1 as defined below which compresses the, minimum output voltage variation from channel 2 (output voltage V2) by a factor equal to, or greater than the said minimum variation in channel CH2, adds the voltages of channel 3 to the compressed voltage of channel 2, subtracts an inserted voltage V1, equal to the maximum output value from channel 2 so as, to give an output voltage Vout having minimum voltage increases of 1 mV.