High Speed Greatest of Comparator Circuit.
OFFICE OF THE SECRETARY OF THE ARMY WASHINGTON D C
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The patent describes a device for analyzing groups of signals simultaneously, providing a digital signal to indicate which signal is the largest, and produce the amplitudes of the largest inputs in the other groups. The signals in a particular group are fed to a parallel combination of transistors. The largest signal in a group causes its transistor to conduct and thereby back-bias all other transistors. A plurality of groups are likewise connected so that the largest signal from any group is presented at a particular output. The largest signals from the other groups produce outputs which are fed to inhibit gates AND gates along with other outputs from the groups to control output transistors so that their output is the same as the second and third largest input signals.
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