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Patent

Temperature compensating comparator

TLDR
In this paper, an emitter-coupled differential comparator is proposed to compensate for a temperature-dependent differential-mode component of the signal sources, which is provided by a temperature responsive element coupled in the emitter circuit of one of the coupled transistors.
Abstract
An emitter-coupled differential comparator compares a horizontal rate ramp signal with a vertical-frequency parabola in a television context for producing horizontal rate pulses duration-modulated at the vertical rate. The comparator is arranged to compensate for a temperature-dependent differential-mode component of the signal sources. The compensation is provided by a temperature-responsive element coupled in the emitter circuit of one of the emitter coupled transistors.

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