A theoretical study of some problems on low-noise pyroelectric detector-amplifier systems
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The configurations of the coupling network, which can effectively aecrease the effect of the noise sources within the amplifier on the equivalent input noise of the whole pyroelectric detector-amplifier system, are studied. The influences of feedback upon the noise properties of the basic amplifiers are analyzed. The procedures of designing low-noise pyroelectric detector-amplifier systems are followed.
Key wordscoupling network equivalent input noise pyroelectric detector feedback transimpedance
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