The Infrared Demodulation Circuit Using Low-Noise Amplifier


Posted on Feb 6, 2014

This circuit uses the HgCdTe demodulation device which can be cooled to 77K in liquid nitrogen. It uses a constant current bias for the demodulation device which is connected to the input port. The voltage`s amplification factor is 200 and the bandwidth is above 1MHz. The noise factor is 1.5dB when use the typical demodulation device. This circuit uses two..


The Infrared Demodulation Circuit Using Low-Noise Amplifier
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