Tracking - hold intermediate frequency (IF) signal acquisition circuit (AD9100/AD9618)

Published:2012/8/23 22:21:00 Author:Ecco | Keyword: Tracking - hold , intermediate frequency , signal acquisition | From:SeekIC

AD9100 has a wide dynamic range, and therefore can be used to capture the super signal, and it can directly convert the intermediate frequency signal (IF) to digital signal. After IF signal is input AD9100, T / H clock control sampling and holding, then the signal is output and amplified by AD9618, and the ADC circuit converts the analog signal to a digital signal. With reducing analog signal input level, the method can realize the track and hold with a minimum distortion; while adjusting the AD9618 gain, the analog signal range input to ADC meets the full scale range of the A / D converter - digital conversion.



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