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This paper presents a sixth-order bandpass ΣΔ modulator with 10 MHz bandwidth and 200 MHz center frequency suitable for high-IF applications. The fs/4 modulator employs an 800 MHz clock frequency and uses an active RC loop filter implemented with three-stage linearized operational amplifiers achieving more than 50 dB gain at 200 MHz. Furthermore, a calibration technique is proposed to compensate for...
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