Noise and sensitivity in RF envelope detection receivers
IEEE Transactions on Circuits and Systems II: Express Briefs, 2013•ieeexplore.ieee.org
RF envelope detection receivers (RXs) are largely used in low-power and short-range
wireless applications because of their low power consumption. However, such RXs suffer
from poor sensitivity. In this brief, the noise characteristic of the RX is analyzed via a
nonlinear approach. It identifies the noise contributors in the RX and evaluates their impact
on the sensitivity. The proposed method is extended to the synchronized-switching envelope
detection RX, and the analysis is verified by the measurement results.
wireless applications because of their low power consumption. However, such RXs suffer
from poor sensitivity. In this brief, the noise characteristic of the RX is analyzed via a
nonlinear approach. It identifies the noise contributors in the RX and evaluates their impact
on the sensitivity. The proposed method is extended to the synchronized-switching envelope
detection RX, and the analysis is verified by the measurement results.
RF envelope detection receivers (RXs) are largely used in low-power and short-range wireless applications because of their low power consumption. However, such RXs suffer from poor sensitivity. In this brief, the noise characteristic of the RX is analyzed via a nonlinear approach. It identifies the noise contributors in the RX and evaluates their impact on the sensitivity. The proposed method is extended to the synchronized-switching envelope detection RX, and the analysis is verified by the measurement results.
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