Receiver with fast gain control and digital signal...

Details Receiver with fast gain control and digital signal... Receiver with fast gain control and digital signal...

2011-05-31

2011-05-31

Fan, Chieh M. (Department: 2611)

Pulse or digital communications

Receivers

Automatic gain control

C375S150000

Reexamination Certificate

active

07953192

ABSTRACT:
Embodiments of the present general inventive concept relate to a transient signal compensator for apparatuses such as a transceiver or receiver used in a wire/wireless communication and/or a digital signal processor that may be used in the receiver and methods thereof. In one embodiment, a receiver can include an amplifier to amplify a received signal, a digital filter to filter a digital signal corresponding to an output signal of the amplifier, where the digital filter is configured to replace a corresponding value (e.g., stored in a memory) for the digital filter with a gain compensated value during a predetermined delay time after a gain of the amplifier is changed (e.g., from a first gain g1to a different second gain g2). The gain compensated value to compensate for a transient signal (e.g., related to the change from the first gain g1to the second gain g2).

REFERENCES:
patent: 3875515 (1975-04-01), Stuart et al.
patent: 2006/0018486 (2006-01-01), Neoran et al.

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