High speed digital received signal strength indicator circuit

Details High speed digital received signal strength indicator circuit High speed digital received signal strength indicator circuit

2006-05-30

2006-05-30

Urban, Edward (Department: 2685)

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

C455S115300, C455S232100, C455S251100, C455S226200, C370S335000, C370S342000, C370S441000

Reexamination Certificate

active

07054598

ABSTRACT:
A high-speed digital received signal strength indicator (RSSI) circuit is provided. The high speed digital RSSI circuit includes an amplifying unit which includes a plurality of amplifiers connected in series for amplifying a received signal through multiple stages, a thermal code generating unit for generating a thermal meter code of 2nbits by using a pair of output signals that are outputted from each of the amplifiers of the amplifying unit and have an inversed phase to each other, and a binary code converting unit for converting the thermal meter code of 2nbits into a binary code of n+1 bits, and thus outputs the binary code as digital RSSI data for controlling the gain of the received signal

REFERENCES:
patent: 6067292 (2000-05-01), Huang et al.
patent: 6961546 (2005-11-01), Rofougaran et al.
patent: 2003/0031121 (2003-02-01), Sudo
patent: 2005/0073944 (2005-04-01), Rudkin

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