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This paper presents a design of 1.2 V thermal noise-canceling differential amplifier using 0.13 um CMOS technology. The amplifier employs a CMOS inverter-based transimpedance amplifier, and a noise-canceling circuitry. The thermal noise-canceling circuitry is used to cancel channel thermal noise of the input MOSFET. The simulation result shows the noise figure of 2.32 dB. The gain and bandwidth of...
A novel current-mode CMOS digitally controlled variable gain amplifier (VGA) is presented in this paper. The proposed VGA is based on new ??0.75 V digitally programmable second-generation current conveyors (DPCCII) with digital current gain control. The input stage of the DPCCII is realized using two complementary MOS differential pairs connected in parallel to ensure rail-to-rail operation. The output...
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