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A compact low power temperature sensor has been introduced in this paper. The proposed temperature sensor doesn't require any BJT and it is based on temperature dependency of threshold voltage of MOSFETs. The sensor is designed using seven transistors which are operated in sub-threshold region. The circuit has been simulated in Cadence with UMC90nm library using a power supply of ±0.5V. The circuit...
An ultra low power Op-Amp design is presented in this paper. In the proposed design, a gm enhancement technique is used to obtain sufficient gain and bandwidth. In the Op-Amp design, all transistors have been operated in weak inversion region. The proposed Op-Amp has been designed using UMC90nm library and simulated in Cadence analog design environment. The proposed circuit generates a 31dB gain,...
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