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In this paper we propose a bidirectional front-end for resonating sensors with bandwidth control used to remove the high order oscillating modes. The electronic interface is based on an inverter working as amplifier biased by a voltage buffer, both realized in CMOS technology. The bandwidth of the amplifier can be tuned by varying a bias voltage which controls the high cut-off frequency of the front-end...
In this paper we propose a new front-end for resonating sensors which is based on a logic inverter working as amplifier. The front-end is compact and auto-zeroing which makes it a good candidate for integration and for low power applications. It has been simulated in AMS-350nm CMOS Technology and a prototype has been fabricated using discrete components on a PCB. The circuit was tested with a BvD...
In this paper, a new Ultra low voltage (ULV) logic circuit based on the floating gate structure is presented. In this technique we utilized the bulks of the transistors to speed up the circuit. Using the proposed method, the speed of the circuit enhances by connecting the bulks of the evaluating and recharge devices to the clock, power supply (VDD) and input signals. The simulation results for the...
In this paper, an Ultra Low Voltage NP domino logic style is presented to perform a 32 bit computation in a carry propagation chain. The presented logic style is targeted to operate at the supply voltages near the sub-threshold regime. Simulated results of 32-bit proposed carry chain compared to the conventional carry chain conclude that the proposed approach offers a superb improvement in terms of...
In this paper we present an Ultra-Low Voltage Pseudo Floating-Gate Amplifier (ULVPFGA). The amplifier has high gain and high linearity for supply voltages down to 300mV. The amplifier is based on Pseudo Floating-Gate and in addition to gain, it offers frequency band adjustment. Both the low- and high-frequency cutoffs are controlled electronically using bias voltages through their bulk. The ULVPFGA...
In this paper we present Auto-Zeroing Current-Starved Floating-Gate Amplifier(AZCSA). In addition to gain, the amplifier allows frequency band adjustment, suited for designing time-continuous analog filters. The Auto-Zeroing Current-Starved Floating-Gate Amplifier(AZCSA) is based on two previously presented floating-gate amplifiers. The AZCSA uses the advantages of these two amplifiers regarding the...
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