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In this paper an analog to digital converter architecture is introduced. The proposed design is based on a mixed approach of flash type ADC and SAR type ADC. This design offers lesser number of comparators and so low power consumption with much less circuit complexity in comparison to conventional flash ADC architecture. Based on the proposed idea, a 4-bit ADC is simulated in Cadence virtuoso Tool...
Cascaded multilevel inverters synthesize a medium-voltage output based on a series connection of power cells which use standard low-voltage component configurations. This characteristic allows one to achieve high-quality output voltages and input currents and also outstanding availability due to their intrinsic component redundancy. Due to these features, the cascaded multilevel inverter has been...
In this paper an enhanced fully differential recycling folded cascode operational trans conductance amplifier that achieves higher DC gain with same power and area as that of recycling folded cascode OTA is discussed. Generally, the output impedance of the cascode amplifier depends on the current flowing into the cascode node. Hence, in order to increase the DC gain of the conventional Recycling Folded...
Design of high speed low power comparators are required to build an efficient analog to digital converters (ADCs). This paper mainly focuses on the preamplifier positive feedback latch based comparator for Asynchronous Successive Approximation Register ADC (ASAR ADC). The main components of such comparator are the preamplifier and latch circuit. Preamplifier is used for removing the kickback noise...
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