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Algorithmic adc thesis

algorithmic adc thesis

this 4-bit ADC in terms of the transistor count of the total structure and total propagation delay for different current comparators is summarized below in Table. Esperanca,., Goes,., Tavares,., Galhardo,., Paulino,., Silva,. Thus, in choosing the current comparators for a particular implementation of this algorithmic ADC, the tradeoff between the speed of operation or the total propagation delay and the total transistor count, which eventually translates in the chip area, needs to be given the due consideration. The subtractor exhibited a delay.5ns. 3: Traff's Current Comparator and simulation results Fig. Low-Power Column-Parallel ADC for cmos Image Sensor by mohan (ms thesis advisor, currently at maxim integrated products, inc.

algorithmic adc thesis

8 aff, 1992 Novel approach to high speed cmos current comparator, Electronics Letters, Vol. CrossRef MathSciNet Google Scholar. 1: The Algorithmic ADC. The value of B0 is used to calculate the next lower order bit. Dr ahmed ankit dissertation hemingway chris research demonstrate techniques that enable low voltage realization of algorithmic adc. Simulation results A 4-bit current mode algorithmic ADC based on the algorithm described in Section 2 was simulated using pspice program.8 m cmos technology. An ADC accepts an analog electrical signal such as voltage or current as its input and outputs a corresponding digital number in the desired format. The 4-bit structure is exemplary and can easily be extended up to a higher number using the underlying algorithm elaborated upon in section. The ADC achieves a measured peak signal-to-noise-ratio (SNR).9 dB and a peak (sndr).7 dB at Pin 6dBFS with a sampling rate.25 MS/s. Ieee International Solid-State Circuits Conference Digest of Technical Papers, 59, 822823.

This thesis presents two novel energy efficient techniques for algorithmic ADCs.
Parupalli (ms thesis advisor, currently at cirrus logic ) vamsis research focuses on the design of leakage insensitive low voltage.
Iterative gain enhancement in a power-efficient algorithmic adc.
Final Thesis - ADC.
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