ECE Dept, K.N. Toosi University of Technology

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Presentation transcript:

ECE Dept, K.N. Toosi University of Technology Nyquist Rate ADCs Dr. Hossein Shamsi ECE Dept, K.N. Toosi University of Technology

Content Sample & Hold Circuits Voltage Comparators Dual-Slope ADC Flash ADC SAR ADC Cyclic ADC Two-Step ADC Pipelined ADC Time Interleaved ADC Maxim

Ideal Voltage Comparator Maxim

Preview - Flash ADC Maxim

Design Considerations Maxim

Gain Requirements Maxim

How to Implement High Gain? Maxim

How about Using an OpAmp or OTA? Maxim

Cascade of Open-Loop Amplifiers Maxim

Step Response (1) Maxim

Step Response (2) Maxim

Delay versus Number of Stages Maxim

Optimum Number of Stages Maxim

Optimum Gain per Stage Maxim

Cascade of "Integrators" (1) Maxim

Cascade of "Integrators" (2) Maxim

Latched Comparator (2) Maxim

Comparison Maxim

Latch "Gain” Maxim

Architecture Kick back: لگد زدن metastable: ناپایدار Bother: دردسر Why bother?: یک اصطلاح است و به معنای به چه منظور است Why bother? = What’s the point?; It’s not necessary Maxim Kick back: لگد زدن metastable: ناپایدار

Metastability (1) Maxim

Metastability (2) Maxim

Metastability (3) Maxim

CMOS comparators Maxim

Input Referred Offset Maxim

Amplifier Offset Cancellation (1) Maxim

Amplifier Offset Cancellation (2) Maxim

Output Series Cancellation Maxim

Input Series Cancellation Maxim

Overdrive Recovery Maxim

Comparator Example Maxim