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实用模拟电路设计技术-5

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实用模拟电路设计技术-5
SECTION 5

UNDERSAMPLING APPLICATIONS

Fundamentals of Undersampling

Increasing ADC SFDR and ENOB using External SHAs

Use of Dither Signals to Increase ADC Dynamic Range

Effect of ADC Linearity and Resolution on SFDR and
Noise in Digital Spectral Analysis Applications

Future Trends in Undersampling ADCs




1
SECTION 5

UNDERSAMPLING APPLICATIONS
Walt Kester
An exciting new application for wideband, low distortion ADCs is called
undersampling, harmonic sampling, bandpass sampling, or Super-Nyquist
Sampling. To understand these applications, it is necessary to review the basics of
the sampling process.

The concept of discrete time and amplitude sampling of an analog signal is shown in
Figure 5.1. The continuous analog data must be sampled at discrete……
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实用模拟电路设计技术-5
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