Electronic Design

High-Speed RF Sampling ADC Boosts Bandwidth, Dynamic Range

This file type includes high-resolution graphics and schematics when applicable. Modern telecommunications applications like 4G Long Term Evolution (LTE) systems as well as forthcoming 5G systems use ...
Electronic Design

Fast ADC Facilitates Direct RF Sampling at Higher Frequencies (.PDF Download)

The critical component in all digital communications receivers is the analog-to-digital converter (ADC). The ADC sampling rate, bandwidth, and noise tolerance establishes the specifications and ...
Hackaday

Tearing Into Delta Sigma ADC’s

It’s not surprising that Analog to Digital Converters (ADC’s) now employ several techniques to accomplish higher speeds and resolutions than their simpler counterparts. Enter the Delta-Sigma (Δ∑) ADC ...
EDN

Basics of ADCs and DACs, part 4

The AD9042 is a 12-bit, 41 MSPS wideband ADC designed for communications applications where high SFDR is important. The SFDR for a 19.5 MHz input and a sampling frequency of 41 MSPS is shown in Figure ...
EDN

Signal Chain Basics #160: Making sense of coherent and noncoherent sampling in data-converter testing

Bad Fast Fourier Transfer (FFT) data captures can cause you to misunderstand the true performance of your analog-to-digital converter (ADC). Some engineers like to coherently sample and capture data ...