This series is excerpted from “RF and Digital Signal Processing for Software-Defined Radio.” Order this book today at www.elsevierdirect.com or by calling 1-800-545-2522 and receive an additional 20% ...

Recent advances in high-speed data converters now digitize or generate signals directly at radio frequencies up to several gigahertz, replacing traditional radio-frequency (RF) components like mixers, ...

Does upsampling in digital audio actually improve DAC performance, or just make lower quality files look like high resolution audio?

A cellular or desktop phone that converts human speech to a digital signal and vice versa. Cellphones use the GSM or CDMA technology, whereas the desktop phones that connect to an in-house PBX or key ...