Nature

Variable Gain Amplifiers in CMOS Technology

Variable Gain Amplifiers (VGAs) implemented in Complementary Metal-Oxide Semiconductor (CMOS) technology have emerged as a critical component in modern analog and mixed-signal systems. These ...
Electronic Design

Variable-Gain Amplifiers: A Look At The Larger Picture

Programmable-gain amplifiers (PGAs) are actually a subset of variable-gain amplifiers (VGAs). Widely used in wireless communications, industrial scanning, radar, ultrasound, and speech-analysis ...
EDN

Variable gain amplifiers for IF and RF applications cover 30 to 1000 MHz

Chelmsford, MA — Hittite Microwave Corporation has introduced two digital variable gain amplifiers which are ideal for automotive, broadband, cellular/3G, WiMAX/4G, military and test & measurement ...
Electronic Design

Variable Gain Amplifiers

What are VGAs? Variable gain amplifiers (VGAs) are signal-conditioning amplifiers with electronically settable voltage gain. There are analog VGAs and digital VGAs, or DVGAs. An analog voltage ...