Amplifiers, as a product category, are widely used in industrial and commercial sectors for signal amplification across various applications. While not a specific brand, amplifiers are produced by numerous companies globally, such as Siemens (Germany), Allen-Bradley (USA, part of Rockwell Automation), and Omron (Japan). These devices are essential in industries like automation, audio systems, telecommunications, and instrumentation, serving to boost electrical signals for improved performance. Key products include operational amplifiers (op-amps), power amplifiers, and instrumentation amplifiers, often available through industrial suppliers like Radwell and Grainger.

Comparators

Current-sense amplifiers

Difference amplifiers

Fully differential amplifiers

Instrumentation amplifiers

Operational amplifiers

Programmable variable gain amp

Special function amplifiers