Los Angeles Times

Bah, hum! Noisy transformer behind Cerritos man’s house is finally replaced

It may have taken 18 months, but the state Public Utilities Commission has finally pulled the plug on a humming backyard electric transformer that a Cerritos man says kept him awake at night. The ...
EDN

Accurately predict measured noise figures for transformer coupled differential amplifiers (Part 2 of 2)

Using a transformer-coupled differential inverting amplifier stage can give a very low input referred noise voltage or Noise Figure (NF) with exceptional SFDR/mW of power. Modern FDA’s can deliver ...
T&D

ABB Delivers Ultra-Low-Noise Transformers to New York City

ABB developed the technology for Ultra-Low-Noise transformers to help Consolidated Edison meet newly-enforced strict noise regulations in New York City Raleigh, North Carolina, November 10, 2008 – ABB ...
Arizona Daily Star

Noisy transformer gets the boot

It wasn't a big deal. That's what Oro Valley resident Mary Ochs now says about the old transformer that sat out in her front yard. But the constant hum that the dark green electrical box emitted day ...
T&D

New York City Receives Ultra-Low-Noise Transformers

ABB has developed the technology for ultra-low-noise power transformers to help electric utility Consolidated Edison (ConEd) meet the newly enforced noise regulations of New York City, considered by ...
EDN

Accurately predict measured noise figures for transformer coupled differential amplifiers (Part 1 of 2)

Using a transformer coupled differential inverting amplifier stage can give a very low input referred noise voltage or Noise Figure (NF) with exceptional SFDR/mW. The NF equation needs to include ...