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 ...
Yahoo News Australia

Transformer noise 'too costly to fix'

Western Power has been given approval for thousands of its suburban electricity transformers to breach noise regulations over concerns the $270 million cost of fixing the problem was unjustifiable.
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 ...
Electronic Design

30 MHz Vectoring Transformer Eliminates Noise To Enable Peak Speed VDSL2 Operation

The BX4285LNL VDSL vectoring transformers from Pulse Electronics Corporation can be used in both VDSL2 vectoring and non-vectoring configurations as Class H line drivers to deliver high bandwidth over ...
Los Angeles Times

Humph! He’s had it with the humming

The noisy dispute in Cerritos has become a humdinger. John Davis contends that a new electrical transformer behind his home of 33 years produces a constant humming sound that resonates through his ...
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

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 ...