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 ...
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 ...
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 ...
T&D

The quiet life

Transformer hum is characterized by several pure tones. The frequency of a number of these is in the range where the human ear is most sensitive. Moreover, transformer noise, being of tonal character, ...
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 ...