Distortion, originally considered an undesirable side effect of overloading audio equipment, has become a key element of countless genres of modern music. The history of distortion truly begins in the ...

The almost universal choice in semiconductor power amplifiers is for a unity gain output stage, and specifically a voltage follower. Output stages with gain are not unknown, 1 but they are not common.

When we think about signals and systems, we often do so with an emphasis on creating and transmitting signals with specific characteristics. That is, we want the signal to have some desired amplitude, ...

Made to measure: the 603A phantom from CIRS is designed specifically for SRS planning and comprises a tissue-equivalent, anthropomorphic design that can be imaged using X-ray, CT and a range of MRI ...