are needed to test at the high functional frequencies of these devices. This shift complicates the testing process, as it requires isolating high-frequency interfaces from the rest of the chip during ...

What Is a Liver Ultrasound? A liver ultrasound is a type of abdominal ultrasound, an imaging test that uses high-frequency sound waves to create pictures of the organs and structures in your ...

For example, it could suggest high-frequency hearing loss if you have difficulty hearing sounds above 2,000 Hz.' Blake Cadwell, co-founder of Soundly, described the test as a 'fun party trick'.

A prenatal ultrasound test uses high-frequency sound waves, inaudible to the human ear, that are transmitted through the abdomen via a device called a transducer to look at the inside of the abdomen.