Since the conception of radio astronomy [1], researchers have been striving to develop a"
zero-noise" broadband receiver. Although this goal has remained elusive, the pursuit of it …

The noise of a cryogenic low‐noise amplifier (cryo‐LNA) directly impacts the sensitivity of a
terahertz superconducting heterodyne receiver. This paper aims to evaluate the noise …

In this paper, we study the effect of temperature changes on the noise performance of GaN
high electron mobility transistors (HEMTs) covering a wide temperature range (77 K to 400 …

A numerical model is used for accurately calculating the temperature along a coaxial line
with ends at different cryogenics temperatures. The calculations take into account the …

This paper addresses the need for measured cryogenic noise parameters. The
measurement process is discussed and an analysis of the measurement uncertainty is …

In this study, an efficient approach is presented to improve the characterization of various
microwave components commonly used in communication and radar applications, such as …

An extensive measurement campaign, including DC curves, S-parameters and noise factor
has been carried out on a 70 nm mHEMT technology (OMMIC's D007IH), both at ambient …

Since the conception of radio astronomy [1], researchers have been striving to develop a
'zero-noise'broadband receiver. Although this goal has remained elusive, the pursuit of it …

In this study, an efficient approach is presented to improve the characterization of various
microwave components commonly used in communication and radar applications, such as …

A novel, analytical treatment of noise factor in ideal transmission lines subjected to thermal
gradients is presented. Temperature dependence on the propagation direction is assumed …