Radar systems are gaining in popularity and spreading into more and more applications due
to their robust measurement method. While single-chip solutions have been published in the …

The rapid progress in semiconductor technology has vastly boosted the development of
terahertz sources and receivers in terms of compactness, reliability, operation frequency …

Commercial frequency-modulated continuous-wave (FMCW) radar systems are well-
established in the frequency range up to 100 GHz, with some exceptions operating in the D …

Radar systems got very popular in sensing applications in the last two decades besides the
traditional military sector. Nowadays, many applications favor multiple-input multiple-output …

Frequency divider circuits divide the frequency of an input signal by a specified ratio. They
are critical components in analog, digital, and mixed-signal microelectronics. In power …

Electronic measurement systems in the THz frequency range are often bulky and expensive
devices. While some compact single-chip systems operating in the high millimeter-wave …

This article compares two SiGe Colpitts quadrature voltage-controlled oscillators (QVCO)
with different coupling techniques in the low E-Band, intended to be used as signal sources …

Wireless communication and sensing applications seek higher frequencies to enable higher
data rates or more precise localization using a wider modulation bandwidth. Particularly, 6G …

This article introduces a 240-GHz multiple-input-multiple-output (MIMO) radar chipset,
consisting of a 120-GHz voltage-controlled oscillator (VCO) monolithic microwave integrated …

With recent advancements in SiGe BiCMOS technologies, HBTs with transit frequencies of
300GHz or more can be provided for circuit design. One of these is Infineon's newest 90~nm …