Now showing items 1-10 of 26
Fully integrated millimeter-wave VCO with 32 % tuning range
In this paper, the authors present a fully integrated VCO with 32 % tuning range centered at 38.9 GHz. The VCO was designed using a commercially available, inexpensive 0.8 µm Si/SiGe HBT technology with fT and fmax of 80 ...
Compact SiGe HBT low noise amplifiers for 3.1 - 10.6 GHz ultra-wideband applications
Two compact SiGe HBT low noise amplifiers for ultra-wideband (UWB) applications are presented. The measured noise figure of the first approach is 2.4 dB at 7 GHz and below 2.9 dB in the UWB bandwidth from 3.1 GHz up to ...
Highly compact 3.1 - 10.6 GHz UWB LNA in SiGe HBT technology
We present the design, implementation and measurement of a low noise amplifier (LNA) in a low cost 0.8 mym SiGe hetero-junction bipolar technology (HBT). The measured noise figure is between 2.1 dB and 2.6 dB in the ...
A SiGe HBT low-power pulse generator for impulse radio ultra-wide band applications
In this paper a compact ultra-wide band (UWB) pulse generator using SiGe HBT technology is presented. The proposed circuit uses a simple circuitry to generate a current spike on chip, which in turn triggers an under-damped ...
Analog synchronous receiver for multi-gigabit wireless communications
In this work, we present a synchronous receiver architecture utilizing analog carrier recovery, to be used in multi-gigabit wireless communication systems. Carrier phase and frequency synchronization in the analog receiver ...
A highly compact SiGe HBT differential LNA for 3.1 - 10.6 GHz ultra-wideband applications
A fully differential low noise amplifier (LNA) using SiGe HBT technology for ultra-wide band applications is presented. Measured results show the maximum power gain of 19.9 dB with a variation of 1.8 dB within the entire ...
Multi-user capability of a FM IR-UWB system
FM over impulse radio UWB
Recent regulatory action provided access to large chunks of spectrum for low spectral power density ultra-wideband communication and sensing devices, yet use of this spectrum currently lags behind expectations. The authors ...
IR-UWB radar demonstrator for ultra-fine movement detection and vital-sign monitoring
In this paper an impulse-radio ultra-wideband (IR-UWB) hardware demonstrator is presented, which can be used as a radar sensor for highly precise object tracking and breath-rate sensing. The hardware consists of an impulse ...
U- and V-band signal sources in Si/SiGe technology
A U-band VCO and a V-band push-push frequency doubler are designed in a 0.25 mym SiGe:C BiCMOS technology. The VCO oscillates from 48 GHz to 55 GHz, with an output power of around - 1 dBm and a phase noise of - 84 dBc/Hz ...