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We present an ultra-low-power SiGe BiCMOS receiver front-end for X-band phased-array radar systems. The receiver, which consists of two LNAs and a 3-bit phase shifter, consumes only 4 mW of DC power while achieving over 10 dB of gain, less than 5 dB noise figure, and an OTOI of over 10 dBm. In addition, the RMS gain and phase errors were less than 0.5 dB and 2deg, respectively. This design demonstrates...
A new differential LNA dedicated to 60 GHz band has been implemented in a 130 nm BiCMOS technology intended for millimeter-waves (mm-Waves) applications. Focusing on the circuit implementation which is a critical design step in mm-Waves range, this work proposes a systematic modeling of layout parasitic elements leading to almost perfectly fit measurement and simulation results. The two stage cascode...
We present a wideband, very low power, Low Noise Amplifier (LNA) implemented in Silicon-Germanium heterojunction bipolar transistor (SiGe HBT) technology. This SiGe LNA is broadband, covering the frequency range of 5-11 GHz, and achieves a peak gain of 19.2 dB and 66% fractional bandwidth. The LNA exhibits a Noise Figure (NF) of 1.8-2.6 dB across band and consumes only 9 mW of power. To the authors'...
A 122 GHz subharmonic receiver for imaging and sensing applications has been realized, which consists of a single-ended LNA, a push-push VCO with 1/32 divider, a polyphase filter, and a subharmonic mixer. It is fabricated in SiGe:C BiCMOS technology with fT/fmax of 255 GHz/315 GHz. The down-conversion gain of the receiver is 25 dB at 127 GHz, and the corresponding noise figure is 11 dB. The 3-dB bandwidth...
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