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- W4319986887 abstract "This work investigates a broadband binary phase shift keying (BPSK) transmitter system with a measured data rate of 52 Gb/s and 8.0-pJ/bit transmitter efficiency. The transmitter features local oscillator (LO) multiplication, 360° LO phase steering for phased array applications, a power-efficient BPSK modulator, and a very compact power amplifier (PA) connected to a differential bond wire interface. By employing a low-order modulation scheme, the baseband (BB) chain can be implemented at a very low complexity, which benefits power consumption. Proving the concept, an integrated circuit (IC) is fabricated in a 130-nm silicon–germanium (SiGe) bipolar complementary metal–oxide–semiconductor (BiCMOS) technology with a f <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>t</sub> /f <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>max</sub> of 350/450 GHz, covering 1.158 mm <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sup> . At 52 Gb/s, this circuit shows the highest reported data rate using BPSK modulation. The saturated output power of 3.5 dBm, while consuming 414 mW of direct-current (dc) power, results in a radio-frequency (RF) efficiency of 0.54%, which is a 28% improvement versus the state of the art. The high achieved data rate combined with circuit modules optimized for low power consumption results in a measured transmitter efficiency of 8.0 pJ/bit, improving the state of the art of complete transmitter systems in the same frequency band by 68% and 46% compared to BPSK and quadrature phase shift keying (QPSK) systems, respectively." @default.
- W4319986887 created "2023-02-11" @default.
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- W4319986887 date "2023-07-01" @default.
- W4319986887 modified "2023-09-26" @default.
- W4319986887 title "8.0-pJ/bit BPSK Transmitter With LO Phase Steering and 52-Gbps Data Rate Operating at 246 GHz" @default.
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- W4319986887 doi "https://doi.org/10.1109/tmtt.2023.3239792" @default.
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