Low power wideband receiver and transmitter chipset for mm-wave imaging in SiGe bipolar technology
Radio Frequency Integrated Circuits Symposium（2012）
摘要
This paper presents a chip-set aiming at high resolution imaging systems for people screening applications operating near the W-band. The center frequency of operation is 78GHz with a 3-dB bandwidth of at least 7GHz for optimal image resolution and depth of focus. The frequency generation for both receive and transmit chips consists of a frequency quadrupler consisting of 2 cascaded active Gilbert mixers. The receiver RFIC contains 4 channels including LO generation and distribution. The measured receiver conversion gain is 23dB with a SSB NF below 10dB over a wide frequency range from 70GHz up to 82GHz. The transmitter RFIC includes LO generation, distribution and 4 output amplifiers with an output power of more than 0 dBm in a frequency range from 77GHz to 85GHz. Both receiver and transmitter ICs are supplied from a single 3.3V supply voltage and the power consumption per channel is below 160mW.
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关键词
imaging,sige,input amplifier,sige bipolar technology,frequency 70 ghz to 82 ghz,receiver rfic,millimetre wave imaging,radio transmitters,depth of focus,receiver conversion gain,power consumption,bipolar,semiconductor materials,transmitter,mm-wave,image resolution,low power wideband receiver,mixers (circuits),rfic,receiver,frequency 77 ghz to 85 ghz,voltage 3.3 v,high resolution imaging systems,low-power electronics,frequency quadrupler,radiofrequency integrated circuits,ge-si alloys,transmitter chipset,gain 23 db,optimal image resolution,frequency generation,mm-wave imaging,transmitter rfic,active gilbert mixer,mixer based frequency quadrupler,frequency 78 ghz,radio receivers,w-band,millimetre wave integrated circuits,power 145 mw,active,radiofrequency,radio frequency,chip,transmitters,real time,mm wave,low power electronics,integrated circuit
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