245-GHz Transmitter Array in SiGe BiCMOS for Gas Spectroscopy

被引：37

作者：

Schmalz, Klaus ^{[1
]}

Borngraeber, Johannes ^{[1
]}

Debski, Wojciech ^{[2
]}

Elkhouly, Mohamed ^{[1
]}

Wang, Ruoyu ^{[1
]}

Neumaier, Philipp F. -X. ^{[3
]}

Kissinger, Dietmar ^{[1
,4
]}

Huebers, Heinz-Wilhelm ^{[3
,5
]}

机构：

[1] IHP, D-15236 Frankfurt, Oder, Germany

[2] Silicon Radar, D-15236 Frankfurt, Oder, Germany

[3] Deutsch Zentrum Luft & Raumfahrt DLR, Inst Opt Sensor Syst, D-12489 Berlin, Germany

[4] Tech Univ Berlin, D-10623 Berlin, Germany

[5] Humboldt Univ, Dept Phys, D-12489 Berlin, Germany

来源：

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY | 2016年 / 6卷 / 02期

关键词：

Antenna-array; gas spectroscopy; mm-wave (mm W); SiGe; transmitter; 245; GHz; SUBMILLIMETER SPECTROSCOPY; GHZ TRANSMITTER; RECEIVER; SPECTROMETER; TECHNOLOGY;

D O I：

10.1109/TTHZ.2015.2513278

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A 245-GHz transmitter (TX) array with an integrated antenna-array for a gas spectroscopy system has been realized. It consists of a push-push VCO with a 1/64 frequency divider, power amplifiers, frequency doublers, and on-chip antennas with localized backside etching. The TX-frequency is tunable in the range from 238 to 252 GHz. The TX-array has been fabricated in a 0.13-mu m SiGe:C BiCMOS technology with f(T)/f(max) of 300 GHz/500 GHz. Its output power is approximately 7 dBm at 245 GHz, and the effective isotropically radiated power (EIRP) reaches 18 dBm at 245 GHz. The main components of the gas spectroscopy system are a TX and a receiver (RX) in SiGe BiCMOS as well as a gas absorption cell. The sensitivity of this spectroscopy system is demonstrated by measuring the high-resolution absorption spectrum of gaseous methanol (CHaOH). Due to the increased power provided by the TX-array, the sensitivity of the spectrometer can be increased significantly.

引用

页码：318 / 327

页数：10

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