Tunable 500 GHz transmitter array in SiGe technology for gas spectroscopy

被引：16

作者：

Schmalz, K. ^{[1
]}

Borngraeber, J. ^{[1
]}

Debski, W. ^{[2
]}

Neumaier, P. ^{[3
]}

Wang, R. ^{[1
]}

Huebers, H. -W. ^{[3
,4
]}

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] Humboldt Univ, Dept Phys, Berlin, Germany

来源：

ELECTRONICS LETTERS | 2015年 / 51卷 / 03期

关键词：

D O I：

10.1049/el.2014.4174

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 500 GHz system for gas spectroscopy is presented, which includes an integrated SiGe 4 x 1 transmitter (TX) array, a Golay cell as a detector and a 1.9 m-long gas absorption cell. The local oscillator (LO) of the TX array is controlled by an external phase-locked loop, whose reference frequency is swept. The four TX branches involve frequency quadruplers (x4). The TX branches are fed by a 120 GHz power division network, which is connected to the LO. The estimated radiated output power of the TX array is -7 dBm at 500 GHz. The absorption spectrum of gaseous methanol is shown for 494-500 GHz.

引用

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页码：257 / U68

页数：2

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