A Wide Tuning Range High Output Power 56-74 GHz VCO With On-Chip Transformer Load in SiGe Technology

被引:0
|
作者
Nasr, I. [1 ]
Laemmle, B. [1 ]
Knapp, H. [2 ]
Fischer, G. [1 ]
Weigel, R. [1 ]
Kissinger, D. [1 ]
机构
[1] Univ Erlangen Nurnberg, Inst Elect Engn, Cauerstr 9, D-91058 Erlangen, Germany
[2] Infineon Technol, D-85579 Neubiberg, Germany
关键词
VCO; Transformer; Frequency Dividers; Colpitts; FMCW;
D O I
暂无
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
This paper presents a wide tuning range modified Colpitts VCO with high output power. The circuit was fabricated using a lowcost SiGe technology with an f(t)/f(max) of 170/250 GHz. The VCO can be tuned between 56.4 and 73.8 GHz having a tuning range of approximate to 27%. The maximum measured output power is +9.4 dBm, and the output power remains above +7.0 dBm over the entire tuning range. The VCO has a minimum phase noise of -95 dBc/Hz, which stays below -88 dBc/Hz over the entire tuning range. On-chip frequency dividers were used to enable easier measurement. A single transformer was designed and used simultaneously for output matching of the VCO and as an output balun. The overall chip draws 112 mA from a 3.3 V supply, where the VCO draws 45 mA of the total current.
引用
收藏
页码:49 / 52
页数:4
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