Design of W-Band VCOs with high output power for potential application in 77 GHz automotive radar systems

被引:0
|
作者
Li, H [1 ]
Rein, HM [1 ]
Suftorp, T [1 ]
机构
[1] Ruhr Univ Bochum, AG Halbleiterbauelemente, D-44780 Bochum, Germany
关键词
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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
It is demonstrated that SiGe bipolar preproduction technologies are well suited for VCOs in 77 GHz automotive radar systems. Due to the relatively high output power aimed at, the designer has to consider the physical transistor limits carefully. The VCOs need a single supply voltage only and have been fully integrated (including resonant circuit and output buffer) on a single small (1 mm(2)) chip, demonstrating their low-cost potential. First experimental results based on a not fully optimized design showed at a center frequency of about 77 GHz, a tuning range of 4.3 GHz and a phase noise of -95 dBc/Hz at 1 MHz offset frequency. The total, signal power of both outputs is 14.3 dBm. Simulations demonstrate a further potential increase of total output power (for two or four outputs) by about 5 dBm.
引用
收藏
页码:263 / 266
页数:4
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