A 130 GHz CMOS Active Vector-Modulation Phase Shifter

Xuguang LI; Bing LIU; Haipeng FU; Kaixue MA

doi:10.11999/JEIT210071

Volume 43 Issue 6

Jun. 2021

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Xuguang LI, Bing LIU, Haipeng FU, Kaixue MA. A 130 GHz CMOS Active Vector-Modulation Phase Shifter[J]. Journal of Electronics & Information Technology, 2021, 43(6): 1559-1564. doi: 10.11999/JEIT210071

Citation:

Xuguang LI, Bing LIU, Haipeng FU, Kaixue MA. A 130 GHz CMOS Active Vector-Modulation Phase Shifter[J]. Journal of Electronics & Information Technology, 2021, 43(6): 1559-1564. doi: 10.11999/JEIT210071

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A 130 GHz CMOS Active Vector-Modulation Phase Shifter

doi: 10.11999/JEIT210071

School of Microelectronics, Tianjin University, Tianjin 300072, China

Funds: The National Key R&D Program of China (2018YFB2202500)

Received Date: 2021-01-21
Rev Recd Date: 2021-04-27

Available Online: 2021-05-14

Publish Date: 2021-06-18

Abstract

Abstract

A 130 GHz active Vector-Modulation (VM) phase shifter based on 55 nm CMOS process is presented for millimeter-wave phased array radar applications. A wideband quadrature generator, there stages variable gain amplifiers and a Gilbert-based summator are exploited in the proposed phase shifter. For improving the phase resolution and accuracy of the phase shifter, multi-stage wide gain-range variable gain amplifiers, which consists of stack common-gate amplifiers and the cascode amplifier based on capacitance neutralization technology, are employed. In addition, the Digital Controlled Artificial Dielectric (DiCAD) structure are also adopted in the proposed phase shifter to cover the phase gap result by VM structure. The full-wave electromagnetic simulation results show that the average gain of the proposed phase shifter is above 1 dB at 125 to 135 GHz. The phase shifting range can cover full 360°with a 5.6° phase step, and the RMS phase error is less than 4° at operating frequency range. The area of the phase shifter is 1100 μm×600 μm, and the power consumption is 33 mW.
- CMOS,
- Phase shifter,
- Vector-Modulation(VM),
- Millimeter-wave radar

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References(15)

References

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