2018
DOI: 10.1049/el.2017.4675
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62–92 GHz low‐noise transformer‐coupled LNA in 90‐nm CMOS

Abstract: A 69-92 GHz wideband low-noise amplifier (LNA) in a 90-nm CMOS process is presented. A transformer-based shunt-series feedback is designed to achieve a broad input matching and minimum noise figure (NF) simultaneously. Interstage matching is achieved by the on-chip transformer. The proposed four-stage common-source LNA achieves a wide 3-dB bandwidth of 23 GHz, a peak gain of 7.6 dB at 76 GHz, a minimum NF of 6.6 dB at 80 GHz, and an input 1-dB compression point of −7 dBm. The circuit occupies an area of 0.675 … Show more

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Cited by 14 publications
(9 citation statements)
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“…In the 2010s, MOSFET scaling reached 5 nm from 32 nm [30] and many studies [161–200, 201–250, 251–300, 301–361] were carried out by focussing on improving the mentioned topologies and techniques which were presented in the 2000s for wideband LNA. As examples, we can refer to ‘the noise/distortion cancelation topologies’ [164, 167, 173, 181, 189, 192, 194, 195, 201, …”
Section: Uwb Lnamentioning
confidence: 99%
See 1 more Smart Citation
“…In the 2010s, MOSFET scaling reached 5 nm from 32 nm [30] and many studies [161–200, 201–250, 251–300, 301–361] were carried out by focussing on improving the mentioned topologies and techniques which were presented in the 2000s for wideband LNA. As examples, we can refer to ‘the noise/distortion cancelation topologies’ [164, 167, 173, 181, 189, 192, 194, 195, 201, …”
Section: Uwb Lnamentioning
confidence: 99%
“…Considering the works of 2010s, [161–200, 201–250, 251–300, 301–361] it seems that optimum ultrawideband designs in the BiCMOS, the CMOS and the HEMT technologies are allocated to [305, 337, 345], respectively. In 2017, Ch.…”
Section: Uwb Lnamentioning
confidence: 99%
“…For interstage, matching transformer coupling is the traditional choice. This method not only brings to optimum impedance matching and noise figure (NF) but also enlarges the bandwidth [17]. However, the use of inductive coupling has its obvious limitations.…”
Section: Introductionmentioning
confidence: 99%
“…However, a CMOS Rx front-end suffers several drawbacks in terms of noise and linearity, which limit the detectable range and sensitivity of the radar systems [4]. Many circuit structures have been proposed to improve the performance of CMOS Rx for 77 GHz application [5][6][7][8][9][10][11][12][13][14][15][16], but the linearity of CMOS Rx is still limited and many of them occupy a large silicon area. In order to meet the different requirements of automotive radar supporting both short-and longrange communications, the Rx front-end requires high linearity.…”
Section: Introductionmentioning
confidence: 99%