2016
DOI: 10.1109/jssc.2015.2504413
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Short Channel Output Conductance Enhancement Through Forward Body Biasing to Realize a 0.5 V 250 0.6–4.2 GHz Current-Reuse CMOS LNA

Abstract: This work examines the use of a forward body biasing (FBB) scheme to mitigate output conductance degradation due to short channel effects in ultra-low voltage (ULV) circuits with no additional power consumption. It is shown that FBB boosts the output resistance of a transistor such that the intrinsic gain reduction due to low-supply voltages can be compensated. This technique is then used to implement a low-noise amplifier (LNA) tailored for ultra-low power (ULP) and ULV applications. The proposed LNA uses com… Show more

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Cited by 59 publications
(6 citation statements)
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“…During the 1970s-1990s, engineers usually tried to fabricate integrated wideband amplifiers by utilising the BJT, MESFET, BiFET, HEMT, MOS, CMOS and BiCMOS technologies. In the 2000s, they chiefly focussed on the CMOS, BiCMOS and HEMT processes to design integrated wideband and ultrawideband LNAs, and also, they proposed different solutions such as shunt feedback technique to control gain, bandwidth and noise, common gate topology to realise wideband input [86,88,132,134,142,149,171,174,176,202,206,207,211,214,217,244,250,251,256,262,264,268,277,285,290,298,302,303,308,310,311,321,327,341,349,360] Gain � BW/P dc � (NF − 1) Or 20log 10 134,141,206,213,217,218,231,251,277,290,…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…During the 1970s-1990s, engineers usually tried to fabricate integrated wideband amplifiers by utilising the BJT, MESFET, BiFET, HEMT, MOS, CMOS and BiCMOS technologies. In the 2000s, they chiefly focussed on the CMOS, BiCMOS and HEMT processes to design integrated wideband and ultrawideband LNAs, and also, they proposed different solutions such as shunt feedback technique to control gain, bandwidth and noise, common gate topology to realise wideband input [86,88,132,134,142,149,171,174,176,202,206,207,211,214,217,244,250,251,256,262,264,268,277,285,290,298,302,303,308,310,311,321,327,341,349,360] Gain � BW/P dc � (NF − 1) Or 20log 10 134,141,206,213,217,218,231,251,277,290,…”
Section: Discussionmentioning
confidence: 99%
“…Frequency response of the active inductor load [121] F I G U R E 2 4 Schematic of the proposed inductorless differential low noise amplifier [121] 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, 212, 216, 218, 220, 226, 227, 232, 233, 235, 236, 247, 254, 257-259, 266, 267, 270, 275-277, 282, 283, 287, 290, 291, 295, 298, 302, 305-307, 309, 312, 314, 317, 322, 326-328, 335, 338, 349-351, 355, 357], 'the g m -boosting topology' [164, 167, 168, 172, 176, 181, 184, 192, 194, 195, 206, 208, 209, 212, 213, 225, 227, 228, 232, 233, 236, 250, 252, 256, 266, 267, 273-277, 282, 285-287, 290, 291, 298, 302, 305-307, 309, 314, 317, 321, 326, 327, 338, 346, 349], 'the inductive peaking topology' [165,167,173,185,207,260,262,288,290,309,311,349,353], 'the current-reused technique' [174,185,188,206,225,228,274,276,285,290,298,306,315,337,338,346,349,355] and 'the AI technique' [164,179,22...…”
Section: In the 2010smentioning
confidence: 99%
“…The power consumption of the CMOS sensing circuit can be estimated as the total power consumption of LNA, PD, and comparator. The power consumption of LNA at required frequency range (1.3-1.5 GHz, Figure 4A) can be estimated around 160 µW (Parvizi et al, 2016). However, this is a wideband LNA and the power consumption of narrowband LNA can be lower (Kargaran et al, 2018).…”
Section: Hand-written Digit Recognition Applicationmentioning
confidence: 99%
“…However, the on-chip bulky inductors occupy very large area which counters the purpose of high integration required in the ultrasound systems and many other applications. In addition, accurate inductor models are very difficult to build, which may lead to many times of tape-out and thus greatly increasing of the cost [15,16,17,18]. Therefore, inductor-less LNA has become more attractive in these years and several topologies had been proposed in the published literatures [19,20,21,22,23,24,25].…”
Section: The Echo Signal Lna Integrated Circuit Designmentioning
confidence: 99%