A fully differential 900 MHz CMOS LNA using, as input stage, nMOS and pMOS inductively degenerated pairs, in shunt configuration, achieves the following performance: 2 dB NF, 22 dB voltage gain, -3 dBm IIP3 with 8 mA current consumption. As additional feature of this LNA is a variable gain. Measurements have been performed on packaged dies. No external components are used, except for an SMD inductor (used for tuning purposes), placed in series with the on-chip gate spiral inductor
A 2 dB NF, Fully Differential, Variable Gain 900 MHz CMOS LNA
SVELTO, FRANCESCO;CASTELLO, RINALDO
2000-01-01
Abstract
A fully differential 900 MHz CMOS LNA using, as input stage, nMOS and pMOS inductively degenerated pairs, in shunt configuration, achieves the following performance: 2 dB NF, 22 dB voltage gain, -3 dBm IIP3 with 8 mA current consumption. As additional feature of this LNA is a variable gain. Measurements have been performed on packaged dies. No external components are used, except for an SMD inductor (used for tuning purposes), placed in series with the on-chip gate spiral inductorFile in questo prodotto:
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