Title :
A 50-MHz 98-dB dynamic-range dB-linear programmable-gain amplifier with 2-dB gain steps for 3-V power supply
Author :
Kyung-Suc Nah ; Byeong-Ha Park
Author_Institution :
Samsung Electron. Co. Ltd., Kyungki, South Korea
Abstract :
A programmable-gain amplifier (PGA) circuit introduced in this paper has a dynamic gain range of 98-dB with 2-dB gain steps and is controlled by 6-bit gain control bits for a 3-V power supply. It has been fabricated in a 0.5-/spl mu/m 15-GHz f/sub T/ Si BiCMOS process and draws a constant current of 13-mA, independent of the gain settings. The active die area taken up by the circuit is 400-/spl mu/m /spl times/1170-/spl mu/m. A noise figure (NF) of 5-dB was measured at the maximum gain setting.
Keywords :
BiCMOS analogue integrated circuits; UHF amplifiers; UHF integrated circuits; automatic gain control; cellular radio; feedback amplifiers; 0.5 micron; 13 mA; 15 GHz; 3 V; 5 dB; AGC; BiCMOS process; GSM; PGA; active die area; constant current; dynamic-range dB-linear programmable-gain amplifier; feedback amplifiers; gain control bits; Analog integrated circuits; Digital integrated circuits; Electronics packaging; Gain control; Noise measurement; Power supplies; Radio frequency; Radiofrequency amplifiers; Radiofrequency integrated circuits; Transceivers;
Conference_Titel :
VLSI Circuits, 2001. Digest of Technical Papers. 2001 Symposium on
Conference_Location :
Kyoto, Japan
Print_ISBN :
4-89114-014-3
DOI :
10.1109/VLSIC.2001.934200
