Artículo
A Compact Size Wideband RF-VGA Based on Second Generation Controlled Current Conveyors
Autor/es | Pino, Javier del
L. Khemchandani, Sunil Galante-Sempere, D. Luján Martínez, Clara Isabel |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Electrónica |
Fecha de publicación | 2020 |
Fecha de depósito | 2020-11-30 |
Publicado en |
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Resumen | This paper presents a methodology to design a wideband radio frequency variable gain
amplifier (RF-VGA) in a low-cost SiGe BiCMOS 0.35 μm process. The circuit uses two Class A
amplifiers based on second-generation ... This paper presents a methodology to design a wideband radio frequency variable gain amplifier (RF-VGA) in a low-cost SiGe BiCMOS 0.35 μm process. The circuit uses two Class A amplifiers based on second-generation controlled current conveyors (CCCII). The main feature of this circuit is the wideband input match along with a reduced NF (5.5–9.6 dB) and, to the authors’ knowledge, the lowest die footprint reported (62 × 44 μm2 area). The implementation of the RF-VGA based on CCCII allows a wideband input match without the need of passive elements. Due to the nature of the circuit, when the gain is increased, the power consumption is reduced. The architecture is suitable for designing wideband, low-power, and low-noise amplifiers. The proposed design achieves a tunable gain of 6.7–18 dB and a power consumption of 1.7 mA with a ±1.5 V DC supply. At maximum gain, the proposed RF-VGA covers from DC up to 1 GHz and can find application in software design radios (SDRs), the low frequency medical implant communication system (MICS) or industrial, scientific, and medical (ISM) bands. |
Identificador del proyecto | RTI2018-099189-B-C22
ProID2017010067 TESIS2019010100 |
Cita | Pino, J.D., L. Khemchandani, S., Galante-Sempere, D. y Luján-Martínez, C.I. (2020). A Compact Size Wideband RF-VGA Based on Second Generation Controlled Current Conveyors. Electronics, 9, 1-12. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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A Compact Size Wideband .pdf | 3.752Mb | [PDF] | Ver/ | |
A Compact Size Wideband .pdf | 3.752Mb | [PDF] | Ver/ | |