Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/75349
Título: A compact size wideband rf-vga based on second generation controlled current conveyors
Autores/as: Del Pino, J. 
Khemchandani, Sunil L. 
Galante Sempere, David 
Luján Martínez, C.
Palabras clave: Bicmos
Broadband Amplifier
Ism
Mics
Radio Frequency Variable Gain Amplifier (Rf-Vga), et al.
Fecha de publicación: 2020
Publicación seriada: Electronics (Switzerland) 
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 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.
URI: http://hdl.handle.net/10553/75349
DOI: 10.3390/electronics9101600
Fuente: Electronics (Switzerland)[EISSN 2079-9292],v. 9 (10), p. 1-12, (Octubre 2020)
Colección:Artículos
miniatura
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