An electronic-nose sensor node based on a polymer-coated surface acoustic wave array for wireless sensor network applications.
Sensors (Basel)
; 11(5): 4609-21, 2011.
Article
em En
| MEDLINE
| ID: mdl-22163865
ABSTRACT
This study developed an electronic-nose sensor node based on a polymer-coated surface acoustic wave (SAW) sensor array. The sensor node comprised an SAW sensor array, a frequency readout circuit, and an Octopus II wireless module. The sensor array was fabricated on a large K(2) 128° YX LiNbO3 sensing substrate. On the surface of this substrate, an interdigital transducer (IDT) was produced with a Cr/Au film as its metallic structure. A mixed-mode frequency readout application specific integrated circuit (ASIC) was fabricated using a TSMC 0.18 µm process. The ASIC output was connected to a wireless module to transmit sensor data to a base station for data storage and analysis. This sensor node is applicable for wireless sensor network (WSN) applications.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Polímeros
/
Som
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Eletrônica
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Tecnologia sem Fio
Idioma:
En
Revista:
Sensors (Basel)
Ano de publicação:
2011
Tipo de documento:
Article
País de afiliação:
Taiwan