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Luigi Lombardi, Gianvito Matarrese and Cristoforo Marzocca
The quartz tuning fork used as an acoustic sensor in quartz-enhanced photo-acoustic spectroscopy gas detection systems is usually read out by means of a transimpedance preamplifier based on a low-noise operational amplifier closed in a feedback loop. The...
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Bellamkonda Saidulu, Arun Manoharan and Kumaravel Sundaram
The preamplifier block is crucial in bio-medical signal processing. The power intensive Operational Transconductance Amplifier (OTA) is considered, and the performance of preamplifier is studied. A low noise and low power telescopic OTA is proposed in th...
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Patil, N. G. Levy, J.
Pág. 486 - 487
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Beltra´n, David; Perlas, Josep Antoni
Pág. 3075 - 3079
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Oh, E. S.; Sharp, E. H.; Fixsen, D. J.; Cheng, E. S.; Inman, C. A.; Silver,
Pág. 2735 - 2737
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