Ultralow noise preamplifier for high impedance infrared bolometer

Autor:	D. Stefanovitch
Rok vydání:	1976
Předmět:	Noise temperature Materials science Preamplifier business.industry Noise spectral density Y-factor Noise figure Low-noise amplifier Noise generator Hardware_INTEGRATEDCIRCUITS Optoelectronics Effective input noise temperature business Instrumentation
Zdroj:	Review of Scientific Instruments. 47:239-240
ISSN:	1089-7623 0034-6748
Popis:	An ultralow noise preamplifier has been designed for use with a high impedance infrared bolometer. The preamplifier makes use of an ultralow noise field effect transistor connected to an operational amplifier in a cascode configuration. A simple regulator circuit allows the unit to be powered by any laboratory dc power supply instead of using special low noise batteries. The equivalent input noise, measured at room temperature with the input short circuited, is 1.5 nV/Hz1/2 rms at 80 Hz.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::10dc16b9233a535b055913261ff58d07 https://doi.org/10.1063/1.1134595 Zobrazit plný text záznamu