Logarithmic amplification circuit based on FID signal acquisition and analysis detector

The invention relates to a logarithmic amplification circuit based on FID signal acquisition and an analysis detector, the logarithmic amplification circuit comprises a primary logarithmic amplification module, the primary logarithmic amplification module comprises an I/V conversion resistor, an ope...

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Bibliographic Details
Main Authors WANG LEI, YU ZHIWEI, GAO NING, FU CONG, TANG HUAIWU, XIA FENGQIANG, ZHANG JINGJING, YANG QICHAO
Format Patent
LanguageChinese
English
Published 02.01.2024
Subjects
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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Summary:The invention relates to a logarithmic amplification circuit based on FID signal acquisition and an analysis detector, the logarithmic amplification circuit comprises a primary logarithmic amplification module, the primary logarithmic amplification module comprises an I/V conversion resistor, an operational amplifier I, a triode I and a diode, one end of the I/V conversion resistor is connected with an FID signal input end, and the other end of the I/V conversion resistor is connected with an inverted input end of the operational amplifier I; an in-phase input end of the operational amplifier I is grounded, and an output end and an inverted input end of the operational amplifier I are respectively connected with two ends of the triode I and the diode which are connected in parallel; wherein the anode of the diode is respectively connected with the output end of the operational amplifier I and the emitter of the triode I, the cathode of the diode is respectively connected with the inverted input end of the ope
Bibliography:Application Number: CN202311058517