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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Main Authors | , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
02.01.2024
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Subjects | |
Online Access | Get full text |
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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 |
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Bibliography: | Application Number: CN202311058517 |