Optocoupler relay gear control linear amplifier

The utility model discloses an optocoupler relay gear control linear amplifier, which belongs to the field of chemical analysis instruments and comprises a signal processing board, one end of the signal processing board is connected with a signal input end, the other end of the signal processing boa...

Full description

Saved in:
Bibliographic Details
Main Authors XUE QINGJUN, ZHAO WEIDONG
Format Patent
LanguageChinese
English
Published 05.11.2021
Subjects
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
Online AccessGet full text

Cover

More Information
Summary:The utility model discloses an optocoupler relay gear control linear amplifier, which belongs to the field of chemical analysis instruments and comprises a signal processing board, one end of the signal processing board is connected with a signal input end, the other end of the signal processing board is connected with a power interface, and a gear switching and micro-current amplifying circuit board is integrated on the signal processing board. A shielding shell covers the gear switching and micro-current amplification circuit board; the gear switching and micro-current amplification circuit board comprises an optocoupler relay gear switching circuit and a micro-current amplification circuit; wherein the optocoupler relay gear switching circuit comprises at least two optocoupler relay chips which are connected in parallel, a first interface of each optocoupler relay chip is connected with a high resistor in series, and a second interface of each optocoupler relay chip is connected with a resistor and a capac
Bibliography:Application Number: CN202120673559U