Tuning control circuit of single-channel laser

The utility model relates to a tuning control circuit of a single-channel laser, which comprises a sampling amplifying circuit, a power amplifying circuit, a protective circuit and a power circuit, wherein the sampling amplifying circuit comprises an integrated operational amplifier, an adjustable r...

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Bibliographic Details
Main Authors WANG LILI, SHANG HAIQING, ZHANG ZHENGYANG
Format Patent
LanguageChinese
English
Published 03.08.2011
Subjects
AMPLIFIERS
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
DEVICES USING STIMULATED EMISSION
ELECTRICITY
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Summary:The utility model relates to a tuning control circuit of a single-channel laser, which comprises a sampling amplifying circuit, a power amplifying circuit, a protective circuit and a power circuit, wherein the sampling amplifying circuit comprises an integrated operational amplifier, an adjustable resistor RW1, resistors R6 and R7, as well as capacitors C8 and C9; the adjustable resistor RW1 is connected with the negative input end of the integrated operational amplifier through the resistor R6; the resistor R7 is connected between the negative input end and the output end of the integrated operational amplifier; the capacitor C8 is connected between the negative power end of the integrated operational amplifier and the ground; and the capacitor C9 is connected between the positive power end of the integrated operational amplifier and the ground. The sampling amplifying circuit can output high-power high-precision 0-100V voltage control signals, the protective circuit can reliably protect high-power elements
Bibliography:Application Number: CN20102676015U