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Suzhou Jinhe Boyuan Measurement and Control Technology Co., Ltd

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Structure and Application of Linear DC Power Supply
Date: 2025-09-25Read: 30
Linear DC power supplyBy adjusting the tube to work in the linear amplification region to achieve voltage stabilization, the alternating current is first passed through a transformer to reduce the voltage amplitude, then rectified by a rectifier circuit to obtain pulsed direct current, and then filtered to obtain a direct current voltage with small ripples. Finally, fine tuning is performed through a voltage stabilization circuit to output high-precision direct current voltage.

Structural composition:

Power transformer and rectifier circuit: convert AC power into the required DC power.

Pre voltage stabilization circuit: Pre adjust and preliminarily stabilize the input AC or DC voltage to reduce the power consumption of linear adjustment components.

Linear adjustment component: Fine tune the filtered DC voltage to achieve the desired voltage value and accuracy requirements.

Filter circuit: To maximize the prevention and absorption of ripple waves, interference, and noise from the DC power supply, ensuring low ripple and low noise output voltage.

Single chip microcontroller control system: processes various signals detected, issues control instructions, and ensures the normal operation of the voltage stabilization system.

Auxiliary power supply and reference voltage source: Provide high-precision reference voltage source and power supply required for electronic circuit operation for DC voltage regulation system.

Linear DC power supplyApplication areas:

Laboratory testing: It can provide stable voltage and current for various instruments and experimental equipment, such as the DCX series linear DC power supply, which can be used for aviation equipment testing, vehicle equipment testing, etc.

Industrial production: widely used in industries such as electroplating, aluminum oxidation, and electrolysis. For example, the linear DC power supply of Hebei Tongke Electric can be used in water treatment processes such as electrocoagulation and electrodialysis.

Electronic device manufacturing: It is an important tool for testing, calibrating, and repairing electronic products, ensuring the reliable operation of electronic devices.