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Title: Design and build a negative regulated DC supply
Authors: Lim, Kah Seng
Keywords: DRNTU::Engineering
Issue Date: 2016
Abstract: The negative regulated DC power supply is used in many application. The common use of negative DC voltage is in operational amplifiers which the device require both positive and negative voltage. This project aims to design and build a negative regulated voltage supply with maximum output current limit of -100 milli-ampere, voltage ripple of less than 0.2 volt and the output voltage to regulate at voltage range within -5V. The negative regulated voltage supply circuit consists of a step down transformer connected to a filter capacitor, rectifier and a regulator made up of transistors and other discrete components. The final outcome of the circuit design achieved the objective. This report covers the design process of the negative regulated voltage supply circuit using a software program and the implementation of the design into a hardware circuit. The test results, observations, problems faced and future recommendations of the project are discussed in this report.
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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