...稳压电源； 前置放大电路； 数字音量调节电路； 功率放大电路； 方波转换电路... [gap=8722]Key words： stabilized voltage power supply； preamplifier； digital volume control electric circuit；power amplifier； square ..
High power factor stabilizedvoltagesupply is a kind of high performance alternating current power supply which can not only steady the output voltage but also enhance the input power factor.
高功率因数稳压电源是一种既能起到稳压作用又可以提高电源输入端功率因数的高性能交流电源。
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After test, the designed powersupply performs well, works safely and has high precision, which is an ideal DC stabilizedvoltage supply for varieties of electrical devices.
经测试，该电源性能好、精度高、工作可靠，是多种电子设备的理想直流稳压电源。
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In this paper, a design and manufacture of a powersupply of high and stabilizedvoltage of d. C. of 400-1500 volt which is continuously modulated is presented.