Keywords : CNC; digital ; power supply
Simple design of the source numerical control DC
Paper ID : JD820 papers Words: 5107 , Pages : 13
simple numerical DC source
Abstract : Design a simple numerical digital DC power supply, including digital control part ,
abercrombie ireland, D / A conversion section and the adjustable voltage regulator part. Digital part of the core circuit two cascaded BCD code up / down counter CD40192; its preset input D0 ~ D3 and BCD code dial switch connected to a voltage of the preset function ; order to complete the voltage of the automatic continuous scan ,
mac cosmetics wholesale, joined the CD4060, 8HZ pulse frequency generated by the CD4011 and CD4069 as well as composition of the gate ; D / A conversion part , and adjustable regulators ,
tory burch outlet, respectively, using a low-cost part of the right to resistance and three-terminal voltage regulator integrated circuit module CW7805 . Using Multisim2001 the entire circuit simulation and testing ,
tory burch outlet, by pressing a button on the control of output voltage step value , and key long press time to a continuous increase or decrease or change to a set of direct voltage , output voltage using three digital display . Test results show that the design meets the design requirements , has some practical value.
Simple numerical control DC source
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