문제

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• 0답변
  The practice of power adapter current limiting. Current limiting resistor

  August 5, 2020 by Aaryn 0
• 0답변
  How to solve the problem that the product's 5V power supply will short circuit when welding? diode

  August 5, 2020 by Arie 0
• 0답변
  What is the realization principle of this panel power control circuit? Control circuit

  August 5, 2020 by Shea 0
• 0답변
  Please help analyze the causes of abnormal high and low levels of the output waveform of the operational amplifier circuit? Waveform

  August 5, 2020 by Emerson 0
• 0답변
  The open and closed loop voltage magnification of the series current negative feedback circuit. Voltage magnification

  August 5, 2020 by Riley 0
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  Ask for help about the switching control of the transistor. Switch control

  August 4, 2020 by Camille 0
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  AMS1117-3.3 heat 5V voltage input, input current 170ma. AMS1117

  August 4, 2020 by Jakob 0
• 1답변
  Find a fast power supply switching circuit between lithium battery and external power supply. Circuit design

  August 4, 2020 by Kira 0
• 0답변
  The power conversion of LM2576 loses voltage. Circuit design

  August 4, 2020 by Drake 0
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  Ask about the role of this diode. diode

  August 4, 2020 by Iris 0
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  The role of inductance in Boost circuit. boost circuit

  August 3, 2020 by Craig 1
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  Is the LC filter low-pass filtering or high-pass filtering? Time Domain

  August 3, 2020 by Jocelyn 0
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  High-voltage circuit do not know how to choose the topology? Topological circuit

  August 3, 2020 by Micah 1
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  The problem that the single-chip microcomputer drives the thyristor to control the AC contactor through the optocoupler. SOC

  August 3, 2020 by Lydia 0
• 0답변
  Why is there a power supply at both ends of the transistor of this circuit? Triode

  August 3, 2020 by Mark 0
• 0답변
  What should I pay attention to when switching from high-level IO port to low-level IO port? IO port

  July 31, 2020 by Elizabeth 2
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  Ask the reason why the device will automatically restart when the power supply and battery are switched without gaps? power supply

  July 31, 2020 by Dylan 3
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  How to design LLC resonant circuit? LLC resonant circuit

  July 31, 2020 by Sophia 2
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  A switch COM is pressed and connected to a high level, and how to connect after the nmos tube is turned on? NMOS tube

  July 31, 2020 by Noah 3
• 0답변
  Will the triode be burned out by the high current caused by the high level when it is used as the switching acceleration capacitor? switch

  July 31, 2020 by William 2