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Solve the cause of oscillation in the output ripple of the non-isolated power supply.
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Causes and solutions for the leakage current of the tertiary tube?
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What role does the MOS tube in the DCDC PMIC circuit play?
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The 8050NPN transistor has a problem with the level of the base voltage when the IO port has a pull-up resistor.
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January 15, 2021
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How to determine the lowest speed that can be controlled by PWM control of a DC brushed motor (with deceleration head)?
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How to configure the STM32F030SPI port?
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January 14, 2021
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To do a low-voltage power grid frequency detection system.
Circuit design
January 14, 2021
by Brett
24
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Several questions about the state of the triode.
Triode
January 14, 2021
by Sasha
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Respuesta
How to adjust the voltage of VGH VGL in the schematic diagram.
Voltage
January 14, 2021
by Marcos
12
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The signal detection is not sensitive enough, please help us to see, thank you.
Circuit design
January 14, 2021
by Emery
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Respuesta
Problems encountered during the experiment of voltage follower.
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January 13, 2021
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Ask about how to start the mcu task.
Embedded
January 13, 2021
by Lennon
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Respuesta
Regarding the elimination of spikes at the moment when the mos tube is turned on, what can you do to improve it?
MOS tube
January 13, 2021
by Jenson
20
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Respuesta
Why can't ATmega64 MCU call the delay function?
ATmega64
January 13, 2021
by Linda
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How do 3V I2C devices interface with 5V I2C devices?
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Pregunta
Hot Q&A
Discussion on the circuit principle of QC3.0 fast charge output terminal.
[Detalles]
A resistor connected in parallel on the optocoupler circuit.
[Detalles]
Causes and solutions for the leakage current of the tertiary tube?
[Detalles]
When the dual power supply circuit supporting the peripheral interface is unplugged from the USB, the system loses power briefly. What is the reason?
[Detalles]
What role does the MOS tube in the DCDC PMIC circuit play?
[Detalles]
Which power amplifier chip can I choose to drive an 8 ohm 10W speaker?
[Detalles]
The 8050NPN transistor has a problem with the level of the base voltage when the IO port has a pull-up resistor.
[Detalles]
I saw a circuit in the book, but I don't quite understand what role the part in the box plays in the circuit?
[Detalles]
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