Contact Us
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Tel: +8618822802390
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E-mail: admin@gvda-instrument.com
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WhatsApp: 8618822802390
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Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
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22
May
2022
![[[TitleNews]]](/uploads/202225961/i202205201430218852906.jpg)
Positive and negative polarity output means that the output of the power supp...
Positive and negative polarity output means that the output of the power supply has positive and negative poles or that there is a negative voltage. Is the indicator of making a DC
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21
May
2022
![[[TitleNews]]](/uploads/202225961/i202205201434154165377.jpg)
The reason why the output of the DC power supply becomes negative
The reason why the output of the DC power supply becomes negative The reasons for the negative output of the general DC power supply: The DC converter is to convert a fixed DC
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21
May
2022
![[[TitleNews]]](/uploads/202225961/i202205201434421040389.jpg)
Classification and application of parity check code for DC power supply
Classification and application of parity check code for DC power supply The parity check code of the DC power supply is generally divided into two parts: one is the information
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21
May
2022
![[[TitleNews]]](/uploads/202225961/i202205201435096196978.jpg)
How to convert AC power into DC regulated power supply
How to convert AC power into DC regulated power supply? A general DC power supply consists of the following parts: The rectifier circuit converts power frequency alternating cu
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20
May
2022
![[[TitleNews]]](/uploads/202225961/i202205201155305654992.jpg)
How to use DC regulated power supply
How to use DC regulated power supply? Since it is a DC power supply, it is indicated that the positive and negative lines are divided. According to the positive and negative ele
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19
May
2022
![[[TitleNews]]](/uploads/202225961/i202205201156269717520.jpg)
Conventional use of DC regulated power supply
Conventional use of DC regulated power supply The use of the DC adjustable regulated power supply is relatively simple, and the main operation is to set the power supply accordi
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18
May
2022
![[[TitleNews]]](/uploads/202225961/i202205180925174703585.jpg)
DC power supply activated
DC power supply activated When the battery power is very low, the charger cannot be charged; adjust the voltage of the DC power supply to about 3.7V, then connect the positive a
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18
May
2022
![[[TitleNews]]](/uploads/202225961/i202205180924297360531.jpg)
Why activate first when using DC power supply
Why activate first when using DC power supply? DC power supply is a very important equipment in the power supply industry. Telecom DC power supply is composed of AC part, rectif
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18
May
2022
![[[TitleNews]]](/uploads/202225961/i202205180923335329047.jpg)
The DC power supply has both voltage output and current output, but if the vo...
The DC power supply has both voltage output and current output, but if the voltage is adjusted again, the voltage cannot be adjusted up. Or the power supply has voltage output and
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18
May
2022
![[[TitleNews]]](/uploads/202225961/i202205180921548141287.jpg)
When the DC stabilized power supply adjusts the voltage, it is found that the...
When the DC stabilized power supply adjusts the voltage, it is found that the no-load voltage cannot be adjusted. Some operators like to turn the "current adjustment" potentiome
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17
May
2022
![[[TitleNews]]](/uploads/202225961/i202205180920525328551.jpg)
The output of the DC regulated power supply has voltage but no current, or ha...
The output of the DC regulated power supply has voltage but no current, or has current but no voltage In any of the above cases, the power supply is working normally. The operat
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17
May
2022
![[[TitleNews]]](/uploads/202225961/i202205180920105172367.jpg)
recautions for the use of GVDA DC regulated power supply
recautions for the use of DC regulated power supply 1. According to the required voltage, first adjust the "coarse adjustment" knob, and then gradually adjust the "fine adjustme
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17
May
2022
![[[TitleNews]]](/uploads/202225961/i202205180919213610041.jpg)
Basic functions of DC regulated power supply
Basic functions of DC regulated power supply The DC regulated power supply generally has multiple outputs: for example, a fixed output of 5V, 2A is provided; two (A, B) adjustab
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16
May
2022
![[[TitleNews]]](/uploads/202225961/i202205162156171965061.jpg)
Principle of DC Power Supply Voltage Adjustment Module
Principle of DC Power Supply Voltage Adjustment Module DC power supply is an indispensable equipment in the power supply industry, such as the switching power supply industry, i
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16
May
2022
![[[TitleNews]]](/uploads/202225961/i202205162156501496739.jpg)
Precautions for the use of DC regulated power supply
Precautions for the use of DC regulated power supply The DC regulated power supply is an electrical energy supply device that converts the AC voltage into a stable DC power outp
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16
May
2022
![[[TitleNews]]](/uploads/202225961/i202205162157227903192.jpg)
The composition and function of low-power semiconductor DC stabilized power s...
The composition and function of low-power semiconductor DC stabilized power supply system The commonly used low-power semiconductor DC stabilized power supply system consists of
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16
May
2022
![[[TitleNews]]](/uploads/202225961/i202205162157472121540.jpg)
The operation method of DC regulated power supply
The operation method of DC regulated power supply: Turn on the power switch first and set the current. Because the output terminal needs to be short-circuited when setting the c
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16
May
2022
![[[TitleNews]]](/uploads/202225961/i202205162158557254641.jpg)
Usage of DC regulated power supply
Usage of DC regulated power supply The output voltage and current of this power supply need to be set separately, such as setting the output of 12.6v1.8A, the digital display ma
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14
May
2022
![[[TitleNews]]](/uploads/202225961/i202205131008410326788.jpg)
The working principle of DC switching power supply
The working principle of DC switching power supply 1. The AC power input is rectified and filtered into DC; 2. Control the switching tube through high-frequency PWM (pulse wi
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14
May
2022
![[[TitleNews]]](/uploads/202225961/i202205131009448139217.jpg)
Definition of Linear Power Supply
Definition of Linear Power Supply The linear power supply is to first reduce the voltage amplitude of the alternating current through the transformer, and then rectify it throug