The principle and comparison of several level gauges for different price grades.
On 2019-06-06 15:01:16 in Knownlege
The principle and comparison of several level gauges for different price grades. ...
USB interface circuit analysis and fault maintenance.
On 2019-06-04 16:06:11 in Connector
This article writes about the USB interface circuit analysis and fault maintenance. ...
CPU power supply circuit structure.
On 2019-04-18 14:46:42 in Knownlege
This article describes the CPU power supply circuit structure. ...
Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens
On 2019-04-16 11:29:12 in Knownlege
This article briefly introduces the discrimination on the pseudo-concept of "reverse earth resistor value” and modification of multimeter pens ...
Function of digital multimeter diode block.
On 2019-04-13 14:33:53 in Knownlege
This article briefly introduces the function of digital multimeter diode block. ...
What is the apparent power of ATX power supply?
On 2019-04-04 11:53:03 in Knownlege
This article briefly introduces the apparent power of ATX power supply ...
What is gate circuit and how to judge it's good or bad?
On 2019-03-25 13:58:42 in IC Chips
This article describes the gate circuit and how to judge it's good or bad ...
The main switch transformer of ATX power supply
On 2019-03-19 16:25:18 in Transformer
This article writes about the main switch transformer of ATX power supply ...
Circuit diagram inspection
On 2019-03-19 15:33:37 in Knownlege
This article describes the circuit diagram inspection and software usage. ...
What is the diode and how to judge whether it is good or bad?
On 2019-03-16 13:34:16 in Generally electronic semiconductor
This article briefly introduces the diode and how to judge whether it is good or bad ...
How to measure the AXTpower?
On 2019-03-12 14:26:30 in Knownlege
This article describes the method to measure the AXTpower ...
What is a resistor and how to calculate its value?
On 2019-03-12 14:14:24 in Resistors
This article briefly introduces the resistor and its value calculation. ...
Light control automatic energy saving LED light circuit
On 2019-01-23 17:42:10 in Knownlege
This article writes about the light control automatic energy saving LED light circuit ...
What is the work principle of inductive electronic welcome device?
On 2019-01-23 17:05:22 in Knownlege
This article writes about the work principle of inductive electronic welcome device ...
How to measure a IGBT?
On 2019-01-15 14:35:49 in Generally electronic semiconductor
This article describes how to measure a IGBT ...
How to drawing of printed circuit boards?
On 2019-01-12 16:22:12 in Knownlege
This article briefly introduces how to drawing of printed circuit boards. ...
What are the characteristics and main parameters of Humidity sensitive resistor?
On 2019-01-09 15:32:22 in Resistors
This article writes about the characteristics and main parameters of Humidity sensitive resistor ...
What is a Aluminum Electrolytic Capacitor and its characteristics and applications?
On 2019-01-09 14:19:25 in Capacitors
This article describes the characteristics and applications of Aluminum Electrolytic Capacitor ...
What are the characteristics and parameters of the photosensitive resistor?
On 2019-01-08 15:44:42 in Generally electronic semiconductor
This article briefly introduces the characteristics and parameters of thephotosensitive resistor. ...
What is low frequency power amplifier circuit?
On 2019-01-07 14:27:17 in Knownlege
This article writes about the low frequency power amplifier circuit ...
What is a two-way trigger diode and how to detect it?
On 2019-01-02 17:59:43 in Generally electronic semiconductor
This article describes the two-way trigger diode and the detection. ...
Environmental Influence on Terminal Blocks
On 2018-12-26 10:47:54 in Knownlege
This article briefly introduces environmental influence on terminal blocks ...
Sequential logic circuit
On 2018-12-20 14:20:16 in Knownlege
This article briefly introduces sequential logic circuit ...
The main parameters and identification of the potentiometer
On 2018-12-20 13:38:20 in Generally electronic component
This article introduces the main parameters and identification of the potentiometer ...
How to test and repair the rectifier bridge?
On 2018-12-17 14:45:30 in Generally electronic semiconductor
This article introduces some ways to test and repair the rectifier bridge ...
What is a three-terminal integrated voltage regulator and how to classify?
On 2018-12-14 15:01:07 in Knownlege
This article describes the role of three-terminal integrated voltage regulator and how to classify ...
What is a negative temperature coefficient thermistor ( NTC )?
On 2018-12-14 14:37:37 in Generally electronic semiconductor
This article describes the features of negative temperature coefficient thermistor ( NTC ). ...
How to identify and detect common diodes?
On 2018-12-14 14:17:24 in Generally electronic semiconductor
This article briefly introduces how to identify and detect common diodes ...
Rated power rating and detection method of fixed resistance
On 2018-12-13 14:58:39 in Knownlege
This article briefly introduces rated power rating and detection method of fixed resistance ...
How to repair the circuit board?
On 2018-12-10 13:33:55 in Technology
This article briefly introduces how to repair the circuit board? ...
The computer heat sink
On 2018-12-10 13:18:45 in Knownlege
This article describes the features of computer heat sink ...
Decoupling capacitance design
On 2018-12-06 11:51:04 in Knownlege
This article briefly introduces the decoupling capacitance design ...
Common causes of virtual welding
On 2018-12-05 10:59:23 in Technology
This article describes the common causes of virtual welding ...
what is a transformer?
On 2018-12-01 10:13:03 in Generally electronic component
Transformer is also a kind of inductance component. It is a component made of electromagnetic induction principle of inductor. ...
The main characteristic of the diode is Danxian
On 2018-10-30 10:56:52 in Memory
It refers to the maximum positive current allowed to pass through the diode during long-term operation,which is related to PN junction area and external heat dissipation conditions. ...
how to detect a bandstop transistor?
On 2018-10-27 11:10:04 in Generally electronic semiconductor
Because of the internal resistance,the high resistance gear should be measured during testing ...
How to test and repair the rectifier bridge?
On 2018-10-26 15:52:31 in IC Chips
Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...
How to identify and detect common diodes?
On 2018-10-26 15:48:50 in IC Chips
Intuitive judgment. Some of the circuit symbols are printed on the diode to indicate polarity; one end of the negative pole of the diode is printed with a color ring as a negative mark ...