Autotransformer and voltage regulating transformer
On 2018-08-28 17:33:17 in Relays
The common characteristic of transformer is that the DC circuit on both sides is completely separated, and the energy transfer on both sides is coupled by magnetic field. ...
How to repair the mechanical multimeter AC voltage and current mode fault?
On 2019-01-28 13:44:30 in Technology
This article briefly introduces how to repair the mechanical multimeter AC voltage and current mode fault. ...
How to detect humidity resistors by using a pointer multimeter voltage shift?
On 2019-07-06 15:01:02 in Resistors
This article describes use the pointer multimeter voltage conversion to detect the humidity resistance ...
Gather voltage with ADC of STC microcontroller
On 2023-03-15 11:51:30 in Filter
This article explains how to measure voltage using the STC ADC, with a focus on understanding and configuring the appropriate settings and filters. ...
12V multiple output DC-DC voltage conversion module
On 2023-03-21 18:21:17 in IC Chips
Multi-output DC-DC voltage converter modules convert one DC voltage into several different DC output voltages for powering multiple systems. They are found in many applications and offer over-current and over-temperature protection. ...
Enhanced power devices open the way for high-voltage applications
On 2018-12-27 10:28:19 in Knownlege
This article briefly introduces the enhanced power devices open the way for high-voltage applications ...
How to use the negative output voltage to adjust the LED current in a buck-boost topology?
On 2020-03-16 10:14:18 in IC Chips
This article describes the characteristics of the LED. ...
How to detect a flashing light emitting diode(BTS)?
On 2018-12-25 11:45:47 in Generally electronic semiconductor
This article briefly introduces how to detect a flashing light emitting diode(BTS) ...
What are the reference voltage points of ATX power supplies?
On 2019-04-15 14:08:24 in Knownlege
This article briefly introduces the the reference voltage points of ATX power supplies ...
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 the value of graphene materials?
On 2020-12-05 11:53:05 in Capacitors
This article describes the characteristics of the graphene materials. ...
What are the commonly used power semiconductor devices?
On 2020-03-10 11:58:35 in Generally electronic semiconductor
This article describes the characteristics of the power semiconductor devices. ...
If the computer power supply is insufficient, will it cause the performance of the graphics card to drop?
On 2018-12-11 11:33:39 in Knownlege
The article explores the impact of computer power shortage on graphics performance and the choice of power supply. ...
How to use pointer multimeter and insulation resistance meter to detect the voltage resistance of fixed capacitors and mica capacitors.
On 2019-09-04 10:38:01 in Capacitors
This article describes the characteristics of using pointer multimeter and insulation resistance meter to detect the voltage resistance of fixed capacitors and mica capacitors. ...
How to Detect a Universal Three-Terminal Integrated Voltage Regulator?
On 2018-12-15 14:28:23 in Generally electronic component
This article briefly introduces how to Detect a Universal Three-Terminal Integrated Voltage Regulator ...
If there is no same type of pipe in use, how to replace it?
On 2018-10-26 15:50:14 in Relays
Diodes are generally not good repair, damage can only be replaced. In selecting diodes, we should pay attention to the following principles. ...
how to detect a varactor?
On 2018-10-26 17:08:18 in Memory
Because the positive resistance of the varactor diode is larger,the multimeter is placed in the RX 10k2 block,the red form is connected to the positive pole ...
How to measure the transistor?
On 2019-10-30 10:34:17 in Discrete Semiconductor
This article describes the characteristics of measuring the transistor. ...
The basic functions and parameters of the thyristor
On 2018-12-13 14:44:34 in Generally electronic semiconductor
This article describes the basic functions and parameters of the thyristor ...
What is a thyristor? What are the functions in the circuit?
On 2018-10-29 13:51:49 in Generally electronic semiconductor
Thyristor, also known as SCR,is a kind of controllable rectifier.The thyristor is expressed by the letter VS,which has the function of unidirectional conduction ...
What is a monochrome LED dot matrix display?
On 2018-10-29 15:27:20 in Relays
Excellent LED dot matrix display is a monochrome light-emitting diode in accordance with the structure of rows and columns ...
Do you know switching principle of transistor and base induction voltage?
On 2019-08-26 10:43:35 in Generally electronic component
This article describes the characteristics of transistor. ...
How to judge the DC voltage/current block failure of the mechanical multimeter and how to repair it?
On 2019-01-28 17:40:45 in Technology
This article writes about some methods to judge the DC voltage/current block failure of the mechanical multimeter and repair it. ...
What are the performance characteristics and functions of the six-input voltage monitor?
On 2021-07-03 10:55:15 in Transformer
This article describes the characteristics of the monitor. ...
Thyristor
On 2018-12-25 14:24:38 in Generally electronic semiconductor
This article writes about the thyristor ...
what is an infrared receiver?
On 2018-10-26 16:53:35 in Memory
The infrared receiving tube is a semiconductor device used to receive the infrared light wave generated by the infrared light emitting diode and convert it into electrical signal. ...
The main parameters of LED
On 2018-10-31 11:11:54 in Memory
The main parameters of LED include the maximum working current Im and the maximum reverse voltage Um ...
What are the methods for preventing the reverse connection of the MOS tube?
On 2019-08-07 10:30:11 in Generally electronic component
This article describes the characteristics of the MOS tube. ...
Detailed explanation of the rectification circuit of the DC regulated power supply
On 2023-03-08 13:38:07 in IC Chips
Rectifier circuit is an integral part of DC-to-DC converters, which uses diodes to convert the incoming AC signal into a single and consistent DC signal. The transformer adjusts the AC signal before it is filtered, and the error amplifier monitors the out ...
What is the reverse protection circuit and the anti-reverse protection circuit?
On 2019-08-13 10:28:29 in Generally electronic component
This article describes the characteristics of the Circuit Protection. ...
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 ...
Working principle of DC-DC converter
On 2023-03-22 11:50:53 in IC Chips
The basic principle of a DC-DC converter is to use an electrical circuit that contains an inductor, a capacitor, and other components to convert a DC voltage from one level to another. ...
Do you know the electronic filter mapping methods?
On 2019-12-13 10:51:15 in Capacitors
This article describes the characteristics of the electronic filter. ...
What are the common fault solutions for DC high voltage generators?
On 2021-05-19 10:40:16 in Generally electronic semiconductor
This article describes the characteristics of the generators. ...
Four wave soldering daily maintenance and maintenance knowledge
On 2018-10-30 11:01:43 in Relays
Four wave soldering daily maintenance and maintenance knowledge 1 regularly check the heating pipe voltage is normal,too high voltage will damage the heating pipe. ...
What are the solutions to the problems associated with high-voltage test transformers?
On 2021-05-07 10:51:33 in Transformer
This article describes the characteristics of the transformers. ...
Output Curve of Field Effect Transistor
On 2018-11-23 10:36:28 in Memory
If the internal resistance of the test voltage is also very small, the tube will burst undoubtedly. ...
What issues need to be considered when designing LED driver circuits?
On 2021-12-10 10:52:10 in Photoelectric
This article describes the characteristics of the LED driver. ...
What is a high-power Darlington tube ( module )?
On 2018-10-27 11:25:32 in IC Chips
The high-power Darlington tube is internally connected with a protective device,and the internal structure of the high-power Darlington tube is shown in Figure ...
What is the π-type RC and LC filter circuit identification method?
On 2019-11-29 10:43:32 in Capacitors
This article describes the characteristics of the filter. ...