How to detect and replace the magnetron?
On 2018-12-28 16:05:11 in Generally electronic component
This article describes the way to detect and replace the magnetron ...
What is an insurance resistor and how to detect it?
On 2018-12-27 11:31:50 in Resistors
This article briefly introduces what is an insurance resistor and how to detect it ...
What is a humidity sensitive resistor?
On 2018-12-25 10:55:13 in Resistors
This article describes about the characteristics and detection of the humidity sensitive resistor ...
What is a LED emission tube and how to detect it?
On 2018-12-21 14:28:11 in Photoelectric
This article briefly introduces what is a LED emission tube and how to detect it ...
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 ). ...
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 ...
Classification of sensors in the car and the impact of the broken sensor
On 2018-12-10 13:50:32 in Knownlege
This article briefly introduces classification of sensors in the car and the impact of the broken sensor ...
Type and function of time relay
On 2018-12-08 10:45:33 in Knownlege
This article briefly introduces different type and function of time relay ...
Main cell phone sensor
On 2018-12-06 10:44:40 in Knownlege
This article describes the role of different mobile phone sensors. ...
What are the common types of power transformers?
On 2018-12-06 10:08:20 in Knownlege
This article writes about the different types of power transformers. ...
Signal line design
On 2018-12-05 10:52:23 in Technology
This article briefly introduces the signal line design ...
Five.Optocoupler
On 2018-10-31 11:35:12 in Generally electronic semiconductor
Optocoupler is an electrical and photoelectric converter composed of LED and photosensitive transistors ...
how to detect a photosensitive transistor?
On 2018-10-27 11:13:49 in Memory
the pin of the pin identifies the pin arrangement of the photosensitive transistor as shown in Figure 6-8,the foot near the pin or the longer one is the emitter E,and the far or shorter foot of the foot is the collector C ...
How to replace the transistor in application?
On 2018-10-27 11:03:32 in Knownlege
the principles that should be paid attention to when replacing transistors are as follows.A high limit parameter is used to replace the lower product body tube. ...
what is a double base diode (single junction transistor)?
On 2018-10-26 17:09:25 in Memory
Double base diode,also known as single crystal transistor (UJT)is a three terminal semiconductor device with only one PN junction.the circuit symbol,internal structure and equivalent circuit of double base diode. ...
how to detect the discoloration LEDs?
On 2018-10-26 16:40:18 in Memory
As shown in Figure 5-18,a circuit for detecting a discoloration light emitting diode (LEDs),a multimeter is placed in the RX10k2 block,and the two pin is connected. ...
how to detect the LED emission tube?
On 2018-10-26 16:31:21 in Memory
The use of multimeter to detect LED luminous platoon is mainly to check whether the LEDs are good ...
How to detect fast recovery, ultrafast recovery diode?
On 2018-10-26 16:05:55 in Memory
The method of measuring fast recovery and ultrafast recovery diode with multimeter is basically the same as the method of detecting plastic sealed silicon rectifier diode. ...
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 ...
Variable capacitance diode, step recovery diode, bidirectional trigger diode
On 2018-08-24 10:57:12 in Relays
It is usually used to trigger bidirectional thyristors, or to form an overvoltage protection circuit. ...
What are the development trends of the top ten wireless technologies?
On 2023-06-14 14:02:25 in IC Chips
This article describes the characteristics of the wireless technologies. ...
What are the grounding problems of RS-422 and RS-485?
On 2021-12-01 10:59:45 in Connector
This article describes the characteristics of the antenna. ...
How to design the power module of LED display?
On 2021-11-26 11:21:29 in Photoelectric
This article describes the characteristics of the power module. ...
What are the characteristics of LED waterproof power supply?
On 2021-11-05 10:38:37 in Photoelectric
This article describes the characteristics of the power supply. ...
What is the difference between different panels?
On 2021-10-22 11:13:25 in Generally electronic component
This article describes the characteristics of the panels. ...
How to standardize the network interface of the crystal head of the RJ45 interface connector?
On 2021-08-12 10:59:06 in Connector
This article describes the characteristics of the RJ45 interface connector. ...
What are the selection and charging procedures of lithium battery chargers?
On 2021-06-23 10:49:08 in Generally electronic semiconductor
This article describes the characteristics of the lithium battery chargers. ...
How to adopt the standard of artificial intelligence data storage?
On 2021-05-14 10:30:59 in Generally electronic semiconductor
This article describes the characteristics of the artificial intelligence data. ...
How can Advance innovations improve the efficiency of data center memory?
On 2019-12-03 10:48:07 in Generally electronic semiconductor
This article describes the characteristics of the memory. ...
How to solve the electromagnetic interference problem of LED drive power?
On 2019-09-24 10:17:31 in Photoelectric
This article briefly introduces how to solve the electromagnetic interference problem of LED drive power? ...
What are the application examples of electromagnetic compatibility technology?
On 2019-08-06 11:11:49 in Technology
This article describes the characteristics of the electromagnetic compatibility. ...
What are the functions of the universal bridge instrument knobs and switches?
On 2019-01-27 14:53:54 in Knownlege
This article describes the functions of the universal bridge instrument knobs and switches . ...
How to make a fast battery charger?
On 2019-01-21 16:38:37 in Technology
This article describes how to make a fast battery charger ...
What is a pyroelectric infrared sensor for the human body?
On 2018-12-15 13:44:19 in Sensor
This article introduces the pyroelectric infrared sensor for the human body ...
Headphones and piezoceramic buzzers
On 2018-11-03 15:17:06 in Memory
Headset is also an electro-acoustic conversion device,which is similar in structure to an electric speaker,it is also composed of magnet,voice coil,vibrating diaphragm, etc,but the voice coil of the earphone is mostly fixed ...
What opportunities does RISC-V bring to FPGA?
On 2023-07-12 14:22:14 in IC Chips
This article describes the characteristics of the FPGA. ...
What are the common types of industrial switch interfaces?
On 2023-02-13 13:19:56 in IC Chips
This article describes the characteristics of the switch interfaces. ...