What is a varactor and how to detect it?
On 2019-01-04 10:52:48 in Generally electronic semiconductor
This article describes the basic principles of the varactor and detection of varactor ...
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 ...
What are the common transistors?
On 2019-01-08 16:15:52 in Generally electronic semiconductor
This article introduces some common transistors ...
What are capacitance charging and discharge?
On 2019-08-21 10:54:46 in Capacitors
This article describes the characteristics of capacitance charging and discharge. ...
Why is the two-switch forward converter considered one of the most reliable converters?
On 2019-10-11 09:55:34 in Generally electronic component
This article describes the characteristics of the two-switch forward converter. ...
How to judge a capacitor is good or bad and replace the bad one?
On 2019-03-11 12:00:02 in Technology
This article describes the method to judge a capacitor is good or bad and replace the bad one ...
What should you know before solder?
On 2019-01-12 13:20:48 in Knownlege
This article describes some konwnledge that you should know before solder. ...
Inductance Selection and Layout and Wiring Principle of Switching Power Supply
On 2018-11-23 10:32:58 in Inductor
Switched-Mode Power Supply (SMPS) is a very efficient power converter. Its theoretical value is close to 100%, and there are many kinds. ...
What is the relationship between the chip and the discrete device?
On 2018-12-11 10:49:57 in Knownlege
This article briefly introduces the relationship between the chip and the discrete device ...
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 is an optical coupler?
On 2018-10-27 10:41:35 in Memory
Optical coupler also known as photoelectric isolator,referred to as optocoupler. Optical couplers use light as a medium to propagate the Telecom number ...
How to reduce errors in detecting AC voltages with using a pointer multimeter?
On 2019-02-12 17:11:15 in Knownlege
This article briefly introduces the methods for reducing errors in detecting AC voltages. ...
Pin identification and detection method of LED digital tube
On 2019-01-05 12:09:49 in Photoelectric
This article describes the pin identification and detection method for LED digital tube ...
What are the main parameters and types of LEDs and how to detect LED?
On 2018-12-14 13:55:28 in Photoelectric
This article writes about the the main parameters and types of LEDs and how to detect LED ...
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 ...
FPGA serial conversion module
On 2023-03-13 11:20:55 in IC Chips
FPGA serial transceiver modules enable simultaneous, fast, reliable and cost-effective communication between integrated circuits. ...
What is the working principle of DC-DC converter_DC-DC converter?
On 2021-05-12 11:49:52 in Generally electronic semiconductor
This article describes the characteristics of the DC-DC converter. ...
What is the step-down working principle of capacitor?
On 2019-01-19 16:30:32 in Capacitors
This article writes about the step-down working principle of capacitor. ...
What is the application principle of open-ended Hall current sensors in power distribution systems?
On 2020-11-17 11:34:15 in Sensor
This article describes the characteristics of the sensors. ...
Effect of resistance
On 2018-12-03 13:42:35 in Technology
This article describes the effect of resistance ...
Several installation-related concepts of electronic components
On 2019-01-17 15:56:50 in Knownlege
This article describe several installation-related concepts of electronic components ...
How to detect the Field effect transistor quality and replace the bad one ?
On 2019-03-23 11:36:39 in Generally electronic semiconductor
This article writes about the detection and replacement of Field effect transistor quality ...
What is the high-power VMOS field effect transistor and how to detect it?
On 2018-12-25 11:24:29 in Generally electronic semiconductor
This article writes about the high-power VMOS field effect transistor ...
The identification of model and pin
On 2018-11-01 16:51:26 in Relays
Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...
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? ...
How to use a digital multimeter?
On 2018-12-28 14:41:08 in Technology
This article describes the use methods of digital multimeter. ...
The working principle of RT9214 chip is analyzed.
On 2019-06-05 18:04:10 in IC Chips
This article briefly introduces the working principle of RT9214 chip. ...
How to identify and detect electronic components
On 2018-12-05 11:39:50 in Technology
This article briefly introduce how to identify and detect electronic components ...
What are the main causes of soldering defects on PCB boards?
On 2020-08-06 10:48:56 in Generally electronic semiconductor
This article describes the characteristics of the PCB boards. ...
AMD single-bridge A55 and A75 chipset motherboard timing.
On 2019-11-26 11:14:39 in Generally electronic semiconductor
This article describes the characteristics of AMD single-bridge A55 and A75 chipset motherboard. ...
What are the applications of FPGA in the aerospace field?
On 2023-08-14 11:23:33 in IC Chips
This article describes the characteristics of the FPGA. ...
Maintenance method for memory power supply failure.
On 2019-04-24 11:52:22 in Knownlege
This article writes about the Maintenance method for memory power supply failure. ...
Do you know capacitance on the ATX power supply?
On 2019-10-29 14:41:14 in Capacitors
This article describes the characteristics of capacitance on the ATX power supply. ...
What is the structure and application of programmable array logic?
On 2023-07-01 11:19:11 in IC Chips
This article describes the characteristics of the programmable array logic. ...
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. ...
GND( ground) resistor value measured by a multimeter
On 2019-04-02 11:32:30 in Resistors
This article describes the GND( ground) resistor value measured by a multimeter ...
What are the commonly used anti-jamming technologies for sensors?
On 2023-08-21 17:18:57 in Sensor
This article describes the characteristics of the sensors. ...
What are the components of the wired mouse module and connector?
On 2019-01-14 17:44:21 in Knownlege
This article introduces some the components of the wired mouse module and connector ...
How to change the power frequency transformer into a switching power supply?
On 2021-07-01 10:53:59 in Transformer
This article describes the characteristics of the transformer. ...
Photosensitive resistor
On 2018-10-31 11:15:12 in Resistors
Photoresistor is a device made of semiconductor photoelectric effect principle.When the semiconductor is exposed to light ...