How to use a digital multimeter?
On 2018-12-28 14:41:08 in Technology
This article describes the use methods of digital multimeter. ...
How much do you know about LED display and DLP splicing screen?
On 2020-07-29 11:26:53 in Generally electronic semiconductor
This article describes the characteristics of the LED display and DLP splicing screen. ...
What is an infrared receiver?
On 2019-01-02 16:02:03 in Generally electronic semiconductor
This article describes the infrared receiver ...
How to detect and repair ?
On 2018-12-20 13:52:32 in Photoelectric
This article describes how to detect and repair LEDs ...
Electrooptic devices are just the opposite
On 2018-10-31 11:01:18 in Knownlege
The history of photoelectric technology is actually earlier than that of electronic technology.In early twentieth Century, Einstein won the Nobel prize with the discovery of photoelectric effect ...
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. ...
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 ...
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. ...
What are the features and use note of CMOS circuit?
On 2019-01-09 14:07:06 in Knownlege
This article describes the features and use note of CMOS circuit ...
2-way optocoupler relay module
On 2023-03-22 14:16:42 in IC Chips
The 2-channel optical coupler relay module IC is a versatile and reliable IC used to transfer signals and protect circuits in a variety of devices. ...
What is the working principle of various buck regulators?
On 2021-07-13 10:55:40 in Transformer
This article describes the characteristics of the regulators. ...
What are the features of CPU/GPU/NPU/FPGA?
On 2019-07-10 10:46:03 in Technology
This article briefly introduces the features of CPU/GPU/NPU/FPGA ...
Four switching power supplies common fail and repair skills
On 2019-07-11 10:59:51 in Generally electronic component
This article briefly introduces four switching power supplies common fail and repair skills ...
What are the application fields of led display?
On 2022-01-05 10:45:29 in Discrete Semiconductor
This article describes the characteristics of the led display. ...
What is the development status and trend of led display?
On 2021-12-06 10:37:19 in Discrete Semiconductor
This article describes the characteristics of the led display. ...
How will the high-power RF and microwave of RF connectors be affected?
On 2021-08-10 10:38:20 in Connector
This article describes the characteristics of the connectors. ...
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 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 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 are the common transistors?
On 2019-01-08 16:15:52 in Generally electronic semiconductor
This article introduces some common transistors ...
What is a damped line output transistor?
On 2018-10-27 11:06:35 in Relays
The line output high power transistor with a damping transistor is a special tube in the output circuit of the television.Figure 6A shows the internal structure and equivalent circuit of the output transistor with damping line ...
What is an optical coupler and how to measure it?
On 2018-12-15 14:23:34 in Photoelectric
This article introduces what is an optical coupler and how to measure it ...
How to solve some problems of RS-485?
On 2022-03-01 11:32:36 in Connector
This article describes the characteristics of the RS-485. ...
How to apply self-interrogation and diagnostic functions to ensure the integrity of sensor data?
On 2021-05-31 10:42:42 in Sensor
This article describes the characteristics of the sensor. ...
What are the RF microwave power amplifiers?
On 2020-05-20 10:30:58 in IC Chips
This article describes the characteristics of the RF microwave power amplifiers. ...
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. ...
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 ...
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 ...
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 do you choose isolation architectures, circuits, and components in power inverter applications?
On 2018-11-21 10:57:27 in Memory
Both motor and power control inverter designers have the same problem of isolating control and user interface circuits from dangerous power line voltages. ...
How to select a automobile digital multimeter?
On 2019-03-08 11:31:34 in Knownlege
This article describes the selection method of automobile digital multimeter. ...
How to choose the switch of the mechanical multimeter when measuring different parameters?
On 2019-01-27 14:57:27 in Knownlege
This article describes how to choose the switch of the mechanical multimeter when measuring different parameters ...
Specific use of multimeter in ATX power maintenance.
On 2019-04-18 14:50:01 in Knownlege
This article briefly introduces the specific use of multimeter in ATX power maintenance. ...
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. ...
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. ...
How to explain the working principle of buffer network?
On 2021-12-24 10:56:44 in Knownlege
This article describes the characteristics of the capacitor. ...
How to make a simple buck controller?
On 2021-08-28 10:56:53 in Generally electronic semiconductor
This article describes the characteristics of the controller. ...
Analysis of the working principle of UP6103 chip.
On 2019-05-29 16:15:45 in IC Chips
This article describes the analysis of the working principle of UP6103 chip. ...
How Solid-State Relays (SSRs) Faces Overheat Challenge?
On 2018-12-18 13:26:35 in Relays
This article describes How Solid-State Relays (SSRs) Faces Overheat Challenge ...
What is a differential signal, why use amplifier circuit ?
On 2019-09-29 10:14:16 in Generally electronic component
This article describes the characteristics of the amplifier. ...