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. ...
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. ...
How to reduce errors in detecting DC currents?
On 2019-02-13 11:44:47 in Technology
This article describes the method of reducing errors in detecting DC currents. ...
What are the constituent characteristics of an electret microphone and how to detect it?
On 2018-12-29 13:15:51 in Generally electronic component
This article writes about the constituent characteristics of an electret microphone and how to detect it ...
How to identify and detect bidirectional thyristors?
On 2018-12-18 15:02:24 in Generally electronic semiconductor
This article introduces some ways to identify and detect bidirectional thyristors ...
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. ...
The principle of the radio analysis
On 2019-01-05 11:13:09 in Generally electronic component
This article describes the principle of the radio analysis ...
How to repair a transformer after it has been damaged
On 2018-12-20 11:26:34 in Technology
The article explores some repair methods after the transformer has been damaged ...
What is the basic structure of the power cable?
On 2019-08-09 10:40:04 in Generally electronic semiconductor
This article describes the characteristics of the power cable. ...
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 ...
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 ...
Resistor classification
On 2018-12-04 11:51:37 in Knownlege
This article describes the classification of resistors ...
What is an Integrated Operational Amplifier?
On 2019-01-07 17:33:42 in Knownlege
This article describes the Integrated Operational Amplifier ...
How to realize energy-saving AC drive system of electric vehicle based on boost DC-DC bidirectional converter and inverter?
On 2021-07-23 10:42:32 in Transformer
This article describes the characteristics of the converter. ...
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 measure a IGBT?
On 2019-01-15 14:35:49 in Generally electronic semiconductor
This article describes how to measure a IGBT ...
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 ...
The main role of the potentiometer?
On 2018-12-11 13:20:38 in Knownlege
This article describes the main role of the potentiometer ...
Measurement and control FPGA
On 2019-06-05 17:58:04 in IC Chips
This article describes measurement and control FPGA ...
Analysis of the power supply circuit of the main board bridge of the Intel H61 chipset.
On 2019-11-15 11:00:45 in Capacitors
This article describes the characteristics of the power supply circuit of the main board bridge of the Intel H61 chipset. ...
Types and detection methods of switching devices
On 2018-11-01 16:57:50 in Relays
The switch is the component that completes the electrical connection and disconnection through a certain action,which is generally connected in series to realize the transmission and control of signal and electric energy ...
What is the difference between a transformer and a coupled inductor?
On 2019-06-10 16:00:27 in Transformer
This article writes about the different between a transformer and a coupled inductor ...
Multi-turn potentiometer and single-turn potentiometer
On 2018-12-10 11:01:32 in Knownlege
This article briefly introduces multi-turn potentiometer and single-turn potentiometer ...
How much do you know about RS-422 and RS-485?
On 2022-03-08 10:43:00 in Knownlege
This article describes the characteristics of the RS-422 and RS-485. ...
What is a sheet resistor?
On 2018-12-17 14:36:19 in Resistors
This article introduces what is a sheet resistor. ...
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. ...
What is a Schottky diode? How to detect?
On 2018-10-26 15:54:21 in Relays
Schottky diode is a low-power, high-current,ultra-high-speed semiconductor device, reverse recovery time trr can be small to a few nanoseconds ...
What are the core indicators and parameters of rechargeable batteries?
On 2021-06-25 10:56:02 in Generally electronic semiconductor
This article describes the characteristics of the batteries. ...
Maintenance method of bridge power supply circuit failure.
On 2019-04-27 15:32:59 in Knownlege
This article writes about the Maintenance method of bridge power supply circuit failure. ...
The different characteristics between Ceramic capacitor and single stone capacitor
On 2019-01-14 10:45:29 in Capacitors
This article describes the different characteristics between Ceramic capacitor and single stone capacitor. ...
Why do the monitors exhibit different capacitance bulging?
On 2019-07-11 10:28:54 in Photoelectric
This article briefly introduces the reasons of monitors exhibiting different capacitance bulging ...
What are the main parameters of FET?
On 2018-12-15 12:01:33 in Generally electronic semiconductor
This article introduces the main parameters of FET. ...
What is the relationship between transistor and gate?
On 2019-11-01 10:22:23 in Discrete Semiconductor
This article describes the characteristics of transistor and gate. ...
The difference between Metal film resistor and metal oxide film resistor.
On 2019-01-07 11:50:39 in Resistors
This article writes about the difference between Metal film resistor and metal oxide film resistor. ...
Memory VTT power supply circuit analysis.
On 2019-04-29 10:52:17 in Knownlege
This article describes the Memory VTT power supply circuit analysis. ...
What is the circuit of the video amplifier?
On 2019-09-12 10:22:26 in Generally electronic semiconductor
This article describes the characteristics of the video amplifier. ...
What are the common diodes?
On 2019-01-07 15:51:31 in Generally electronic semiconductor
This article describes three types common diodes ...
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. ...
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 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 ...