What are the common transistors?
On 2019-01-08 16:15:52 in Generally electronic semiconductor
This article introduces some common transistors ...
What to do if the processor interface is wrong?
On 2021-08-25 10:36:26 in Connector
This article describes the characteristics of the processor interface. ...
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 ...
What are the common faults of the digital multimeter and how to fix it after the fault?
On 2019-01-27 15:09:34 in Technology
This article writes about the digital multimeter common faults and maintenance. ...
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. ...
What are the application characteristics of TVS transient voltage suppression diode principle?
On 2021-07-19 11:00:18 in IC Chips
This article describes the characteristics of the diode. ...
Simple function generator circuit
On 2018-12-27 11:22:15 in Knownlege
This article describes the Simple function generator circuit ...
Common Field Effect Transistors
On 2018-12-25 13:29:10 in Generally electronic semiconductor
This article describes some kinds of common field effect transistors. ...
What is a differential pair?
On 2018-10-27 11:20:00 in Knownlege
A differential pair of tubes is also called a pair of tubes or a differential pair of tubes. ...
Common field effect transistor Slice field effect transistor
On 2018-08-28 17:24:04 in Relays
Low power field effect transistor, low power field effect transistor, high input impedance, low driving current, with low noise characteristics ...
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 is the phase shift in the analog circuit?
On 2019-08-10 11:07:00 in Generally electronic component
This article describes the characteristics of the analog circuit. ...
Electret capacitive microphone
On 2018-11-01 14:19:07 in Relays
To measure the secondary coil of the output transformer,it can be measured directly with the two surface pen to check the output end of the city ...
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. ...
How to repair the loudspeaker after it is damaged?
On 2018-12-20 15:10:45 in Generally electronic component
This artical describes that how to repair the loudspeaker after it is damaged ...
Some common inductor types
On 2019-01-14 14:09:05 in Inductor
This article briefly introduces some common inductor types ...
the detection of the resistor
On 2018-10-31 10:55:57 in Memory
Will be two pen ( regardless of the positive and negative ) are connected with the two ends of the resistor can be connected to measure the actual resistance value ( in order to improve the measurement accuracy ...
The type and detection method of microphone
On 2018-12-28 15:10:51 in Generally electronic component
This article writes about the type and detection method of microphone ...
How to install the eddy current sensor?
On 2023-11-17 15:15:45 in Sensor
This article describes the characteristics of the eddy current sensor. ...
What are the factors affecting the high-power RF and microwave of RF connectors?
On 2021-08-31 10:32:41 in Connector
This article describes the characteristics of the connectors. ...
How to improve the technology of electromagnetic compatibility?
On 2019-08-19 10:39:30 in Technology
This article describes the characteristics of the EMI. ...
How to detect the BTG thyristor?
On 2018-10-29 15:08:36 in Memory
Judging the electrode to place the multimeter in RX1K2 block,and the red and black stylus rotation to connect a pair of electrodes,when a pair of pins is measured to be low resistance ...
The main parameters of the first,triode
On 2018-11-01 14:25:02 in Memory
The current amplification factor is the current magnification,which is used to indicate the amplifying power of the transistor.According to the working state of the triode ...
Methods for repairing LCD color TV with oscilloscope
On 2019-05-29 16:11:12 in Generally electronic semiconductor
This article writes about the methods for repairing LCD color TV with oscilloscope ...
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 infrared receiving diode?
On 2018-10-26 16:55:08 in Generally electronic semiconductor
the judgment electrode is the same as that for detecting the normal or reverse resistors of ordinary light emitting diodes or diodes. ...
how to detect the four end small power thyristor?
On 2018-10-29 15:00:02 in Relays
To detect the unidirectional conductivity of PN junction,the multimeter is placed in RX 1K block,and the positive and negative resistance between A-GA,GKGA and Gk-K are measured. ...
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 ...
What are the tips for selecting TVS?
On 2021-07-15 10:51:19 in Generally electronic component
This article describes the characteristics of the TVS. ...
How to apply the anti-high humidity carbon dioxide sensor in the greenhouse?
On 2023-11-03 15:28:42 in Sensor
This article describes the characteristics of the humidity carbon dioxide sensor. ...
Techniques and Methods of PCBA Fault Diagnosis and Repair
On 2023-08-01 10:50:47 in PCBA
During the manufacture and use of PCBA (Printed Circuit Board Assembly), failures are inevitable. This article will introduce common techniques and methods of PCBA fault diagnosis and repair, including fault analysis, application of test tools, replacemen ...
Analysis of CPU power consumption of Intel dual-core motherboards.
On 2019-12-30 11:13:52 in Capacitors
This article describes the characteristics of Intel dual-core motherboard CPU power. ...
What is the design method of analog switch to switch audio signal?
On 2021-03-29 10:42:03 in Technology
This article describes the characteristics of the analog switch. ...
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 application of zirconia oxygen sensor in the process of liquor brewing?
On 2023-11-20 14:23:16 in Sensor
This article describes the characteristics of the zirconia oxygen sensor. ...
What are the connectors used in industrial robots and automation equipment?
On 2020-09-08 10:20:53 in IC Chips
This article describes the characteristics of the connectors. ...
Commonly used transformers
On 2019-01-04 13:57:57 in Transformer
This article describes some commonly used transformers ...
How to Achieve Fast, Precise, and Low Power Position Sensing for Real-Time Control
On 2023-03-06 13:50:45 in IC Chips
Implementing fast, accurate and low-power position sensing for real-time control of industrial processes is enabled through the use of IC chips. They provide reliable performance, minimal power consumption, and improved accuracy and precision. ...
how to detect a dual base diode?
On 2018-10-26 17:10:47 in Memory
discriminant emitter E. When the multimeter is placed in the RX1k2 block and the positive and reverse resistance values between any two electrodes are equal (2~10k2) with two forms ...