How to judge the DC voltage/current block failure of the mechanical multimeter and how to repair it?
On 2019-01-28 17:40:45 in Technology
This article writes about some methods to judge the DC voltage/current block failure of the mechanical multimeter and repair it. ...
What are the main points and points of attention of the power regulator?
On 2021-06-12 10:59:33 in Generally electronic component
This article describes the characteristics of the power regulators. ...
How to measure the transistor?
On 2019-10-30 10:34:17 in Discrete Semiconductor
This article describes the characteristics of measuring the transistor. ...
What is a two-way trigger diode and how to detect it?
On 2019-01-02 17:59:43 in Generally electronic semiconductor
This article describes the two-way trigger diode and the detection. ...
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 parameters of power transformer?
On 2019-01-09 16:01:29 in Transformer
This article describes the parameters of power transformer ...
A preliminary understanding of the parasitic effects of resistors and capacitors
On 2018-12-26 10:39:18 in Technology
This article briefly introduces the parasitic effects of resistors and capacitors ...
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 a transformer?
On 2018-12-20 11:11:48 in Generally electronic component
This article describes how to detect a transformer. ...
How to design a common-emitter amplifier circuit?
On 2019-09-09 10:27:12 in Generally electronic semiconductor
This article describes the characteristics of the common-emitter amplifier. ...
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 sensor of the engine electronic control system?
On 2023-11-28 15:23:27 in Sensor
This article describes the characteristics of the sensor. ...
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 common fault solutions for DC high voltage generators?
On 2021-05-19 10:40:16 in Generally electronic semiconductor
This article describes the characteristics of the generators. ...
Introduction of Audio Power Amplifier
On 2018-12-10 10:45:21 in Knownlege
This article describes the characteristics of Audio Power Amplifier ...
Introduction of Audio Power Amplifier
On 2018-12-03 13:50:59 in Technology
This article describes the characteristics Audio Power Amplifier ...
how to detect a two-way trigger diode?
On 2018-10-26 17:02:25 in Memory
use the multimeter to place the multimeter in the RX1~RX10kQ gear and measure the positive and reverse resistance of the bidirectional trigger diode ...
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 ...
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 ...
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 ...
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. ...
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. ...
What are the semiconductor materials used in RF microwave power transistors?
On 2020-01-14 10:46:34 in IC Chips
This article describes the characteristics of the transistors. ...
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 are the common faults of power regulators?
On 2021-06-22 10:56:41 in IC Chips
This article describes the characteristics of the power regulators. ...
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. ...
ASUS Host Point Bitmap usage method 1
On 2019-03-21 11:34:13 in Question
This article describes the ASUS Host Point Bitmap usage method 1 (older version). ...
Filter circuit
On 2019-01-04 13:28:12 in Knownlege
This article briefly introduces the filter circuit. ...
Do you know the electronic filter mapping methods?
On 2019-12-13 10:51:15 in Capacitors
This article describes the characteristics of the electronic filter. ...
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 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. ...
What is the structure and main parameters of the electromagnetic relay?
On 2018-12-18 15:17:36 in Relays
This article describes the structure and main parameters of the electromagnetic relay ...
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. ...
Introduction of Two Common Test Methods for PCB Thermal Design
On 2018-12-28 10:26:41 in Technology
This article introduces of Two Common Test Methods for PCB Thermal Design ...
ADS8557 realizes 16-bit AD conversion read and write
On 2023-03-20 13:19:09 in IC Chips
IC chips are packages of electrical components for devices such as computers and smartphones. The ADS8557 is a 16-bit resolution IC chip with features such as variable gain and adjustable resolution, used for data conversion and medical imaging. ...
How to measurement of Zener diode?
On 2019-10-28 10:30:51 in Discrete Semiconductor
This article describes the characteristics of Zener diode. ...
What are the various driving schemes for LED displays?
On 2020-10-16 10:47:44 in Generally electronic semiconductor
This article describes the characteristics of the LED displays. ...