How to use pointer multimeter to judge the capacitance value and the capacitance of large capacity electrolytic capacitors
On 2019-11-14 11:02:16 in Capacitors
This article describes the characteristics of using pointer multimeter to judge the capacitance value and the capacitance of large capacity electrolytic capacitors ...
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. ...
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 ...
What are the commonly used anti-jamming technologies for sensors?
On 2023-08-21 17:18:57 in Sensor
How to judge whether there is a fault element according to the value of earth resistance?
On 2019-04-03 14:22:13 in Knownlege
This article describes the how to judge whether there is a fault element according to the value of earth resistor. ...
Using integrated passive components in the micro-module SIP
On 2018-11-21 11:20:07 in Memory
Integrated passive devices are nothing new in our industry – they have been around for a long time and are well known. ...
How to use the negative output voltage to adjust the LED current in a buck-boost topology?
On 2020-03-16 10:14:18 in IC Chips
What are the main functions and characteristics of imported sensors?
On 2023-06-26 16:35:01 in IC Chips
What are the design features of wireless temperature sensors?
On 2023-07-12 15:18:19 in Sensor
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 ...
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 ...
What are the semiconductor materials used in RF microwave power transistors?
On 2020-01-14 10:46:34 in IC Chips
What is the design method of analog switch to switch audio signal?
On 2021-03-29 10:42:03 in Technology
How to Select and Apply Board-Mounted DC/DC Converters in Medical Systems
On 2023-03-04 13:55:01 in IC Chips
Board mount DC/DC converters are commonly used in medical systems to provide power conversion between different dc power supply voltages. Factors such as power output, isolation, input voltage range, output voltage accuracy, ripple and noise, efficiency, ...
Analysis of CPU power consumption of Intel dual-core motherboards.
On 2019-12-30 11:13:52 in Capacitors
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 ...
What is the application principle of open-ended Hall current sensors in power distribution systems?
On 2020-11-17 11:34:15 in Sensor
Do you know the relationship between Zener diodes and Zener diodes?
On 2019-11-08 10:53:58 in Discrete Semiconductor
What are the requirements for signal conditioning of gas detection sensors?
On 2021-01-19 10:48:45 in Sensor
In-situ calibration-what is the best method for temperature sensor calibration?
On 2023-11-15 16:35:52 in Sensor
How to repair and replace the potentiometer?
On 2018-12-18 16:32:39 in Resistors
What are the three types of DC/DC converters?
On 2023-03-21 18:36:07 in IC Chips
DC-DC converters are used to convert a DC voltage level to another. Three main categories are commutated converters, linear converters and switched-mode converters, each with their own advantages and disadvantages. ...
Parameters, Equivalent and Alternative Types of Switching Diode LL4148
On 2023-03-09 14:13:30 in Generally electronic semiconductor
LL4148 is an inexpensive, ultra-fast and efficient switching diode used in low-voltage, low-current applications with equivalent and substitute diodes. ...
What is the status of FPGA aerospace applications?
On 2023-08-07 18:28:13 in IC Chips
How to test and repair the rectifier bridge?
On 2018-10-26 15:52:31 in IC Chips
Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...
Third, the detection of integrated circuits
On 2018-10-31 11:32:53 in Generally electronic semiconductor
on-line detection : measure the DC voltage of each foot of the integrated circuit, compare with the standard value, judge the quality of the integrated circuit. ...
What are the various classifications and detection principles of fiber optic sensors?
On 2020-11-27 11:10:13 in 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 ...
What are the development factors driving the growth of BTB connectors in the 5G era?
On 2021-09-02 10:37:38 in Connector
How to solve the error caused by thermal inertia of the temperature sensor?
On 2020-11-24 11:10:41 in Sensor
Working principle of DC-DC converter
On 2023-03-22 11:50:53 in IC Chips
The basic principle of a DC-DC converter is to use an electrical circuit that contains an inductor, a capacitor, and other components to convert a DC voltage from one level to another. ...
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 ...
What is the application of zirconia oxygen sensor in the process of liquor brewing?
On 2023-11-20 14:23:16 in Sensor
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. ...
CPU power supply principle.
On 2019-11-16 10:37:22 in IC Chips
IGBT and IGBT modules
On 2018-12-28 11:47:49 in Generally electronic semiconductor
Do you know the power supply IC of the components required for various detection pins for stable control?
On 2023-03-11 13:58:25 in IC Chips
Power supply IC chips are integrated circuits that step down AC power and provide regulated voltage, current, and protection to ensure proper operation of components and systems. ...
What are the advantages and disadvantages of pic microcontroller and AVR microcontroller?
On 2019-10-15 09:56:06 in Generally electronic semiconductor
What is the history of the analog circuit and its future development trend?
On 2019-09-19 09:59:55 in Generally electronic component
How to standardize the network interface of the crystal head of the RJ45 interface connector?
On 2021-08-12 10:59:06 in Connector