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 is the application principle of open-ended Hall current sensors in power distribution systems?
On 2020-11-17 11:34:15 in Sensor
This article describes the characteristics of the sensors. ...
What are the current selection and usage methods of lithium battery protection board?
On 2021-05-17 10:54:22 in Generally electronic component
This article describes the characteristics of the lithium battery protection board. ...
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 ...
Potentiometer detection and resistance detection
On 2018-08-22 12:04:06 in Relays
The actual resistance value can be measured by connecting two forms (no positive or negative) to the two ends of the resistor respectively. ...
How to identify and detect common diodes?
On 2018-10-26 15:48:50 in IC Chips
Intuitive judgment. Some of the circuit symbols are printed on the diode to indicate polarity; one end of the negative pole of the diode is printed with a color ring as a negative mark ...
Waterproof, dustproof and moisture-proof: Infineon introduces ultra-small air pressure sensor DPS368
On 2019-07-26 10:44:27 in Sensor
This article describes that Waterproof, dustproof and moisture-proof: Infineon introduces ultra-small air pressure sensor DPS368 ...
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 monochrome LED dot matrix display?
On 2018-10-29 15:27:20 in Relays
Excellent LED dot matrix display is a monochrome light-emitting diode in accordance with the structure of rows and columns ...
Light emitting diodes（LED)
On 2018-12-13 14:06:12 in Generally electronic semiconductor
This article briefly introduces the light emitting diodes(LED) ...
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 issues need to be considered when designing LED driver circuits?
On 2021-12-10 10:52:10 in Photoelectric
This article describes the characteristics of the LED driver. ...
What are the mainstream microcontrollers on the market?
On 2020-05-28 09:53:20 in Generally electronic semiconductor
This article describes the characteristics of mainstream microcontrollers. ...
Do you know what a tactile sensor is?
On 2021-02-08 14:59:32 in Sensor
This article introduces the functions and fields of tactile sensors. ...
DSP and MCU are moving toward convergence
On 2019-07-05 16:27:36 in IC Chips
This article describes that DSP and MCU are moving toward convergence ...
What are the mainstream microcontrollers on the market?
On 2020-06-01 10:33:29 in IC Chips
This article describes the characteristics of mainstream microcontrollers. ...
TMS microcontroller, STM32 microcontroller, PIC microcontroller Introduction?
On 2020-06-03 10:42:22 in Generally electronic semiconductor
This article describes the characteristics of TMS microcontroller, STM32 microcontroller, PIC microcontroller. ...
What are the semiconductor materials used in RF microwave power transistors?
On 2020-05-19 09:32:04 in IC Chips
This article describes the characteristics of the transistors. ...
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. ...
What is the world's first programmable carbon nanotube chip?
On 2019-12-21 10:25:38 in Capacitors
This article describes the characteristics of the programmable carbon nanotube chip. ...
What is a unidirectional thyristor?
On 2018-12-14 11:49:41 in Generally electronic semiconductor
This article briefly introduces the unidirectional thyristor ...
What is a one-way thyristor?
On 2018-10-29 13:54:54 in Generally electronic semiconductor
SCR is a three-terminal semiconductor device composed of PNPN four-layer semiconductor material. ...
What is a thermocouple temperature sensor?
On 2018-12-29 13:40:01 in Sensor
This article briefly introduces basic principles and structure of thermocouple temperature sensor ...
How to measure the color LED dot matrix display?
On 2018-10-29 15:33:54 in Memory
The color LED dot matrix display is the same as monochrome.You can use short columns or rows of methods to detect,just a little cumbersome operation ...
How to use the OTC700 series automobile digital multimeter to text the rotation speed and duty?
On 2019-04-24 11:39:47 in Knownlege
This article describes the use of OTC700 series automobile digital multimeter to text the rotation speed and duty ...
What is an APC connector and how is it measured?
On 2021-08-17 10:37:52 in Connector
This article describes the characteristics of the connector. ...
What is an APC connector and how is it measured?
On 2021-08-03 11:05:46 in Connector
This article describes the characteristics of the connector. ...
What are the methods for reducing errors in resistance detection with a pointer multimeter?
On 2019-02-14 10:47:00 in Resistors
This article describes the methods for reducing errors in resistance detection ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
What is the working principle of fiber optic connector?
On 2020-10-07 11:14:27 in Generally electronic semiconductor
This article describes the characteristics of the fiber optic connector. ...
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. ...
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 ...
How to connect test lines when using DC / AC mode shields?
On 2019-04-20 13:38:41 in Technology
This article describes Method of properly connecting test lines when using DC / AC mode shields. ...
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 ...
Mid-range FPGA will become a new "niche" market
On 2019-07-24 10:55:11 in Generally electronic component
This article describes that Mid-range FPGA will become a new "niche" market ...
How to detect diodes
On 2018-12-03 14:00:20 in Technology
This article mainly describes how to detect diodes. ...
How does the fiber optic connector work?
On 2021-08-19 10:38:21 in Connector
This article describes the characteristics of the connector. ...
What is the main process technology of RF power amplifier?
On 2020-03-13 09:59:43 in IC Chips
This article describes the characteristics of the RF power amplifier. ...
What is the main process technology of RF power amplifier?
On 2020-01-11 10:50:21 in IC Chips
This article describes the characteristics of the RF power amplifier. ...
Commonly used connector
On 2019-01-04 16:23:50 in Connector
This article describes some commonly used connector ...