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 will happen if different sensors are damaged?
On 2020-12-26 10:34:27 in Sensor
This article describes the characteristics of the sensors. ...
Application of the operational amplification
On 2019-03-13 11:31:37 in IC Chips
This article describes application of the operational amplification ...
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. ...
Introduction to the five major factors affecting the price of single crystal oscillator
On 2020-05-30 11:05:57 in Generally electronic semiconductor
This article describes the characteristics of single crystal oscillator. ...
DS05- 7B (seven tube) superheterodyne radio debugging
On 2019-01-14 17:26:09 in Knownlege
This article writes about the DS05- 7B (seven tube) superheterodyne radio debugging ...
Sound card chip and interface circuit analysis and fault maintenance.
On 2019-11-22 11:42:56 in IC Chips
This article describes the characteristics of sound card chip and interface circuit analysis and fault maintenance. ...
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 ...
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 are the applications of regulator?
On 2019-03-02 11:19:17 in IC Chips
This article describes the applications of regulator. ...
What is the difference between triode and MOS control?
On 2021-06-29 10:47:02 in Discrete Semiconductor
This article describes the characteristics of the triode and MOS control. ...
How to design the ultrasonic signal transmitting and receiving circuit based on AT89S52 single chip microcomputer?
On 2019-10-08 18:04:13 in IC Chips
This article describes the characteristics of the MCU. ...
Headphones and piezoceramic buzzers
On 2019-01-05 13:30:31 in Generally electronic component
This article describes the headphones and piezoceramic buzzers ...
Headphones and piezoceramic buzzers
On 2018-11-03 15:17:06 in Memory
Headset is also an electro-acoustic conversion device,which is similar in structure to an electric speaker,it is also composed of magnet,voice coil,vibrating diaphragm, etc,but the voice coil of the earphone is mostly fixed ...
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. ...
How to design analog switches to switch audio signals?
On 2021-03-25 10:43:32 in Knownlege
This article describes the characteristics of the switch audio signals. ...
What are the problems in radio assembly?
On 2019-01-15 14:05:25 in Knownlege
This article describes the problems in radio assembly ...
How to produce a LED dimming table lamp?
On 2019-01-22 16:51:25 in Technology
This article describes how to produce a LED dimming table lamp ...
Average current type LED step-down constant current driver AP5126
On 2023-03-20 13:49:59 in Generally electronic semiconductor
Average Current Type LED Buck Converters AP5126 is an efficient and cost-effective device designed for driving a wide range of LED based lighting systems. It has high efficiency, adjustable frequency, and temperature protection circuit. ...
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. ...
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 ...
Detect camshaft sensor?
On 2023-07-05 11:10:38 in Sensor
This article describes the characteristics of the camshaft sensor. ...
What is the working principle and function of the air conditioning sensor?
On 2023-08-21 17:53:57 in Sensor
This article describes the characteristics of the air conditioning sensor. ...
What is the working principle and role of air conditioning sensors?
On 2023-06-25 13:24:07 in Filter
This article describes the characteristics of the air conditioning sensors. ...
What about the load capacity and transmission performance of the RS-485 bus?
On 2021-12-27 11:07:24 in Connector
This article describes the characteristics of the RS-485 bus. ...
L298N DC motor drive chip.
On 2020-05-05 10:28:09 in Generally electronic semiconductor
This article describes the characteristics of the L298N DC motor drive chip. ...
The characteristics of Holzer element
On 2018-11-03 15:08:21 in Memory
The materials used in Holzer devices include germanium,silicon,InSb,InAs,GaAs and so on ...
What is an AC Link Closed Loop Current Sensor?
On 2021-01-16 10:53:05 in Sensor
Description and function introduction of closed loop current sensor ...
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 ...
What are the performance characteristics and functions of the six-input voltage monitor?
On 2021-07-03 10:55:15 in Transformer
This article describes the characteristics of the monitor. ...
AMD Dual-Bridge RS880 Chipset Board Timing.
On 2019-12-17 11:06:05 in Discrete Semiconductor
This article describes the characteristics of AMD Dual-Bridge RS880 Chipset Board. ...
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 ...