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. ...
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. ...
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 measure motherboard standby conditions?
On 2019-06-15 15:28:54 in Technology
This article describes how to measure motherboard standby conditions. ...
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 ...
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 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. ...
Comparative analysis of LDO linear regulator and DC/DC device
On 2018-11-20 10:33:07 in Memory
LDO is a low dropout linear regulator, compared with the traditional linear regulator. Traditional linear regulators ...
Maintenance method for memory power supply failure.
On 2019-04-24 11:52:22 in Knownlege
This article writes about the Maintenance method for memory power supply failure. ...
The structure and properties of quartz crystal elements
On 2018-11-03 13:39:16 in Question
The quartz crystal element is composed of a quartz wafer,a wafer bracket and a case.The role of the quartz crystal element in the circuit is equivalent to a high Q value LC resonant element ...
Application of several common diodes
On 2019-03-18 15:30:55 in Generally electronic semiconductor
This article describes the application of several common diodes ...
What is an Integrated Operational Amplifier?
On 2019-01-07 17:33:42 in Knownlege
This article describes the Integrated Operational Amplifier ...
What is the high voltage power transformer in the microwave oven and how to detect it?
On 2018-12-25 15:01:36 in Transformer
This article introduces the high voltage power transformer in the microwave oven and how to detect it ...
Light-emitting diode
On 2018-12-18 16:00:26 in Photoelectric
This article briefly introduces the light-emitting diode ...
What are capacitance charging and discharge?
On 2019-08-21 10:54:46 in Capacitors
This article describes the characteristics of capacitance charging and discharge. ...
What's the price of EEE-0JA470WR CAP ALUM 47UF 20% 6.3V SMD47µF 6.3V Aluminum Electrolytic Capacitors Radial, Can - SMD 1000 Hrs @ 85°C Panasonic?
On 2018-11-27 17:40:51 in Capacitors
Here is some information about how to purchase EEE-0JA470WR CAP ALUM 47UF 20% 6.3V SMD47µF 6.3V Aluminum Electrolytic Capacitors Radial, Can - SMD 1000 Hrs @ 85°C Panasonic, if you are interested, you can enter our website or contact us. ...
Intel dual bridge G41 chipset motherboard timing.
On 2019-11-25 11:21:43 in IC Chips
This article describes the characteristics of Intel dual bridge G41 chipset motherboard timing. ...
What is a LED emission tube and how to detect it?
On 2018-12-21 14:28:11 in Photoelectric
This article briefly introduces what is a LED emission tube and how to detect it ...
how to detect the LED emission tube?
On 2018-10-26 16:31:21 in Memory
The use of multimeter to detect LED luminous platoon is mainly to check whether the LEDs are good ...
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 grounding problems of RS-422 and RS-485?
On 2021-12-01 10:59:45 in Connector
This article describes the characteristics of the antenna. ...
What is the working principle of various buck regulators?
On 2021-07-26 11:33:07 in Transformer
This article describes the characteristics of the regulators. ...
How to solve the crosstalk problem in digital-analog hybrid design?
On 2020-08-29 10:22:31 in Generally electronic semiconductor
This article describes the characteristics of the circuits. ...
12V battery level indicator circuit (LED bargraph)
On 2018-12-20 11:55:33 in Generally electronic component
This article briefly introduces 12V battery level indicator circuit (LED bargraph) ...
what is LCD (LCD)? What are the characteristics?
On 2018-10-29 15:41:03 in Generally electronic semiconductor
The composition of liquid crystal is an organic compound,which is composed of carbon.At room temperature,the liquid crystal is a kind of substance between solid and liquid,that is,the dual characteristics of solid and liquid substances. ...
What are the applications of decoupling capacitors in single-chip circuits?
On 2019-09-26 10:22:42 in Capacitors
This article describes the characteristics of the capacitors. ...
How to deal with EMI and EMC in high frequency?
On 2021-04-01 10:38:22 in Generally electronic component
This article describes the characteristics of the EMI and EMC. ...
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. ...
EMI and ESD noise suppression design solutions based on LCD or camera?
On 2020-10-20 11:13:47 in IC Chips
This article describes the characteristics of the LCD. ...
Do you know switching principle of transistor and base induction voltage?
On 2019-08-26 10:43:35 in Generally electronic component
This article describes the characteristics of transistor. ...
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 ...