What is the definition and major categories of low-voltage electrical appliances?
On 2019-05-23 11:55:08 in Knownlege
This article briefly introduces the definition and major categories of low-voltage electrical appliances ...
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 ...
How the Intel H55 chipset motherboard works?
On 2019-04-18 13:57:22 in Knownlege
This article writes about the Intel H55 chipset motherboard ...
How to select a general small power triode and a high power triode?
On 2019-01-08 15:57:01 in Generally electronic semiconductor
The article explores how to select a general small power triode and a high power triode ...
What is a photocell sensor?
On 2018-12-29 15:46:28 in Sensor
This article describes the role of photocell sensor ...
How to detect and repair ceramic filters?
On 2018-12-20 14:47:43 in Generally electronic component
This article describes how to detect and repair ceramic filters ...
Different of a five-terminal integrated voltage regulator with reset function and a voltage-controlled five-terminal integrated voltage regulator
On 2018-12-17 15:12:49 in IC Chips
This article briefly introduces different of a five-terminal integrated voltage regulator with reset function and a voltage-controlled five-terminal integrated voltage regulator ...
What is a relay?
On 2018-12-15 15:06:06 in Relays
This article briefly introduces the classification of relays ...
How to detect diodes
On 2018-12-03 14:00:20 in Technology
This article mainly describes how to detect diodes. ...
How the AMD A75 chipset motherboard works?
On 2019-04-30 11:02:30 in Knownlege
This article describes the work principle of AMD A75 chipset motherboard. ...
The Ground in ATX Power Supply
On 2019-04-12 13:11:17 in Knownlege
This article briefly introduces the Ground in ATX Power Supply ...
What is the motherboard architecture?
On 2019-04-02 11:03:17 in Knownlege
This article writes about the motherboard architecture. ...
How to judge a capacitor is good or bad and replace the bad one?
On 2019-03-11 12:00:02 in Technology
This article describes the method to judge a capacitor is good or bad and replace the bad one ...
What are the method of judging the probable fault position of the pointer multimeter?
On 2019-02-14 11:03:30 in Knownlege
This article briefly introduces the method of judging the probable fault position of the pointer multimeter ...
How to choose a mechanical multimeter?
On 2019-01-27 15:14:01 in Knownlege
The article explores how to choose a mechanical multimeter. ...
What is a binary code and encoder ?
On 2019-01-11 13:34:20 in IC Chips
This article describes the binary code and encoder ...
What is a multivibrator?
On 2019-01-08 16:54:51 in IC Chips
This article describes the multivibrator. ...
Common Field Effect Transistors
On 2018-12-25 13:29:10 in Generally electronic semiconductor
This article describes some kinds of common field effect transistors. ...
What is a magnetoelectric sensor and its roles?
On 2018-12-25 11:32:53 in Sensor
This article describes the role of magnetoelectric sensor. ...
How to identify and detect common diodes?
On 2018-12-14 14:17:24 in Generally electronic semiconductor
This article briefly introduces how to identify and detect common diodes ...
Rated power rating and detection method of fixed resistance
On 2018-12-13 14:58:39 in Knownlege
This article briefly introduces rated power rating and detection method of fixed resistance ...
How to choose an air switch
On 2018-12-06 13:34:28 in Knownlege
This article briefly introduces how to choose an air switch ...
What is a differential pair?
On 2018-10-27 11:20:00 in Knownlege
A differential pair of tubes is also called a pair of tubes or a differential pair of tubes. ...
how to detect the transient voltage suppression diode?
On 2018-10-26 17:00:00 in Generally electronic semiconductor
using a multimeter RX 10kilo-ohm for a monopole type TVS,the positive and reverse resistors can be measured by measuring ordinary diodes ...
Common field effect transistor Slice field effect transistor
On 2018-08-28 17:24:04 in Relays
Low power field effect transistor, low power field effect transistor, high input impedance, low driving current, with low noise characteristics ...
Four switching power supplies common fail and repair skills
On 2019-07-11 10:59:51 in Generally electronic component
This article briefly introduces four switching power supplies common fail and repair skills ...
How to detect the fixed resistors by multimeter?
On 2019-06-14 16:19:00 in Resistors
This article describes the method of detecting fixed resistors. ...
Some common inductor types
On 2019-01-14 14:09:05 in Inductor
This article briefly introduces some common inductor types ...
What is an infrared receiver?
On 2019-01-02 16:02:03 in Generally electronic semiconductor
This article describes the infrared receiver ...
what are the characteristics of a light emitting diode?
On 2018-10-26 16:17:19 in IC Chips
Light emitting diodes have the same conductivity as ordinary diodes.When positive currents pass through PN junctions ...
A method of detecting gas-sensitive resistors by using pointer multimeter current shields.
On 2019-07-05 16:20:45 in Resistors
This article describes a method of detecting gas-sensitive resistors by using pointer multimeter current shields. ...
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. ...
Different characteristics of paper capacitors and film capacitors
On 2019-01-14 15:35:42 in Capacitors
This article describes the different characteristics of paper capacitors and film capacitors ...
What should be paid attention to in the application of fixed capacitors?
On 2018-12-15 10:55:38 in Capacitors
This article discusses the application notes for fixed capacitors. ...
Relay function
On 2018-12-06 13:48:23 in Relays
This article describes the role of relays functions ...
How to detect the light-controlled thyristor?
On 2018-10-29 14:48:43 in Generally electronic semiconductor
Whether it is two feet or three feet of the light control thyristor,detection,first of all will be subject to the light window with black paper stick tape cover ...
What is the difference between a lithium battery charger and an adapter?
On 2021-07-02 10:47:03 in IC Chips
This article describes the characteristics of the lithium battery charger and an adapter. ...
When using resistance and line on-off test mode of the automotive digital multimeter.
On 2019-04-22 14:33:41 in Knownlege
This article write about when using resistance and line on-off test mode of the automotive digital multimeter.The correct method of choosing gear and connecting detection line is adopted. ...
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 ...
How to use filters to solve the problem of electromagnetic interference?
On 2021-04-06 10:47:23 in Generally electronic component
This article describes the characteristics of the filters. ...