If there is no same type of pipe in use, how to replace it?
On 2018-10-26 15:50:14 in Relays
Diodes are generally not good repair, damage can only be replaced. In selecting diodes, we should pay attention to the following principles. ...
How to measure the optocoupler?
On 2018-10-27 10:43:42 in Photoelectric
Because the way of the optical coupler is not the same,so the test should be based on different structures for measurement and judgment. ...
How to test and repair the rectifier bridge?
On 2018-12-17 14:45:30 in Generally electronic semiconductor
This article introduces some ways to test and repair the rectifier bridge ...
what is an infrared receiver?
On 2018-10-26 16:53:35 in Memory
The infrared receiving tube is a semiconductor device used to receive the infrared light wave generated by the infrared light emitting diode and convert it into electrical signal. ...
What are the constituent characteristics of an electret microphone and how to detect it?
On 2018-12-29 13:15:51 in Generally electronic component
This article writes about the constituent characteristics of an electret microphone and how to detect it ...
What is the basic principle of phosphor luminescence?
On 2019-01-11 11:26:04 in Knownlege
This article describes the basic principle of phosphor luminescence. ...
Photoelectric display device
On 2018-12-01 10:48:03 in Photoelectric
This article describes some categories of optoelectronic display devices. ...
What are the application of transistor?
On 2019-03-01 11:30:25 in Knownlege
This article writes about the transistor application. ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
The resistance between 2E and C
On 2018-10-27 11:00:40 in Relays
The resistance between 2E and C.Silicon tube is almost infinite size power pin tube in the tens of thousands of euros,high-power wrong tube in the hundreds of Europe.If the measured resistance is zero ...
How to detect a diode with using a digital multimeter?
On 2019-02-15 14:09:05 in Knownlege
This article briefly introduces how to detect a diode with using a digital multimeter ...
How to measure the transformer is good or bad?
On 2018-12-06 12:03:17 in Technology
This article briefly introduces some ways to measure the transformer is good or bad ...
How to measure the transformer is good or bad?
On 2018-12-04 11:05:19 in Technology
This article briefly introduces this article briefly introduces ...
What is the step-down working principle of capacitor?
On 2019-01-19 16:30:32 in Capacitors
This article writes about the step-down working principle of capacitor. ...
What are the selection and charging procedures of lithium battery chargers?
On 2021-06-23 10:49:08 in Generally electronic semiconductor
This article describes the characteristics of the lithium battery chargers. ...
What is a photosensitive diode?
On 2018-12-29 14:09:47 in Photoelectric
This article writes about the photosensitive diode ...
How to detect diodes
On 2018-12-03 14:00:20 in Technology
This article mainly describes how to detect diodes. ...
Diode and transistor detection
On 2018-08-22 12:31:42 in Relays
In identifying and detecting common components, the resistance is the forward resistance of the diode. ...
How to use a digital multimeter?
On 2018-12-28 14:41:08 in Technology
This article describes the use methods of digital multimeter. ...
Voltage regulator diode
On 2018-12-18 17:06:17 in Generally electronic semiconductor
This article introduces the voltage regulator diode ...
How to detect the regulator diode?
On 2018-10-26 16:13:16 in Generally electronic semiconductor
The method of judging an electrode is basically the same as that of judging an ordinary diode electrode. ...
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. ...
What is a display unit?
On 2019-01-11 14:38:25 in Photoelectric
This article briefly introduces the display unit ...
Main cell phone sensor
On 2018-12-06 10:44:40 in Knownlege
This article describes the role of different mobile phone sensors. ...
In order to achieve satisfactory TV results, how to select and use DLP splicing screens?
On 2020-09-02 10:22:03 in Generally electronic component
This article describes the characteristics of DLP splicing screens. ...
Universal Panel Meter is configurable for measurement, display or control
On 2018-12-18 13:16:25 in Knownlege
This article writes about universal panel meter is configurable for measurement, display or control ...
How to detect the electrolytic capacitors?
On 2019-11-13 10:19:34 in Capacitors
This article describes a method for detecting electrolytic capacitors. ...
Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens
On 2019-04-16 11:29:12 in Knownlege
This article briefly introduces the discrimination on the pseudo-concept of "reverse earth resistor value” and modification of multimeter pens ...
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 diode and how to judge whether it is good or bad?
On 2019-03-16 13:34:16 in Generally electronic semiconductor
This article briefly introduces the diode and how to judge whether it is good or bad ...
What is an inductor and how to distinguish the inductance value?
On 2019-01-21 10:47:08 in Inductor
This article describes what is an inductor and how to distinguish the inductance value ...
How to measure a IGBT?
On 2019-01-15 14:35:49 in Generally electronic semiconductor
This article describes how to measure a IGBT ...
Relationship between luminescent Properties of laino3 xsm Phosphors and concentration of SM
On 2019-01-14 10:56:40 in Knownlege
This article describes the relationship between luminescent Properties of laino3 xsm Phosphors and concentration of SM ...
What is a varactor and how to detect it?
On 2019-01-04 10:52:48 in Generally electronic semiconductor
This article describes the basic principles of the varactor and detection of varactor ...
How to detect a flashing light emitting diode(BTS)?
On 2018-12-25 11:45:47 in Generally electronic semiconductor
This article briefly introduces how to detect a flashing light emitting diode(BTS) ...
How does a junction field effect transistor be detected?
On 2018-12-17 14:03:59 in Generally electronic semiconductor
This article describes how to detect a junction field effect transistor. ...
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 a photosensitive transistor?
On 2018-10-27 11:13:49 in Memory
the pin of the pin identifies the pin arrangement of the photosensitive transistor as shown in Figure 6-8,the foot near the pin or the longer one is the emitter E,and the far or shorter foot of the foot is the collector C ...
how to detect and repair the photoelectric switch?
On 2018-10-27 10:40:06 in Memory
The detection method of the transmitting tube and the receiving tube is as follows. ...