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. ...
What is a transient voltage suppressor diode ( TVS )?
On 2018-10-26 16:57:28 in Relays
Transient voltage suppressor diode is a new type of overvoltage safety protection device. The utility model has the advantages of small size ...
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. ...
What are the sources and classifications of EMI electromagnetic interference?
On 2019-08-20 10:58:30 in Generally electronic semiconductor
This article describes the characteristics of the EMI. ...
How to measure motherboard standby conditions?
On 2019-06-15 15:28:54 in Technology
This article describes how to measure motherboard standby conditions. ...
A method for detecting resistance components using a multimeter.
On 2019-05-30 14:42:49 in Resistors
This article introduces A method for detecting resistance components using a multimeter. ...
How to detect the fixed capacitor?
On 2018-12-14 11:39:59 in Capacitors
This article writes about the detect of capacitor. ...
Common parameters
On 2018-10-30 11:49:42 in Memory
peak height refers to the peak soldering PCB to eat tin height ( Figure 2-1 1 43 ) ...
How do you measure infrared light emitting diodes?
On 2018-10-26 16:48:19 in Memory
When detecting infrared light emitting diodes,there is a big difference between the pointer type multimeter and the digital multimeter ...
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 are the common faults of power regulators?
On 2021-06-22 10:56:41 in IC Chips
This article describes the characteristics of the power regulators. ...
What are the excitation technology and frequency reading technology of vibrating wire sensors?
On 2021-06-01 10:55:12 in Sensor
This article describes the characteristics of the sensor. ...
What is the design of the MCU for the audio repeller?
On 2020-05-29 10:43:24 in Generally electronic semiconductor
This article describes the characteristics of the design of the MCU for the audio repeller. ...
What is a small cover pole motor and how to test and repair it?
On 2019-01-08 10:21:31 in Generally electronic component
This article describes about the small cover pole motor and how to test and repair it ...
How to identify and detect bidirectional thyristors?
On 2018-12-18 15:02:24 in Generally electronic semiconductor
This article introduces some ways to identify and detect bidirectional thyristors ...
How to detect a one-way thyristor?
On 2018-10-29 14:00:36 in Generally electronic semiconductor
Determination of appearance recognition of each electrode Common unidirectional thyristor electrodes are arranged as shown in Figure. ...
If there is no same type of diode in use, how to replace it?
On 2019-01-05 10:49:48 in Generally electronic semiconductor
This article describes how to replace diode when there is no same type of diode ...
What are the advantages of industrial-grade wireless bridges？
On 2021-06-08 10:38:46 in Knownlege
This article describes the characteristics of the industrial-grade wireless bridges. ...
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. ...
How to measure the varistor and Photo resistor by using a pointer multimeter?
On 2019-10-31 10:14:57 in Crystals Oscillators/Resonators
Method of measuring a varistor by using a pointer multimeter. ...
What are the methods for detecting DC resistance with using multimeter?
On 2019-02-18 16:59:48 in Knownlege
This article describes some methods for detecting DC resistance with using multimeter ...
What parts are the small DC motors made up of and how its steady speed?
On 2019-01-02 17:44:05 in Knownlege
This article describes the Parts of small DC motors and its steady speed ...
How to detect quartz crystals and make emergency repairs?
On 2018-12-28 15:51:07 in Generally electronic component
This article introduces some ways to detect quartz crystals and make emergency repairs ...
What is a reed pipe and dry reed relay and how to detect them?
On 2018-12-27 13:51:03 in Relays
This article introduces reed pipe and dry reed relay ...
What is IGBT (insulated gate bipolar transistor)?
On 2018-12-27 11:47:29 in Generally electronic semiconductor
This article introduces what is IGBT (insulated gate bipolar transistor) ...
What Kind of Sensors Are Needed in Smart Agriculture?
On 2018-12-26 11:04:59 in Sensor
The article explores the kind of sensors are needed in smart agriculture ...
What are the performance characteristics of headphones and earplugs and how to detect them?
On 2018-12-21 10:48:38 in Generally electronic component
This article briefly introduces the performance characteristics and detection of headphones and earplugs ...
What is the difference between a two-stage switch and a single-stage switch?
On 2018-12-10 13:28:38 in Knownlege
This article writes about the difference between a two-stage switch and a single-stage switch ...
Two,bi-directional thyristor
On 2018-10-31 11:22:11 in Generally electronic semiconductor
Bidirectional thyristor is a new semiconductor device developed on the basis of unidirectional thyristor ...
What is a BTG thyristor?
On 2018-10-29 15:06:32 in Generally electronic semiconductor
The BTG thyristor is a special semiconductor device.The utility model can be used as a thyristor and can be used as a single junction transistor ( double base diode ) ...
Main parameters of inductors
On 2018-08-22 12:34:29 in Relays
The main parameters of inductors include inductance, permissible deviation, quality factor, sectional capacitance and rated current. ...
Identification and detection of active resistance elements
On 2018-08-22 11:08:45 in Relays
Resistance is one of the most common and basic electronic components. ...
What are the classifications of connectors commonly used in life?
On 2019-07-13 11:39:53 in Connector
This article describes the classifications of connectors commonly used in life ...
What is the insertion principle of plug-in electronic components?
On 2019-01-12 10:53:22 in Knownlege
This article briefly introduces the nsertion principle of plug-in electronic components ...
Double wave soldering process.
On 2019-01-05 11:51:57 in Knownlege
This article briefly introduces the double wave soldering process. ...
The main role of the potentiometer?
On 2018-12-11 13:20:38 in Knownlege
This article describes the main role of the potentiometer ...
What factors are related to the resistance of the resistor
On 2018-12-06 10:35:16 in Knownlege
This article briefly introduces main factors related to the resistance of the resistor ...
How to judge whether the capacitor is good?
On 2018-12-05 10:43:01 in Technology
This article introduces how to judge whether the capacitor is good or bad ...
What are the guidelines for FPGA "programmability"?
On 2023-07-01 11:58:44 in IC Chips
This article describes the characteristics of the FPGA "programmability". ...