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 are the signal letters on mainboard?
On 2019-03-14 11:26:47 in IC Chips
This article briefly introduces some signal letters on mainboard ...
How to repair mechanical multimeter magnetoelectric meter head and resistance blocking fault？
On 2019-01-28 13:37:51 in Technology
This article describes how to repair mechanical multimeter magnetoelectric meter head and resistance blocking fault. ...
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. ...
CMOS circuit fault maintenance method.
On 2019-05-06 11:21:24 in Technology
This article describes the maintenance method of CMOS circuit. ...
How to use the OTC700 series automobile digital multimeter correctly.
On 2019-04-18 14:24:01 in Knownlege
This article briefly introduces the use of OTC700 series automobile digital multimeter. ...
How to use a digital multimeter to detect frequency and temperature?
On 2019-02-27 11:21:18 in Technology
This article describes the method for frequency and temperature detection. ...
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 ...
What are the common semiconductor rectifying electronic components?
On 2019-01-18 18:08:19 in Generally electronic semiconductor
This article describes the common semiconductor rectifying electronic components ...
What is a transformer and how to classify?
On 2019-01-09 13:35:40 in Transformer
This article describes the cllassification of transformers. ...
what is a discoloration light emitting diode?
On 2018-12-27 13:33:07 in Photoelectric
This article describes the discoloration light emitting diodes ...
What is a negative temperature coefficient thermistor ( NTC )?
On 2018-12-14 14:37:37 in Generally electronic semiconductor
This article describes the features of negative temperature coefficient thermistor ( NTC ). ...
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 ...
What is a light-controlled thyristor?
On 2018-10-29 14:43:26 in Generally electronic semiconductor
The light control thyristor,commonly known as light-controlled thyristor,is a light control element,which has simple circuit structure and can directly drive a high-power electric circuit. ...
What is the principle of LED lighting technology?
On 2021-11-25 10:39:52 in Photoelectric
This article describes the characteristics of the LED lighting technology. ...
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. ...
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 ...
What is PLC?
On 2020-06-09 10:40:51 in Connector
This article describes the characteristics of PLC. ...
What is the principle and function of signal transmission by signal transistor?
On 2019-08-29 10:14:56 in Generally electronic component
This article describes the characteristics of signal transistor. ...
What are the measures to improve the anti-interference ability and electromagnetic compatibility?
On 2019-08-19 10:42:46 in Generally electronic component
This article describes the characteristics of the electromagnetic compatibility. ...
What are the classifications of pc power supplies?
On 2019-08-09 10:47:46 in Generally electronic semiconductor
This article describes the characteristics of the power supplies. ...
How to make a wireless music doorbell?
On 2019-04-20 13:27:35 in Knownlege
This article describes the production of wireless music doorbell ...
Method of detecting fixed capacitors.
On 2019-11-06 11:05:23 in Capacitors
This article describes the characteristics of method of detecting fixed capacitors ...
How to detect the fixed capacitors?
On 2019-07-02 15:43:54 in Capacitors
This article introduces some methods of detecting fixed capacitors. ...
What is a MEG table and how to use it?
On 2019-01-04 11:24:23 in Knownlege
This article briefly introduces the MEG table and how to use it ...
what is an infrared light emitting diode and how to detect it?
On 2018-12-28 16:43:35 in Generally electronic semiconductor
This article briefly introduces the infrared light emitting diode and the method to detect it. ...
Photosensitive resistor
On 2018-10-31 11:15:12 in Resistors
Photoresistor is a device made of semiconductor photoelectric effect principle.When the semiconductor is exposed to light ...
what is a super bright light emitting diode?
On 2018-10-26 16:22:18 in Generally electronic semiconductor
The common L.ED luminescence intensity has developed from several mned to dozens of med. ...
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 is the main characteristics of a Tantalum electrolytic capacitor?
On 2019-01-08 15:21:53 in Capacitors
This article describes the characteristics of Tantalum electrolytic capacitor ...
Filter circuit
On 2019-01-04 13:28:12 in Knownlege
This article briefly introduces the filter circuit. ...
What is a Schottky diode and how to detect it?
On 2018-12-18 14:24:16 in Generally electronic semiconductor
This article briefly introduces what is a Schottky diode and how to detect it ...
What is the role of automotive air conditioning pressure switch?
On 2018-12-08 11:59:42 in Knownlege
This article describes the role of automotive air conditioning pressure switch ...
Computer motherboard resistance, capacitance
On 2018-12-08 11:11:23 in Knownlege
This article writes about the different roles of capacitors and resistors ...
How to detect the BTG thyristor?
On 2018-10-29 15:08:36 in Memory
Judging the electrode to place the multimeter in RX1K2 block,and the red and black stylus rotation to connect a pair of electrodes,when a pair of pins is measured to be low resistance ...
What are the processes and precautions for typical FPGA development?
On 2020-01-06 10:21:57 in IC Chips
This article describes the characteristics of the optical phased array chip. ...
How to detect the malfunction of the air flow sensor?
On 2020-07-16 10:41:40 in Sensor
This article describes the characteristics of the air flow sensor ...
How to detect the malfunction of the air flow sensor?
On 2020-06-27 10:37:17 in IC Chips
This article describes the characteristics of the air flow sensor ...
How to use pointer multimeter to judge the capacitance value and the capacitance of large capacity electrolytic capacitors
On 2019-11-14 11:02:16 in Capacitors
This article describes the characteristics of using pointer multimeter to judge the capacitance value and the capacitance of large capacity electrolytic capacitors ...