Loudspeaker

On 2018-12-15 14:54:45  in Generally electronic component

Loudspeaker

This article introduces the classification of loudspeakers ...

What is the defferent between variable capacitor and trimming capacitor?

On 2019-01-12 14:22:19  in Capacitors

What is the defferent between variable capacitor and trimming capacitor?

This article describes the defferent between variable capacitor and trimming capacitor ...

What is the EMC filter rectification six-step method?

On 2019-12-04 10:46:17  in IC Chips

What is the EMC filter rectification six-step method?

This article describes the characteristics of the filter. ...

What are the main indicators of the signal generator?

On 2019-07-31 11:10:27  in Generally electronic semiconductor

What are the main indicators of the signal generator?

This article describes the characteristics of the signal generator. ...

Network card chip and interface circuit analysis and maintenance.

On 2019-07-04 17:53:41  in IC Chips

Network card chip and interface circuit analysis and maintenance.

This article briefly introduces the Network card chip and interface circuit analysis and maintenance. ...

Method of measuring common resistance and high resistance by digital multimeter.

On 2019-07-01 18:12:58  in Resistors

Method of measuring common resistance and high resistance by digital multimeter.

This article describes the method of measuring common resistance and high resistance by digital multimeter. ...

How the Intel H61 chipset motherboard works?

On 2019-04-29 11:00:33  in IC Chips

How the Intel H61 chipset motherboard works?

This article writes about the work principle of Intel H61 chipset motherboard ...

What is the relevant knowledge of sensors?

On 2021-02-22 10:33:42  in Sensor

What is the relevant knowledge of sensors?

This article introduces the relevant knowledge and characteristics of the sensor ...

​Electret capacitive microphone

On 2018-11-01 14:19:07  in Relays

​Electret capacitive microphone

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 ...

Audio transformer and high frequency transformer

On 2019-01-04 12:01:12  in Transformer

Audio transformer and high frequency transformer

This article briefly introduces the audio transformer and high frequency transformer ...

What is COB?

On 2019-01-02 15:26:57  in Technology

What is COB?

This article writes about the COB ...

What is the principle of patch miniature FM radio?

On 2019-01-12 13:42:13  in Knownlege

What is the principle of patch miniature FM radio?

This article briefly introduces the principle of patch miniature FM radio. ...

Thyristor

On 2018-12-25 14:24:38  in Generally electronic semiconductor

Thyristor

This article writes about the thyristor ...

Where can thermal conductivity gas sensors be used?

On 2020-11-05 10:57:40  in Sensor

Where can thermal conductivity gas sensors be used?

This article describes the characteristics of the gas sensors. ...

What is the principle of white LED illumination by fluorescence conversion?

On 2019-01-11 10:25:12  in Photoelectric

What is the principle of white LED illumination by fluorescence conversion?

This article writes about the principle of white LED illumination by fluorescence conversion ...

The problem of CPLD driving MAX7219

On 2023-03-15 13:45:13  in IC Chips

The problem of CPLD driving MAX7219

CPLD is used to drive MAX7219 IC, making it possible to control up to 64 individual LEDs with minimal control pins from a controller. It is simpler to program and has higher speed than microcontrollers. ...

How does a photoelectric sensor work in an Android mobile device?

On 2021-01-26 10:34:34  in Sensor

How does a photoelectric sensor work in an Android mobile device?

How photoelectric sensors work in mobile devices ...

How to realize high-speed programmable large array two-dimensional optical phased array chip?

On 2019-12-24 10:31:04  in IC Chips

How to realize high-speed programmable large array two-dimensional optical phased array chip?

This article describes the characteristics of the high-speed programmable large array two-dimensional optical phased array chip. ...

Light emitting diodes(LED)

On 2018-12-13 14:06:12  in Generally electronic semiconductor

Light emitting diodes(LED)

This article briefly introduces the light emitting diodes(LED) ...

Electrooptic devices are just the opposite

On 2018-10-31 11:01:18  in Knownlege

Electrooptic devices are just the opposite

The history of photoelectric technology is actually earlier than that of electronic technology.In early twentieth Century, Einstein won the Nobel prize with the discovery of photoelectric effect ...

What is the difference between a transformer and a coupled inductor?

On 2019-06-10 16:00:27  in Transformer

What is the difference between a transformer and a coupled inductor?

This article writes about the different between a transformer and a coupled inductor ...

What is a varactor and how to detect it?

On 2019-01-04 10:52:48  in Generally electronic semiconductor

What is a varactor and how to detect it?

This article describes the basic principles of the varactor and detection of varactor ...

​how to detect a two-way trigger diode?

On 2018-10-26 17:02:25  in Memory

​how to detect a two-way trigger diode?

use the multimeter to place the multimeter in the RX1~RX10kQ gear and measure the positive and reverse resistance of the bidirectional trigger diode ...

how to detect the LED emission tube?

On 2018-10-26 16:31:21  in Memory

how to detect the LED emission tube?

The use of multimeter to detect LED luminous platoon is mainly to check whether the LEDs are good ...

What are the technical applications of gyro sensors?

On 2021-02-23 10:34:57  in Sensor

What are the technical applications of gyro sensors?

This article introduces the application characteristics of gyroscope sensors. ...

Commonly used transformers

On 2019-01-04 13:57:57  in Transformer

Commonly used transformers

​This article describes some commonly used transformers ...

What is the difference and connection between the transmitter and the sensor?

On 2018-12-11 10:57:03  in Knownlege

What is the difference and connection between the transmitter and the sensor?

​ This article writes about the difference and connection between the transmitter and the sensor ...

Autotransformer and voltage regulating transformer

On 2018-08-28 17:33:17  in Relays

Autotransformer and voltage regulating transformer

The common characteristic of transformer is that the DC circuit on both sides is completely separated, and the energy transfer on both sides is coupled by magnetic field. ...

What are the parameters of power transformer?

On 2019-01-09 16:01:29  in Transformer

What are the parameters of power transformer?

This article describes the parameters of power transformer ...

What is an AC Link Closed Loop Current Sensor?

On 2021-01-16 10:53:05  in Sensor

What is an AC Link Closed Loop Current Sensor?

Description and function introduction of closed loop current sensor ...

How much does the sensor know?

On 2020-11-11 11:02:01  in Sensor

How much does the sensor know?

This article describes the characteristics of the sensors. ...

How to detect a transformer?

On 2018-12-20 11:11:48  in Generally electronic component

How to detect a transformer?

This article describes how to detect a transformer. ...

Surface Acoustic Wave Filter (SAWF)

On 2018-11-03 13:50:26  in Generally electronic semiconductor

Surface Acoustic Wave Filter (SAWF)

Structure and characteristics of ceramic components The ceramic element is coated with a metal silver layer on both sides of a sheet made of aluminum zirconate titanate ceramic material ...

What is solid state RF power amplifier technology?

On 2020-03-11 10:31:33  in IC Chips

What is solid state RF power amplifier technology?

This article describes the characteristics of the solid state RF power amplifier. ...

What is solid state RF power amplifier technology?

On 2020-01-10 10:48:56  in Discrete Semiconductor

What is solid state RF power amplifier technology?

This article describes the characteristics of the solid state RF power amplifier. ...

The principle of the radio analysis

On 2019-01-05 11:13:09  in Generally electronic component

The principle of the radio analysis

This article describes the principle of the radio analysis ...

What are the problems in radio assembly?

On 2019-01-15 14:05:25  in Knownlege

What are the problems in radio assembly?

This article describes the problems in radio assembly ...

What is a sheet resistor?

On 2018-12-17 14:36:19  in Resistors

What is a sheet resistor?

​This article introduces what is a sheet resistor. ...

Display LCD and LED

On 2018-12-08 10:52:21  in Generally electronic semiconductor

Display LCD and LED

This article writes about the different roles of display LCD and LED ...

What is the phase shift in the analog circuit?

On 2019-08-10 11:07:00  in Generally electronic component

What is the phase shift in the analog circuit?

This article describes the characteristics of the analog circuit. ...