Different role of reed relay and solid state relay

On 2019-01-04 11:43:43  in Relays

Different role of reed relay and solid state relay

This article describes the role of reed relay and solid state relay ...

Classification of printed circuit boards

On 2018-12-11 14:35:26  in Knownlege

Classification of printed circuit boards

This article briefly introduces classification of printed circuit boards ...

When do you need to add an I2C isolator at design time?

On 2019-07-02 15:41:18  in Knownlege

When do you need to add an I2C isolator at design time?

This article describes at design time when need to add an I2C isolator ...

Double wave soldering process.

On 2019-01-05 11:51:57  in Knownlege

Double wave soldering process.

This article briefly introduces the double wave soldering process. ...

Photoelectric effect

On 2018-12-06 10:21:02  in Knownlege

Photoelectric effect

This article briefly introduces the photoelectric effect ...

How to judge whether the capacitor is good?

On 2018-12-05 10:43:01  in Technology

How to judge whether the capacitor is good?

This article introduces how to judge whether the capacitor is good or bad ...

The more antennas, the better? What are the actual factors that affect the signal?

On 2023-06-07 13:56:39  in Filter

The more antennas, the better? What are the actual factors that affect the signal?

This article describes the characteristics of the antennas. ...

What is the role of crystal oscillator in single chip microcomputer?

On 2019-07-23 13:53:53  in Crystals Oscillators/Resonators

What is the role of crystal oscillator in single chip microcomputer?

This article describes the role of crystal oscillator in single chip microcomputer ...

Why do the monitors exhibit different capacitance bulging?

On 2019-07-11 10:28:54  in Photoelectric

Why do the monitors exhibit different capacitance bulging?

This article briefly introduces the reasons of monitors exhibiting different capacitance bulging ...

How to detect thermistors?

On 2019-06-15 17:03:27  in Resistors

How to detect thermistors?

This article introduces the method of detecting thermistors. ...

OLED illumination principle and structure

On 2019-06-15 15:27:31  in Generally electronic semiconductor

OLED illumination principle and structure

This article write about the OLED illumination principle and structure ...

How to detect resistors by a pointer multimeter?

On 2019-06-13 16:26:21  in Resistors

How to detect resistors by a pointer multimeter?

This article describes the method of detecting resistors by a pointer multimeter ...

How to detect positive temperature coefficient thermistor PTC.

On 2019-06-04 16:23:31  in Resistors

How to detect positive temperature coefficient thermistor PTC.

This article briefly introduces the method of detecting positive temperature coefficient thermistor PTC. ...

CPU power supply circuit structure.

On 2019-04-18 14:46:42  in Knownlege

CPU power supply circuit structure.

This article describes the CPU power supply circuit structure. ...

What should be pay attention when installing a capacitor on a board?

On 2019-01-18 17:03:00  in Capacitors

What should be pay attention  when installing a capacitor on a board?

This article describes what should be pay attention when installing a capacitor on a board ...

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 are the types and characteristics of solder wave crests and how to control temperature?

On 2019-01-12 10:43:41  in Knownlege

What are the types and characteristics  of solder wave crests and how to control temperature?

This article briefly introduces the types and characteristics of solder wave crests and how did it control temperature ...

What is a 555 timer?

On 2019-01-09 13:23:23  in IC Chips

What is a 555 timer?

This article writes about the 555 timer ...

What are the main parameters of the varistor?

On 2019-01-09 13:22:09  in Resistors

What are the main parameters of the varistor?

This article describes the main parameters of the varistor. ...

What are the functions and characteristics of the integrated circuit application circuit?

On 2019-01-08 13:55:00  in IC Chips

What are the functions and characteristics of the integrated circuit application circuit?

This article briefly introduces the functions and characteristics of the integrated circuit application circuit ...

What are the principle,types and main technical parameters of a switch?

On 2019-01-08 10:56:57  in Generally electronic component

What are the principle,types and main technical parameters of a switch?

This article describes the principle,types and main technical parameters of a switch ...

What is Logic Algebra?

On 2019-01-07 17:43:41  in Knownlege

What is Logic Algebra?

This article briefly introduces the logic algebra. ...

How about capacitors be used in series and in parallel?

On 2018-12-14 15:30:49  in Capacitors

How about capacitors be used in series and in parallel?

This article introduces about capacitors be used in series and in parallel ...

Rated power rating and detection method of fixed resistance

On 2018-12-13 14:58:39  in Knownlege

Rated power rating and detection method of fixed resistance

This article briefly introduces rated power rating and detection method of fixed resistance ...

What is an inductor and how to name the inductor?

On 2018-12-01 10:15:15  in Inductor

What is an inductor and how to name the inductor?

This article describes What is an inductor and how to name the inductor。 ...

​What is a differential pair?

On 2018-10-27 11:20:00  in Knownlege

​What is a differential pair?

A differential pair of tubes is also called a pair of tubes or a differential pair of tubes. ...

​how to detect a bandstop transistor?

On 2018-10-27 11:10:04  in Generally electronic semiconductor

​how to detect a bandstop transistor?

Because of the internal resistance,the high resistance gear should be measured during testing ...

​how to detect the transient voltage suppression diode?

On 2018-10-26 17:00:00  in Generally electronic semiconductor

​how to detect the transient voltage suppression diode?

using a multimeter RX 10kilo-ohm for a monopole type TVS,the positive and reverse resistors can be measured by measuring ordinary diodes ...

​What is a transient voltage suppressor diode ( TVS )?

On 2018-10-26 16:57:28  in Relays

​What is a transient voltage suppressor diode ( TVS )?

Transient voltage suppressor diode is a new type of overvoltage safety protection device. The utility model has the advantages of small size ...

How to identify and detect common diodes?

On 2018-10-26 15:48:50  in IC Chips

How to identify and detect common diodes?

Intuitive judgment. Some of the circuit symbols are printed on the diode to indicate polarity; one end of the negative pole of the diode is printed with a color ring as a negative mark ...

What are the commonly used anti-jamming technologies for sensors?

On 2023-08-21 17:18:57  in Sensor

What are the commonly used anti-jamming technologies for sensors?

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

How does the fiber optic connector work?

On 2021-08-19 10:38:21  in Connector

How does the fiber optic connector work?

This article describes the characteristics of the connector. ...

How do filter capacitors and common mode inductors eliminate electromagnetic interference?

On 2019-08-12 10:30:07  in Capacitors

How do filter capacitors and common mode inductors eliminate electromagnetic interference?

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

How to manufacture a mobile phone battery charger?

On 2019-01-22 16:56:32  in Technology

How to manufacture a mobile phone battery charger?

This article describes how to manufacture a mobile phone battery charger? ...

The structure and properties of quartz crystal elements

On 2018-11-03 13:39:16  in Question

The structure and properties of quartz crystal elements

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 ...

Detailed explanation of the rectification circuit of the DC regulated power supply

On 2023-03-08 13:38:07  in IC Chips

Detailed explanation of the rectification circuit of the DC regulated power supply

Rectifier circuit is an integral part of DC-to-DC converters, which uses diodes to convert the incoming AC signal into a single and consistent DC signal. The transformer adjusts the AC signal before it is filtered, and the error amplifier monitors the out ...

What is an APC connector and how is it measured?

On 2021-08-17 10:37:52  in Connector

What is an APC connector and how is it measured?

This article describes the characteristics of the connector. ...

What is an APC connector and how is it measured?

On 2021-08-03 11:05:46  in Connector

What is an APC connector and how is it measured?

This article describes the characteristics of the connector. ...

Method of detecting fixed capacitors.

On 2019-11-06 11:05:23  in Capacitors

Method of detecting fixed capacitors.

This article describes the characteristics of method of detecting fixed capacitors ...

What is a differential signal, why use amplifier circuit ?

On 2019-09-29 10:14:16  in Generally electronic component

What is a differential signal, why use amplifier circuit ?

This article describes the characteristics of the amplifier. ...