The difference between diode and resistor
On 2018-12-08 11:39:22 in Knownlege
This article writes about the different roles of diode and resistor ...
What should you know before solder?
On 2019-01-12 13:20:48 in Knownlege
This article describes some konwnledge that you should know before solder. ...
How to measure the AXTpower?
On 2019-03-12 14:26:30 in Knownlege
This article describes the method to measure the AXTpower ...
MEMS oscillator and quartz clock in the car
On 2019-05-20 13:14:44 in Knownlege
This article writes about the MEMS oscillator and quartz clock in the car ...
What are the common reason of fault of the electromagnet?
On 2019-01-08 14:24:09 in Knownlege
This article introduces the common reason of fault of the electromagnet. ...
What is the magnetron of the microwave oven and how does it works?
On 2018-12-20 15:01:50 in Knownlege
This article introduces the functional characteristics, working principles of the continuous wave force air-cooled magnetron used in the microwave oven. ...
What are the methods of reducing the measurement error of the pointer multimeter?
On 2019-02-13 13:21:56 in Knownlege
This article introduces some methods of reducing the measurement error of the pointer multimeter ...
What's the difference between power supply and signals on the motherboard?
On 2019-03-07 11:19:11 in Knownlege
This article briefly introduces the difference between power supply and signals on the motherboard? ...
What is the difference and connection between the transmitter and the sensor?
On 2018-12-11 10:57:03 in Knownlege
This article writes about the difference and connection between the transmitter and the sensor ...
Filter circuit
On 2019-01-04 13:28:12 in Knownlege
This article briefly introduces the filter circuit. ...
How to select a automobile digital multimeter?
On 2019-03-08 11:31:34 in Knownlege
This article describes the selection method of automobile digital multimeter. ...
New SSR Design Prevents Overheating Solving Electronic Switching in Load Control Applications
On 2018-12-17 11:21:14 in Knownlege
This article describes the New SSR Design Prevents Overheating Solving Electronic Switching in Load Control Applications ...
What are the characteristics and shape and measuring range of digital multimeter?
On 2019-02-15 13:59:23 in Knownlege
This article briefly introduces the characteristics and shape and measuring range of digital multimeter ...
Insulation resistance
On 2018-12-11 14:12:15 in Knownlege
This article briefly introduces insulation resistance ...
Computer motherboard resistance, capacitance
On 2018-12-08 11:11:23 in Knownlege
This article writes about the different roles of capacitors and resistors ...
Electrooptic devices are just the opposite
On 2018-10-31 11:01:18 in Knownlege
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 ...
How to choose a mechanical multimeter?
On 2019-01-27 15:14:01 in Knownlege
The article explores how to choose a mechanical multimeter. ...
Simple function generator circuit
On 2018-12-27 11:22:15 in Knownlege
This article describes the Simple function generator circuit ...
What is the principle of photoelectric conversion devices?
On 2018-12-08 10:40:53 in Knownlege
This article describes the principle of photoelectric conversion devices ...
Maintenance method of bridge power supply circuit failure.
On 2019-04-27 15:32:59 in Knownlege
This article writes about the Maintenance method of bridge power supply circuit failure. ...
What are the features and use note of CMOS circuit?
On 2019-01-09 14:07:06 in Knownlege
This article describes the features and use note of CMOS circuit ...
What is the structure of the moving coil microphone and how to detect it?
On 2019-01-02 15:05:41 in Knownlege
This article describes the structure and detection of the moving coil microphone ...
What is the definition and major categories of low-voltage electrical appliances?
On 2019-05-23 11:55:08 in Knownlege
This article briefly introduces the definition and major categories of low-voltage electrical appliances ...
The relationship between ATX power supply and switching power supply.
On 2019-03-18 16:05:11 in Knownlege
This article briefly introduces the relationship between ATX power supply and switching power supply. ...
What issues should pay attention to when using the multimeter?
On 2019-02-16 10:36:20 in Knownlege
This article introduces some issues should pay attention to when using the multimeter ...
Low frequency small signal amplification circuit
On 2019-01-05 15:27:55 in Knownlege
This article describes the low frequency small signal amplification circuit ...
Classification of sensors in the car and the impact of the broken sensor
On 2018-12-10 13:50:32 in Knownlege
This article briefly introduces classification of sensors in the car and the impact of the broken sensor ...
Main cell phone sensor
On 2018-12-06 10:44:40 in Knownlege
This article describes the role of different mobile phone sensors. ...
Power in the ATX power supply
On 2019-04-08 16:09:09 in Knownlege
This article writes about the active power and reactive power in the ATX power supply ...
How to design analog switches to switch audio signals?
On 2021-03-25 10:43:32 in Knownlege
This article describes the characteristics of the switch audio signals. ...
What is the fake load?
On 2019-04-11 11:33:01 in Knownlege
This article briefly introduces the fake load. ...
What are the methods for detecting transistors of a multimeter?
On 2019-02-22 13:55:39 in Knownlege
This article describes some methods for detecting transistors of a multimeter ...
What are the problems in radio assembly?
On 2019-01-15 14:05:25 in Knownlege
This article describes the problems in radio assembly ...
What are the switches used in electrical appliances?
On 2018-12-13 11:54:57 in Knownlege
This article describes the role of the switches ...
The principle, advantages and disadvantages of several liquid level gauges
On 2019-07-03 10:58:24 in Knownlege
This article describes the principle, advantages and disadvantages of several liquid level gauges ...
The principle and comparison of several level gauges for different price grades.
On 2019-06-06 15:01:16 in Knownlege
The principle and comparison of several level gauges for different price grades. ...
The method of using the sensor block of OTC700 series digital multimeter.
On 2019-04-23 14:16:06 in Knownlege
This article describes the method of using the sensor block of OTC700 series digital multimeter. ...
How the Intel G41 chipset motherboard works?
On 2019-04-12 11:39:48 in Knownlege
This article describes how the Intel G41 chipset motherboard works ...
How to judge whether there is a fault element according to the value of earth resistance？
On 2019-04-03 14:22:13 in Knownlege
This article describes the how to judge whether there is a fault element according to the value of earth resistor. ...
What are the common types of power transformers?
On 2018-12-06 10:08:20 in Knownlege
This article writes about the different types of power transformers. ...