What is the difference between a lithium battery charger and an adapter?
On 2021-07-02 10:47:03 in IC Chips
What is the difference between resonant capacitor and filter capacitor?
On 2021-05-18 10:45:29 in Generally electronic semiconductor
How to design a common-emitter amplifier circuit?
On 2019-09-09 10:27:12 in Generally electronic semiconductor
How to use a digital multimeter?
On 2018-12-28 14:41:08 in Technology
The main role of the potentiometer?
On 2018-12-11 13:20:38 in Knownlege
GND( ground) resistor value measured by a multimeter
On 2019-04-02 11:32:30 in Resistors
What is the basic function of ATX power supply?
On 2019-03-20 11:40:51 in Knownlege
Classification of capacitors
On 2018-10-30 11:59:35 in Relays
According to function.It can be divided into polyester capacitor,mica capacitor,high frequency ceramic capacitor,monolithic capacitor ...
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 is an infrared light emitting diode?
On 2018-10-26 16:45:24 in Memory
determine the order of the arrangement of the pins.The multimeter is placed in the R*1 thousand euro file ...
what are the characteristics of a light emitting diode?
On 2018-10-26 16:17:19 in IC Chips
Light emitting diodes have the same conductivity as ordinary diodes.When positive currents pass through PN junctions ...
How to use a mechanical multimeter?
On 2019-01-27 14:43:12 in Technology
How to detect a transformer?
On 2018-12-20 11:11:48 in Generally electronic component
What test methods are available to test connector reliability?
On 2019-07-25 11:23:00 in Connector
What issues should pay attention to when using the multimeter?
On 2019-02-16 10:36:20 in Knownlege
How to select a general small power triode and a high power triode?
On 2019-01-08 15:57:01 in Generally electronic semiconductor
What are the semiconductor materials used in RF microwave power transistors?
On 2020-01-14 10:46:34 in IC Chips
How to detect resistors by a pointer multimeter?
On 2019-06-13 16:26:21 in Resistors
Intel single Bridge Motherboard bus Power supply Analysis.
On 2019-06-11 14:59:42 in Knownlege
What issues should pay attention to before using the multimeter?
On 2019-02-14 11:23:38 in Knownlege
What is a 555 timer?
On 2019-01-09 13:23:23 in IC Chips
What are the characteristics and parameters of the photosensitive resistor?
On 2019-01-08 15:44:42 in Generally electronic semiconductor
This article briefly introduces the characteristics and parameters of thephotosensitive resistor. ...
Three types of the comparator
On 2019-01-08 13:36:28 in IC Chips
What are the principle,types and main technical parameters of a switch?
On 2019-01-08 10:56:57 in Generally electronic component
How to choose an air switch
On 2018-12-06 13:34:28 in Knownlege
Transformer
On 2018-12-04 10:31:30 in Technology
What is the adjustable reset timeout period suitable for various applications?
On 2021-07-17 11:58:32 in Generally electronic component
Sound card chip and interface circuit analysis and fault maintenance.
On 2019-11-22 11:42:56 in IC Chips
This article describes the characteristics of sound card chip and interface circuit analysis and fault maintenance. ...
What is the circuit of the video amplifier?
On 2019-09-12 10:22:26 in Generally electronic semiconductor
What is the master-slave structure RS flip-flop and JK flip-flop circuit?
On 2019-08-08 11:19:18 in Knownlege
What is the fake load?
On 2019-04-11 11:33:01 in Knownlege
What are the parameters of power transformer?
On 2019-01-09 16:01:29 in Transformer
Capacitors
On 2018-12-29 15:06:14 in Capacitors
A method of detecting gas-sensitive resistors by using pointer multimeter current shields.
On 2019-07-05 16:20:45 in Resistors
This article describes a method of detecting gas-sensitive resistors by using pointer multimeter current shields. ...
How to connect test lines when using DC / AC mode shields?
On 2019-04-20 13:38:41 in Technology
This article describes Method of properly connecting test lines when using DC / AC mode shields. ...
Oscilloscope basical principle
On 2019-04-09 11:33:42 in Knownlege
What should be paid attention to in the application of fixed capacitors?
On 2018-12-15 10:55:38 in Capacitors
Control power,power supply and chassis power supply
On 2018-12-11 11:23:56 in Knownlege
This article writes about the different roles of control power,power supply and chassis power supply ...
How to measure the transformer is good or bad?
On 2018-12-06 12:03:17 in Technology
How to measure the transformer is good or bad?
On 2018-12-04 11:05:19 in Technology