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 ...
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 ...
The difference of tube and transistor.
On 2018-12-04 10:44:04 in Knownlege
This article describes the difference of tube and transistor ...
DDD Intel H555 chipset I3 Series motherboard architecture
On 2019-04-10 11:00:02 in Knownlege
This article describes the DDD Intel H555 chipset I3 Series motherboard architecture. ...
CPU power supply circuit fault maintenance method.
On 2019-04-09 11:23:30 in Knownlege
This article briefly introduces the CPU power supply circuit fault maintenance method. ...
What are the basic components on the ATX power board?
On 2019-03-13 13:07:05 in Knownlege
This article introduces the basic components on the ATX power board. ...
What parts are the small DC motors made up of and how its steady speed?
On 2019-01-02 17:44:05 in Knownlege
This article describes the Parts of small DC motors and its steady speed ...
What is the difference between a two-stage switch and a single-stage switch?
On 2018-12-10 13:28:38 in Knownlege
This article writes about the difference between a two-stage switch and a single-stage switch ...
What are the ways to use the digital multimeter's conductivity block?
On 2019-03-05 11:59:40 in Knownlege
This article briefly introduces the ways to use the digital multimeter's conductivity block ...
What is the relationship between the chip and the discrete device?
On 2018-12-11 10:49:57 in Knownlege
This article briefly introduces the relationship between the chip and the discrete device ...
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 ...
Design dimensions of printed conductors and holes for pad
On 2018-12-13 11:19:14 in Knownlege
This article introduces the design dimensions of printed conductors and holes for pad ...
Do you know how to design the system ground?
On 2019-10-16 10:27:51 in Knownlege
This article describes the characteristics of the system ground. ...
What is a universal bridge?
On 2019-01-05 10:24:47 in Knownlege
This article introduces the universal bridge. ...
How to select and maintain fixed resistors?
On 2018-12-14 14:25:13 in Knownlege
This article describes how to select and maintain fixed resistors ...
New LDMOS transistor pair
On 2019-05-09 14:20:24 in Knownlege
This article briefly introduces a new LDMOS transistor pair ...
Oscilloscope basical principle
On 2019-04-09 11:33:42 in Knownlege
This article describes the oscilloscope basical principle ...
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? ...
Diode rectifier filter circuit
On 2018-12-13 15:23:19 in Knownlege
This article briefly introduces diode rectifier filter circuit ...
PCB design preparation
On 2018-12-13 10:56:47 in Knownlege
This article introduces the preparation of PCB design ...
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 ...
Multi-turn potentiometer and single-turn potentiometer
On 2018-12-10 11:01:32 in Knownlege
This article briefly introduces multi-turn potentiometer and single-turn potentiometer ...
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 calibrate the PH meter?
On 2019-05-16 11:46:07 in Knownlege
This article writes about methods of calibrate the PH meter ...
Memory VTT power supply circuit analysis.
On 2019-04-29 10:52:17 in Knownlege
This article describes the Memory VTT power supply circuit analysis. ...
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. ...
CPU power supply circuit structure.
On 2019-04-18 14:46:42 in Knownlege
This article describes the CPU power supply circuit structure. ...
Function of digital multimeter diode block.
On 2019-04-13 14:33:53 in Knownlege
This article briefly introduces the function of digital multimeter diode block. ...
Circuit diagram inspection
On 2019-03-19 15:33:37 in Knownlege
This article describes the circuit diagram inspection and software usage. ...
What are the main differences between Automobile Digital Multimeter and ordinary Digital Multimeter？
On 2019-02-27 11:07:48 in Knownlege
This article introduces the main differences between Automobile Digital Multimeter and ordinary Digital Multimeter. ...
What are the method of judging the probable fault position of the pointer multimeter?
On 2019-02-14 11:03:30 in Knownlege
This article briefly introduces the method of judging the probable fault position of the pointer multimeter ...
How to select a pointer multimeter?
On 2019-02-12 16:42:48 in Knownlege
This article describes the selection of pointer multimeter. ...
How to use a electronic constant temperature heat gun?
On 2019-01-28 13:41:57 in Knownlege
This article describes the use method of electronic constant temperature heat gun ...
What is the types and role of flux?
On 2019-01-27 15:02:59 in Knownlege
This article writes about the types and role of the flux ...
Light control automatic energy saving LED light circuit
On 2019-01-23 17:42:10 in Knownlege
This article writes about the light control automatic energy saving LED light circuit ...
What is the high temperature solid state reaction?
On 2019-01-15 16:02:50 in Knownlege
This article write about the high temperature solid state reaction? ...
What is the spectral properties?
On 2019-01-15 12:09:58 in Knownlege
This article describes the spectral properties. ...