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 ...
Is the LED display a liquid crystal display?
On 2018-12-04 11:19:23 in Knownlege
This article briefly introduces the display liquid crystal display ...
What is the Nitride system?
On 2019-01-12 16:06:47 in Knownlege
This article describes the Nitride system ...
What is tungsten-molybdate system?
On 2019-01-14 16:51:56 in Knownlege
This article describes the tungsten-molybdate system ...
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 is the silicate system?
On 2019-01-15 11:07:23 in Knownlege
This article briefly introduces the silicate system ...
What are the application of transistor?
On 2019-03-01 11:30:25 in Knownlege
This article writes about the transistor application. ...
What is the mechanism of pr3+ activation?
On 2019-01-11 11:53:16 in Knownlege
This article describes the mechanism of pr3+ activation. ...
What is a differential pair?
On 2018-10-27 11:20:00 in Knownlege
A differential pair of tubes is also called a pair of tubes or a differential pair of tubes. ...
What are the luminescent Properties of LaInO3:Eu Phosphors?
On 2019-01-12 11:15:53 in Knownlege
This article describes the Luminescent Properties of LaInO3:Eu Phosphors ...
What is the Titanate system?
On 2019-01-14 17:51:29 in Knownlege
This article writes about the Titanate system. ...
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 ...
DS05- 7B (seven tube) superheterodyne radio debugging
On 2019-01-14 17:26:09 in Knownlege
This article writes about the DS05- 7B (seven tube) superheterodyne radio debugging ...
What is excitation spectra?
On 2019-01-11 13:21:32 in Knownlege
This article briefly introduces the principle of excitation spectra ...
Transistor roles, characteristics and states
On 2018-12-13 11:45:47 in Knownlege
This article describes of transistor roles, characteristics and states ...
What is the working principle of the bias circuit in the triode amplifier circuit?
On 2019-10-17 10:02:01 in Knownlege
This article describes the characteristics of the triode amplifier. ...
How to make a wireless music doorbell?
On 2019-04-20 13:27:35 in Knownlege
This article describes the production of wireless music doorbell ...
How to measure the AXTpower?
On 2019-03-12 14:26:30 in Knownlege
This article describes the method to measure the AXTpower ...
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 ...
Special points and working principles of Wireless remote Control doorbell
On 2018-12-08 11:05:47 in Knownlege
This article writes about special points and working principles of Wireless remote Control doorbell ...
LEDVANCE announces that it will close a factory in the US
On 2019-05-15 13:21:34 in Knownlege
This article describes that LEDVANCE will close a factory in the US ...
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. ...
The Development Trends of Electronic Components Industry
On 2018-12-18 13:32:59 in Knownlege
This article describes the development trends of electronic components industry ...
What is the basic principle of phosphor luminescence?
On 2019-01-11 11:26:04 in Knownlege
This article describes the basic principle of phosphor luminescence. ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
How to detect a diode with using a digital multimeter?
On 2019-02-15 14:09:05 in Knownlege
This article briefly introduces how to detect a diode with using a digital multimeter ...
What is low frequency power amplifier circuit?
On 2019-01-07 14:27:17 in Knownlege
This article writes about the low frequency power amplifier circuit ...
Main cell phone sensor
On 2018-12-06 10:44:40 in Knownlege
This article describes the role of different mobile phone sensors. ...
Universal Panel Meter is configurable for measurement, display or control
On 2018-12-18 13:16:25 in Knownlege
This article writes about universal panel meter is configurable for measurement, display or control ...
Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens
On 2019-04-16 11:29:12 in Knownlege
This article briefly introduces the discrimination on the pseudo-concept of "reverse earth resistor value” and modification of multimeter pens ...
The Ground in ATX Power Supply
On 2019-04-12 13:11:17 in Knownlege
This article briefly introduces the Ground in ATX Power Supply ...
Relationship between luminescent Properties of laino3 xsm Phosphors and concentration of SM
On 2019-01-14 10:56:40 in Knownlege
This article describes the relationship between luminescent Properties of laino3 xsm Phosphors and concentration of SM ...
How to use the OTC700 series automobile digital multimeter to text the rotation speed and duty?
On 2019-04-24 11:39:47 in Knownlege
This article describes the use of OTC700 series automobile digital multimeter to text the rotation speed and duty ...
What are the methods for detecting DC resistance with using multimeter?
On 2019-02-18 16:59:48 in Knownlege
This article describes some methods for detecting DC resistance with using multimeter ...
Photoelectric effect
On 2018-12-06 10:21:02 in Knownlege
This article briefly introduces the photoelectric effect ...
When using resistance and line on-off test mode of the automotive digital multimeter.
On 2019-04-22 14:33:41 in Knownlege
This article write about when using resistance and line on-off test mode of the automotive digital multimeter.The correct method of choosing gear and connecting detection line is adopted. ...
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 ...
What is the working principle of a gas-fired heat gun?
On 2019-01-27 15:01:50 in Knownlege
This article briefly introduces the working principle of a gas-fired heat gun. ...
How to choose the switch of the mechanical multimeter when measuring different parameters?
On 2019-01-27 14:57:27 in Knownlege
This article describes how to choose the switch of the mechanical multimeter when measuring different parameters ...
What is the Digital / analog multimeter?
On 2019-02-18 16:56:55 in Knownlege
This article describes two common digital / analog multimeter. ...