How to synthesize phosphor?
On 2019-01-15 11:35:30 in Knownlege
This article briefly introduces three ways to synthesize phosphors ...
Need know about the working of a sweep-frequency generator
On 2018-12-20 11:32:53 in Knownlege
This article describes need know about the working of a sweep-frequency generator ...
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 ...
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 ...
How to explain the working principle of buffer network?
On 2021-12-24 10:56:44 in Knownlege
This article describes the characteristics of the capacitor. ...
What is tungsten-molybdate system?
On 2019-01-14 16:51:56 in Knownlege
This article describes the tungsten-molybdate system ...
What is the different of combustion method and Sol-Gel method?
On 2019-01-15 11:44:22 in Knownlege
This article writes about the different of combustion method and Sol-Gel method. ...
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 ...
Effect of Eu doping concentration on luminescence properties of phosphors
On 2019-01-11 14:27:00 in Knownlege
This article describes the effect of Eu doping concentration on luminescence properties of phosphors ...
What is the silicate system?
On 2019-01-15 11:07:23 in Knownlege
This article briefly introduces the silicate system ...
What are the Electronic configuration and Spectral characteristics of luminescent elements in thin crystals?
On 2019-01-12 14:50:34 in Knownlege
This article describes the Electronic configuration and Spectral characteristics of luminescent elements in thin crystals ...
What is the Nitride system?
On 2019-01-12 16:06:47 in Knownlege
This article describes the Nitride system ...
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 ...
What is the oscillation period of ATX power supply?
On 2019-03-22 11:44:31 in Knownlege
This article describes the oscillation period of ATX power supply. ...
What is the principle of patch miniature FM radio?
On 2019-01-12 13:42:13 in Knownlege
This article briefly introduces the principle of patch miniature FM radio. ...
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. ...
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 ...
Transformer and inverter
On 2018-12-05 11:07:52 in Knownlege
This article writes about the different roles of transformers and inverters. ...
What are the working principles of AM radio?
On 2019-01-11 11:08:24 in Knownlege
This article writes about the working principles of AM radio. ...
What should we pay attention to in anti-electromagnetic interference design?
On 2018-12-06 11:45:52 in Knownlege
This article writes about the anti-electromagnetic interference design ...
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. ...
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. ...
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 are the slots on computer motherboards?
On 2019-02-12 17:05:03 in Knownlege
This article introduces slots on computer motherboards ...
How to set parameters of the inverter?
On 2019-05-25 14:01:42 in Knownlege
This article describes how to set parameters of the inverter ...
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 ...
How to reduce errors in detecting AC voltages with using a pointer multimeter?
On 2019-02-12 17:11:15 in Knownlege
This article briefly introduces the methods for reducing errors in detecting AC voltages. ...
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. ...
How to choose a mechanical multimeter?
On 2019-01-27 15:14:01 in Knownlege
The article explores how to choose a mechanical multimeter. ...
Max Born Institute in Berlin: Ultra-short current surges through rectified light
On 2019-05-11 13:47:17 in Knownlege
This article introduces the Ultra-short current surges through rectified light ...
What is an Integrated Operational Amplifier?
On 2019-01-07 17:33:42 in Knownlege
This article describes the Integrated Operational Amplifier ...
The difference between resistance and impedance
On 2018-12-04 11:32:41 in Knownlege
This article describes the difference between resistance and impedance ...
Introduction of Audio Power Amplifier
On 2018-12-10 10:45:21 in Knownlege
This article describes the characteristics of Audio Power Amplifier ...
What are the problems in radio assembly?
On 2019-01-15 14:05:25 in Knownlege
This article describes the problems in radio assembly ...
The operating principle of Intel single-bridge H55 chipset motherboard boot circuit.
On 2019-04-27 15:27:46 in Knownlege
This article describes the operating principle of Intel single-bridge H55 chipset motherboard boot circuit. ...
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 ...
How to replace the transistor in application?
On 2018-10-27 11:03:32 in Knownlege
the principles that should be paid attention to when replacing transistors are as follows.A high limit parameter is used to replace the lower product body tube. ...
How much do you know about RS-422 and RS-485?
On 2022-03-08 10:43:00 in Knownlege
This article describes the characteristics of the RS-422 and RS-485. ...
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. ...
Oscilloscope basical principle
On 2019-04-09 11:33:42 in Knownlege
This article describes the oscilloscope basical principle ...