What are the problems in radio assembly?
On 2019-01-15 14:05:25 in Knownlege
This article describes the problems in radio assembly ...
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 ...
How to check if the circuit is open with using a multimeter?
On 2019-02-20 11:00:54 in Knownlege
This article briefly introduces some mthods for checking if the circuit is open with using a multimeter. ...
What are the benefits of adding a temperature sensor to the circuit?
On 2019-05-20 13:13:53 in Knownlege
This article describes the benefits of adding a temperature sensor to the circuit ...
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. ...
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 is the relationship between the circuit structure and the logic function of the trigger?
On 2019-10-22 09:54:26 in Knownlege
This article describes the characteristics of the triggers. ...
What is the basic function of ATX power supply?
On 2019-03-20 11:40:51 in Knownlege
This article introduces the basic function of ATX power supply ...
How to select external connection mode of printed Circuit Board?
On 2019-01-15 11:19:29 in Knownlege
This article describes the selection of external connection mode of printed Circuit Board ...
What is the master-slave structure RS flip-flop and JK flip-flop circuit?
On 2019-08-08 11:19:18 in Knownlege
This article describes the characteristics of the RS flip-flop and JK triggers. ...
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 components of the wired mouse module and connector?
On 2019-01-14 17:44:21 in Knownlege
This article introduces some the components of the wired mouse module and connector ...
The operating principle of AMD single-bridge A55 chipset motherboard boot circuit.
On 2019-04-26 10:52:17 in Knownlege
This article describes the operating principle of AMD single-bridge A55 chipset motherboard boot circuit. ...
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 make a wireless music doorbell?
On 2019-04-20 13:27:35 in Knownlege
This article describes the production of wireless music doorbell ...
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. ...
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 ...
How the Intel H55 chipset motherboard works?
On 2019-04-18 13:57:22 in Knownlege
This article writes about the Intel H55 chipset motherboard ...
Integrate the clock generator into the microcontroller
On 2019-05-07 16:33:50 in Knownlege
Accurate clock signals are a prerequisite for reliable communication - whether by radio or by wire. With the ever-increasing demand for data transmission, the previous approach has reached its limit. ...
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 ...
Introduction to some electronic assembly tools.
On 2018-12-05 11:48:38 in Knownlege
This article briefly introduction to some electronic assembly tools ...
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 ...
How to synthesize phosphor?
On 2019-01-15 11:35:30 in Knownlege
This article briefly introduces three ways to synthesize phosphors ...
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? ...
How to choose a mechanical multimeter?
On 2019-01-27 15:14:01 in Knownlege
The article explores how to choose a mechanical multimeter. ...
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. ...
Classification of amplifiers and distinction between tubes and transistors
On 2018-12-08 11:52:44 in Knownlege
This article writes about the classification of amplifiers and different roles of tubes and transistors ...
What are the reference voltage points of ATX power supplies?
On 2019-04-15 14:08:24 in Knownlege
This article briefly introduces the the reference voltage points of ATX power supplies ...
Rated power rating and detection method of fixed resistance
On 2018-12-13 14:58:39 in Knownlege
This article briefly introduces rated power rating and detection method of fixed resistance ...
What is the Digital / analog multimeter?
On 2019-02-18 16:56:55 in Knownlege
This article describes two common digital / analog multimeter. ...
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. ...
How to recognize ATX Power supply and maintenance Instruments
On 2019-04-01 17:27:17 in Knownlege
This article describes the methods torecognize ATX Power supply and maintenance Instruments ...
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 ...
Transistor roles, characteristics and states
On 2018-12-13 11:45:47 in Knownlege
This article describes of transistor roles, characteristics and states ...
Oscilloscope basical principle
On 2019-04-09 11:33:42 in Knownlege
This article describes the oscilloscope basical principle ...
What is the ATX power?
On 2019-03-11 13:43:25 in Knownlege
This article briefly introduces the ATX power ...
The difference between sensor and sensor module
On 2018-12-06 11:33:39 in Knownlege
This article briefly introduces The difference between sensor and sensor module ...
What is the mechanism of pr3+ activation?
On 2019-01-11 11:53:16 in Knownlege
This article describes the mechanism of pr3+ activation. ...
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 a universal bridge?
On 2019-01-05 10:24:47 in Knownlege
This article introduces the universal bridge. ...