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 ...
What is a resistor?
On 2018-12-14 13:26:07 in Knownlege
This article describes what is a resistor ...
Resistor classification
On 2018-12-04 11:51:37 in Knownlege
This article describes the classification of resistors ...
Resistor classification
On 2018-12-13 13:30:42 in Knownlege
This article writes about the different kinds of resistor ...
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 ...
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 ...
What factors are related to the resistance of the resistor
On 2018-12-06 10:35:16 in Knownlege
This article briefly introduces main factors related to the resistance of the resistor ...
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. ...
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 ...
Computer motherboard resistance, capacitance
On 2018-12-08 11:11:23 in Knownlege
This article writes about the different roles of capacitors and resistors ...
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 ...
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 ...
How to judge whether there is a fault element according to the value of earth resistance？
On 2019-04-03 14:22:13 in Knownlege
This article describes the how to judge whether there is a fault element according to the value of earth resistor. ...
What are the methods of reducing the measurement error of the pointer multimeter?
On 2019-02-13 13:21:56 in Knownlege
This article introduces some methods of reducing the measurement error of the pointer multimeter ...
What is the role of the speakers in electro-acoustic devices?
On 2018-12-11 10:38:17 in Knownlege
This article describes the role of the speakers in electro-acoustic devices ...
What are the common reason of fault of the electromagnet?
On 2019-01-08 14:24:09 in Knownlege
This article introduces the common reason of fault of the electromagnet. ...
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 ...
What should you know before solder?
On 2019-01-12 13:20:48 in Knownlege
This article describes some konwnledge that you should know before solder. ...
What issues should pay attention to before using the multimeter?
On 2019-02-14 11:23:38 in Knownlege
This article introduces some issues should pay attention to before using the multimeter ...
Power in the ATX power supply
On 2019-04-08 16:09:09 in Knownlege
This article writes about the active power and reactive power in the ATX power supply ...
What is the role of the transformer?
On 2018-12-05 10:13:54 in Knownlege
This article describes the role of the transformer ...
What is the working principle of ISL6545 chip?
On 2019-04-25 10:59:37 in Knownlege
This article analyze the working principle of ISL6545 chip ...
How to use the clamp ammeter?
On 2018-12-29 14:18:45 in Knownlege
This article briefly introduces the use of clamp ammeter ...
How to use a universal bridge?
On 2019-01-05 11:33:24 in Knownlege
This article describes how to use a universal bridge ...
What is a universal bridge?
On 2019-01-05 10:24:47 in Knownlege
This article introduces the universal bridge. ...
What is the structure of a common mechanical multimeter?
On 2019-01-25 16:17:30 in Knownlege
This article writes about the structure of a common mechanical multimeter. ...
The Work Principle of Circuit Breakers
On 2018-12-29 10:47:09 in Knownlege
This article describes the work principle of circuit breakers ...
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 are the methods of handling problems encountered during using pointer multimeters?
On 2019-02-15 13:49:38 in Knownlege
This article introduces some methods of handling problems encountered during usingpointer multimeters ...
What is a four-way solenoid directional valve?
On 2019-01-05 13:53:56 in Knownlege
This article describes the role of the four-way solenoid directional valve ...
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 ...
Simple function generator circuit
On 2018-12-27 11:22:15 in Knownlege
This article describes the Simple function generator circuit ...
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 ...
Do you know how to design electromagnetic compatibility?
On 2019-08-23 15:57:39 in Knownlege
This article describes the characteristics of the electromagnetic compatibility. ...
What is an Integrated Operational Amplifier?
On 2019-01-07 17:33:42 in Knownlege
This article describes the Integrated Operational Amplifier ...
Common electric iron type and structure
On 2019-01-27 14:56:05 in Knownlege
This article describes the common electric iron type and structure ...
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 ...
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. ...
Photoelectric effect
On 2018-12-06 10:21:02 in Knownlege
This article briefly introduces the photoelectric effect ...