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. ...
What is the working principle of water tank water level automatic controller ?
On 2019-01-23 17:14:25 in Knownlege
This article writes about the working principle of water tank water level automatic controller ...
Filter circuit
On 2019-01-04 13:28:12 in Knownlege
This article briefly introduces the filter circuit. ...
Diode rectifier filter circuit
On 2018-12-13 15:23:19 in Knownlege
This article briefly introduces diode rectifier filter circuit ...
What is a capacitance meter and how to use it?
On 2019-01-27 14:46:04 in Knownlege
This article writes about the capacitance meter and its use methods. ...
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 ...
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. ...
The computer heat sink
On 2018-12-10 13:18:45 in Knownlege
This article describes the features of computer heat sink ...
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 is an Integrated Operational Amplifier?
On 2019-01-07 17:33:42 in Knownlege
This article describes the Integrated Operational Amplifier ...
Oscilloscope basical principle
On 2019-04-09 11:33:42 in Knownlege
This article describes the oscilloscope basical principle ...
Robust Demand for Memory Chips
On 2018-12-26 10:30:31 in Knownlege
This article describes the Robust Demand for Memory Chips ...
What is a three-terminal integrated voltage regulator and how to classify?
On 2018-12-14 15:01:07 in Knownlege
This article describes the role of three-terminal integrated voltage regulator and how to classify ...
Self-resetting switch and self-locking switch
On 2018-12-10 13:40:04 in Knownlege
This article writes about the different roles of self-resetting switch and self-locking switch ...
What is the future of 5G and Wifi6?
On 2022-05-09 11:03:36 in Knownlege
This article describes the characteristics of the 5G and Wifi6. ...
What is a universal bridge?
On 2019-01-05 10:24:47 in Knownlege
This article introduces the universal bridge. ...
What is a field-effect transistor?
On 2018-12-13 14:34:17 in Knownlege
This article writes about the field-effect transistor ...
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 ...
What are the functions of the universal bridge instrument knobs and switches?
On 2019-01-27 14:53:54 in Knownlege
This article describes the functions of the universal bridge instrument knobs and switches . ...
The difference of tube and transistor.
On 2018-12-04 10:44:04 in Knownlege
This article describes the difference of tube and transistor ...
What is the insertion principle of plug-in electronic components?
On 2019-01-12 10:53:22 in Knownlege
This article briefly introduces the nsertion principle of plug-in electronic components ...
What is a circuit connector?
On 2018-12-08 13:51:01 in Knownlege
This article describes the role of circuit connector ...
Why does the computer's graphics card capacitor broken? Does it affect the operation of the computer?
On 2018-12-08 13:39:51 in Knownlege
This article briefly introduces why does the capacitor broken and its effects。 ...
The difference between graphics card cooler and CPU cooler
On 2018-12-06 10:51:09 in Knownlege
This article briefly introduces the difference between graphics card cooler and CPU cooler ...
Debug ST Stellar car controller
On 2019-05-09 14:21:01 in Knownlege
This article describes the debug ST Stellar car controller ...
Drawing board diagram of printed circuit board.
On 2019-01-14 17:25:00 in Knownlege
This article describes the drawing board diagram of printed circuit board. ...
Transistor roles, characteristics and states
On 2018-12-13 11:45:47 in Knownlege
This article describes of transistor roles, characteristics and states ...
Overview of how the motherboard works.
On 2019-03-21 11:05:54 in Knownlege
This article describes the overview of how the motherboard works ...
What are the characteristics of the smartphone?
On 2019-02-14 11:16:20 in Knownlege
This article briefly introduces the characteristics of the smartphone ...
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 ...
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 ...
What is the working principle of the infrared sensor?
On 2018-12-08 11:18:25 in Knownlege
This article describes the working principle of the infrared sensor . ...
Computer motherboard resistance, capacitance
On 2018-12-08 11:11:23 in Knownlege
This article writes about the different roles of capacitors and resistors ...
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 ...
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. ...
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 are the precautions when using a mechanical multimeter?
On 2019-01-27 15:03:50 in Knownlege
This article introduces some precautions when using a mechanical multimeter. ...
What is a triode and how to identify its pin?
On 2019-01-21 16:50:52 in Knownlege
This article describes what is a triode and how to identify its pin ...
How to use the clamp ammeter?
On 2018-12-29 14:18:45 in Knownlege
This article briefly introduces the use of clamp ammeter ...