how to detect a varactor?
On 2018-10-26 17:08:18 in Memory
Because the positive resistance of the varactor diode is larger,the multimeter is placed in the RX 10k2 block,the red form is connected to the positive pole ...
What are the advantages of pic microcontroller?
On 2020-05-09 12:01:15 in IC Chips
This article describes the characteristics of pic microcontroller. ...
CPU power supply principle.
On 2019-11-16 10:37:22 in IC Chips
This article describes the characteristics of CPU power supply principle. ...
What are the symbols represent in circuit diagram?
On 2019-03-26 11:26:30 in Generally electronic component
This article introduces the symbols represent in circuit diagram ...
Integrated circuit
On 2019-01-04 14:50:02 in IC Chips
This article writes about the integrated circuit. ...
How to Identify True and Fake Electronic Components
On 2018-12-20 13:16:43 in Knownlege
This article introduces how to identify true and fake electronic components ...
Hand soldering precautions
On 2018-12-10 11:29:39 in Technology
This article briefly introduces several precautions for manual soldering. ...
What is a transistor?
On 2018-12-03 12:02:30 in Technology
This article describes the characteristics of transistor ...
The structure and properties of quartz crystal elements
On 2018-11-03 13:39:16 in Question
The quartz crystal element is composed of a quartz wafer,a wafer bracket and a case.The role of the quartz crystal element in the circuit is equivalent to a high Q value LC resonant element ...
Wave soldering technology is a mature electronic assembly process
On 2018-10-30 11:33:30 in Memory
the process is loading plate,coating flux,preheating,wave soldering,hot air knife treatment,cooling and unloading plate ...
How to design a LED lighting solution based on a high power?
On 2021-09-09 10:44:49 in Generally electronic semiconductor
This article describes the characteristics of the LED lighting. ...
What are the performance characteristics and functions of the six-input voltage monitor?
On 2021-07-03 10:55:15 in Transformer
This article describes the characteristics of the monitor. ...
How to detect resistors by a pointer multimeter?
On 2019-06-13 16:26:21 in Resistors
This article describes the method of detecting resistors by a pointer multimeter ...
What are the types of FPC connector？
On 2019-06-03 14:57:03 in Connector
This article introduce the types of FPC connector ...
How to judge the quality of a connector?
On 2019-05-24 13:07:43 in Connector
This article describes some methods to judge the quality of a connector. ...
nVIDIA chipset motherboard boot circuit.
On 2019-05-05 14:35:31 in IC Chips
This article writes about the nVIDIA chipset motherboard boot circuit. ...
Intel G41 chipset dual-core motherboard architecture.
On 2019-03-29 11:03:59 in IC Chips
This article writes about the Intel G41 chipset dual-core motherboard architecture. ...
What is gate circuit and how to judge it's good or bad?
On 2019-03-25 13:58:42 in IC Chips
This article describes the gate circuit and how to judge it's good or bad ...
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. ...
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 measure the MOS field effect transistor?
On 2018-12-21 14:50:02 in Generally electronic semiconductor
This article briefly introduces how to measure the MOS field effect transistor ...
Common causes of virtual welding
On 2018-12-05 10:59:23 in Technology
This article describes the common causes of virtual welding ...
Second,the package of the integrated circuit
On 2018-10-31 11:25:58 in IC Chips
An integrated circuit is a key indicator of whether an electronic product is advanced or not. ...
how to detect a bandstop transistor?
On 2018-10-27 11:10:04 in Generally electronic semiconductor
Because of the internal resistance,the high resistance gear should be measured during testing ...
what is an infrared receiver?
On 2018-10-26 16:53:35 in Memory
The infrared receiving tube is a semiconductor device used to receive the infrared light wave generated by the infrared light emitting diode and convert it into electrical signal. ...
What is the interconnection method of the PCB board?
On 2020-12-12 10:40:43 in IC Chips
This article describes the characteristics of the PCB board. ...
How to reduce noise and electromagnetic interference?
On 2019-12-09 10:57:28 in Capacitors
This article describes the characteristics of the electronic products. ...
How to detect the fixed resistors by multimeter?
On 2019-06-14 16:19:00 in Resistors
This article describes the method of detecting fixed resistors. ...
How to solve the actual running problem of most circuit boards?
On 2019-04-19 11:14:11 in Knownlege
This article briefly introduces the way to solve the actual running problem of most circuit boards ...
What is an infrared receiver?
On 2019-01-02 16:02:03 in Generally electronic semiconductor
This article describes the infrared receiver ...
Composition of printed circuit boards
On 2018-12-04 11:13:50 in Knownlege
This article describes the composition of printed circuit boards ...
Structure and characteristics
On 2018-11-01 16:47:41 in Memory
LED digital tube also known as semiconductor digital tube ( Figure 1-1-5 ),it is a number of light-emitting diodes arranged in a fixed pattern and packaged together the most commonly used digital display one of the devices ...
What is the patch connector in the wire-to-board connector?
On 2021-07-22 10:41:34 in Connector
This article describes the characteristics of the connector. ...
How to distinguish the types of circuits, and what are the layout rules for mixed digital and analog design?
On 2020-08-25 11:24:36 in IC Chips
This article describes the characteristics of the circuits. ...
L298N DC motor drive chip.
On 2020-05-05 10:28:09 in Generally electronic semiconductor
This article describes the characteristics of the L298N DC motor drive chip. ...
Do you know what are the precautions for using MOS tubes?
On 2019-12-11 10:38:46 in Discrete Semiconductor
This article describes the characteristics of the MOS tubes. ...
Design dimensions of printed conductors and holes for pad
On 2018-12-13 11:19:14 in Knownlege
This article introduces the design dimensions of printed conductors and holes for pad ...
Texas Instruments: What is an operational amplifier?
On 2021-04-02 11:19:09 in Generally electronic component
This article describes the characteristics of the amplifier. ...
What are the advantages of analog switches for special applications?
On 2020-03-12 09:26:37 in IC Chips
This article describes the characteristics of the analog switches. ...
What are the advantages of analog switches for special applications?
On 2020-01-13 10:43:25 in IC Chips
This article describes the characteristics of the analog switches. ...