How to detect the value of HEF with a multimeter?
On 2019-02-26 17:58:23 in Knownlege
This article briefly introduces the method of detecting HFE ...
What is the Digital / analog multimeter?
On 2019-02-18 16:56:55 in Knownlege
This article describes two common digital / analog multimeter. ...
Computer motherboard model introduction
On 2019-02-13 11:38:55 in Knownlege
This article introduces some computer motherboard model introduction ...
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 is an buzzer and speaker?
On 2019-01-21 16:58:01 in Generally electronic component
This article describes the buzzer and speaker. ...
What is an capacitor and how to distinguish the capacitance value?
On 2019-01-19 16:42:45 in Inductor
This article describes what is an capacitor and how to distinguish the capacitance value ...
The difference between different sensors
On 2019-01-15 12:16:47 in Sensor
This article writes about the different between diffrent sensors ...
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 different characteristics between Ceramic capacitor and single stone capacitor
On 2019-01-14 10:45:29 in Capacitors
This article describes the different characteristics between Ceramic capacitor and single stone capacitor. ...
What are the performance characteristics of glass glaze resistor and wirewound resistor?
On 2019-01-14 10:27:08 in Resistors
This article describes the performance characteristics of glass glaze resistor and wirewound resistor. ...
What is a multivibrator?
On 2019-01-08 16:54:51 in IC Chips
This article describes the multivibrator. ...
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 ...
Commonly used transformers
On 2019-01-04 13:57:57 in Transformer
This article describes some commonly used transformers ...
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 detect and replace the magnetron?
On 2018-12-28 16:05:11 in Generally electronic component
This article describes the way to detect and replace the magnetron ...
How to detect a flashing light emitting diode(BTS)?
On 2018-12-25 11:45:47 in Generally electronic semiconductor
This article briefly introduces how to detect a flashing light emitting diode(BTS) ...
What are the performance characteristics of the piezoelectric ceramic buzzer and how to detect it?
On 2018-12-25 10:39:23 in Generally electronic component
This article briefly introduces the performance characteristics and detection of the piezoelectric ceramic buzzer. ...
The Advantages of PCB Terminal Block
On 2018-12-24 17:42:01 in Generally electronic component
This article introduces the advantages of pcb terminal block ...
What is a piezomagnetic sensor and its role?
On 2018-12-21 13:56:32 in Sensor
This article describes the roles of piezomagnetic sensor ...
The main parameters and identification of the potentiometer
On 2018-12-20 13:38:20 in Generally electronic component
This article introduces the main parameters and identification of the potentiometer ...
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 ...
Household lighting switch
On 2018-12-11 14:08:05 in Technology
This article introduces some common household lighting switch ...
If the computer power supply is insufficient, will it cause the performance of the graphics card to drop?
On 2018-12-11 11:33:39 in Knownlege
The article explores the impact of computer power shortage on graphics performance and the choice of power supply. ...
The computer heat sink
On 2018-12-10 13:18:45 in Knownlege
This article describes the features of computer heat sink ...
Capacitor function
On 2018-12-10 10:40:15 in Capacitors
This article describes the role of capacitor ...
Diffenrent kinds of light sensor
On 2018-12-05 12:03:59 in Sensor
This article briefly introduces four kinds of light sensor ...
How to distinguish between shielded and unshielded?
On 2018-11-21 10:50:00 in Generally electronic semiconductor
The shielded inductor has a magnetic shielding structure on the outside, so it can be seen from the appearance that the coil winding must be an unshielded inductor, and the shielded inductor does not see the coil winding from the appearance. ...
Third, the detection of integrated circuits
On 2018-10-31 11:32:53 in Generally electronic semiconductor
on-line detection : measure the DC voltage of each foot of the integrated circuit, compare with the standard value, judge the quality of the integrated circuit. ...
The main characteristic of the diode is Danxian
On 2018-10-30 10:56:52 in Memory
It refers to the maximum positive current allowed to pass through the diode during long-term operation,which is related to PN junction area and external heat dissipation conditions. ...
What is a damped line output transistor?
On 2018-10-27 11:06:35 in Relays
The line output high power transistor with a damping transistor is a special tube in the output circuit of the television.Figure 6A shows the internal structure and equivalent circuit of the output transistor with damping line ...
how to detect and repair the photoelectric switch?
On 2018-10-27 10:40:06 in Memory
The detection method of the transmitting tube and the receiving tube is as follows. ...
How to detect fast recovery, ultrafast recovery diode?
On 2018-10-26 16:05:55 in Memory
The method of measuring fast recovery and ultrafast recovery diode with multimeter is basically the same as the method of detecting plastic sealed silicon rectifier diode. ...
Variable capacitance diode, step recovery diode, bidirectional trigger diode
On 2018-08-24 10:57:12 in Relays
It is usually used to trigger bidirectional thyristors, or to form an overvoltage protection circuit. ...
Bidirectional thyristor controlled contactor
On 2018-08-23 11:15:03 in Sensor
The bidirectional thyristor is made of N-P N-P N five layer semiconducting material, and also has three electrodes. ...
What is MEMS smart sensor technology like?
On 2023-08-29 18:10:02 in Sensor
This article describes the characteristics of the MEMS smart sensor. ...
What are the commonly used anti-jamming technologies for sensors?
On 2023-08-21 17:18:57 in Sensor
This article describes the characteristics of the sensors. ...
What are the FPGA radiation effects and their effects?
On 2023-08-12 13:26:57 in IC Chips
This article describes the characteristics of the FPGA radiation effects. ...
What is the role of wireless charging technology for electric vehicles？
On 2023-07-13 11:27:54 in Filter
This article describes the characteristics of the wireless charging technology. ...
What are the notebook video output interfaces?
On 2022-04-21 10:33:37 in Connector
This article describes the characteristics of the video output interfaces. ...
What is the principle of LED lighting technology?
On 2021-11-25 10:39:52 in Photoelectric
This article describes the characteristics of the LED lighting technology. ...