What are the common faults of the digital multimeter and how to fix it after the fault?
On 2019-01-27 15:09:34 in Technology
How to use an internal heat type soldering iron?
On 2019-01-27 15:07:11 in Technology
What is the definition and classification of luminescence?
On 2019-01-15 15:05:43 in Knownlege
Design requirements for printed circuit boards
On 2019-01-12 11:32:47 in Knownlege
Analysis of bad welding quality and countermeasures
On 2019-01-11 13:13:15 in Technology
What is the characteristic and classification of Digital Logic Gate Circuit?
On 2019-01-09 15:20:34 in IC Chips
What is included in the whole machine inspection?
On 2019-01-07 11:07:09 in Knownlege
What is a photosensitive diode?
On 2018-12-29 14:09:47 in Photoelectric
What is the structure and main parameters of the electromagnetic relay?
On 2018-12-18 15:17:36 in Relays
What is a FET?
On 2018-12-18 14:14:09 in Generally electronic semiconductor
Loudspeaker
On 2018-12-15 14:54:45 in Generally electronic component
Common socket and its function
On 2018-12-14 15:23:26 in Generally electronic component
Identification and detection of semiconductor triode.
On 2018-12-14 13:40:36 in Generally electronic semiconductor
What is a positive temperature coefficient thermistor?
On 2018-12-14 13:13:50 in Knownlege
This article describes the parameters and measurement of the positive temperature coefficient thermistor ...
LED digital tube
On 2018-12-13 14:17:22 in Generally electronic semiconductor
Debugging and Assembly of patch miniature FM Radio
On 2018-12-11 14:03:30 in Knownlege
Type of electronic tube
On 2018-12-03 11:50:39 in Technology
The types and characteristics of solder wave crests
On 2018-10-30 11:38:53 in Relays
let the solder joints get reliable wetting;the stationary tin wave at the rear is perfect for further trimming the solder joints that have been wettable but irregular in shape ...
What is a Schottky diode? How to detect?
On 2018-10-26 15:54:21 in Relays
Schottky diode is a low-power, high-current,ultra-high-speed semiconductor device, reverse recovery time trr can be small to a few nanoseconds ...
If there is no same type of pipe in use, how to replace it?
On 2018-10-26 15:50:14 in Relays
Diodes are generally not good repair, damage can only be replaced. In selecting diodes, we should pay attention to the following principles. ...
Diode and transistor detection
On 2018-08-22 12:31:42 in Relays
In identifying and detecting common components, the resistance is the forward resistance of the diode. ...
How does an infrared proximity sensor work?
On 2020-11-18 11:26:50 in Sensor
How does an infrared proximity sensor work?
On 2020-06-23 14:34:56 in IC Chips
How does an infrared proximity sensor work?
On 2020-06-19 10:57:14 in Generally electronic semiconductor
How to use filters to solve the problem of electromagnetic interference?
On 2021-04-06 10:47:23 in Generally electronic component
Texas Instruments: What is an operational amplifier?
On 2021-04-02 11:19:09 in Generally electronic component
How to deal with EMI and EMC in high frequency?
On 2021-04-01 10:38:22 in Generally electronic component
What is the application principle of open-ended Hall current sensors in power distribution systems?
On 2020-11-17 11:34:15 in Sensor
What are the applications of small current transformers based on the principle of zero magnetic flux in power systems?
On 2020-11-14 11:43:03 in Sensor
EMI and ESD noise suppression design solutions based on LCD or camera?
On 2020-10-20 11:13:47 in IC Chips
What are the semiconductor materials used in RF microwave power transistors?
On 2020-01-14 10:46:34 in IC Chips
How to test the electromagnetic compatibility of the excitation switching power supply circuit?
On 2019-12-05 10:32:19 in IC Chips
How does the D trigger circuit change to SR type, JK type and T type?
On 2019-09-27 10:24:30 in Technology
What are the key factors for digital power to replace analog power?
On 2021-03-27 10:54:46 in Generally electronic semiconductor
What is the relevant knowledge of sensors?
On 2021-02-22 10:33:42 in Sensor
How to protect outdoor cameras from extreme weather with temperature switches?
On 2021-01-20 10:45:23 in IC Chips
This article describes whether the temperature switch will be affected by changes in the environment. ...
What are the types of gas sensors?
On 2020-11-13 10:58:12 in Sensor
Will the mechanical hard drive terminator be a QLC SSD?
On 2020-09-21 11:06:51 in IC Chips
In order to achieve satisfactory TV results, how to select and use DLP splicing screens?
On 2020-09-02 10:22:03 in Generally electronic component
How to solve the malfunction of LED display?
On 2020-08-03 11:13:45 in IC Chips