How to judge the positive and negative of the primary battery?
On 2019-07-31 11:31:41 in Transformer
FPGA overall structure
On 2019-07-19 11:03:18 in Generally electronic component
Connectors are the most indispensable part of electronics
On 2019-07-12 13:42:51 in Connector
What are the methods for detecting DC resistance with using multimeter?
On 2019-02-18 16:59:48 in Knownlege
How to distinguish common diodes?
On 2019-01-19 16:38:32 in Generally electronic semiconductor
What parts are the small DC motors made up of and how its steady speed?
On 2019-01-02 17:44:05 in Knownlege
How to detect quartz crystals and make emergency repairs?
On 2018-12-28 15:51:07 in Generally electronic component
Some types of transformers.
On 2018-12-27 14:49:22 in Transformer
What is a reed pipe and dry reed relay and how to detect them?
On 2018-12-27 13:51:03 in Relays
What is IGBT (insulated gate bipolar transistor)?
On 2018-12-27 11:47:29 in Generally electronic semiconductor
What Kind of Sensors Are Needed in Smart Agriculture?
On 2018-12-26 11:04:59 in Sensor
What are the performance characteristics of headphones and earplugs and how to detect them?
On 2018-12-21 10:48:38 in Generally electronic component
This article briefly introduces the performance characteristics and detection of headphones and earplugs ...
What is a FET?
On 2018-12-18 14:14:09 in Generally electronic semiconductor
What is the difference between a two-stage switch and a single-stage switch?
On 2018-12-10 13:28:38 in Knownlege
The difference between diode and resistor
On 2018-12-08 11:39:22 in Knownlege
Two,bi-directional thyristor
On 2018-10-31 11:22:11 in Generally electronic semiconductor
Bidirectional thyristor is a new semiconductor device developed on the basis of unidirectional thyristor ...
What is a BTG thyristor?
On 2018-10-29 15:06:32 in Generally electronic semiconductor
The BTG thyristor is a special semiconductor device.The utility model can be used as a thyristor and can be used as a single junction transistor ( double base diode ) ...
Transistor FET
On 2018-08-24 11:08:36 in Relays
The appearance of the public field effect transistor is shown in Fig.First, the classification of FET. ...
Main parameters of inductors
On 2018-08-22 12:34:29 in Relays
The main parameters of inductors include inductance, permissible deviation, quality factor, sectional capacitance and rated current. ...
Identification and detection of active resistance elements
On 2018-08-22 11:08:45 in Relays
What are the classifications of connectors commonly used in life?
On 2019-07-13 11:39:53 in Connector
What is the insertion principle of plug-in electronic components?
On 2019-01-12 10:53:22 in Knownlege
Double wave soldering process.
On 2019-01-05 11:51:57 in Knownlege
The main role of the potentiometer?
On 2018-12-11 13:20:38 in Knownlege
What factors are related to the resistance of the resistor
On 2018-12-06 10:35:16 in Knownlege
How to judge whether the capacitor is good?
On 2018-12-05 10:43:01 in Technology
The main performance advantage of LDC1000 is the number?
On 2023-07-11 15:15:07 in IC Chips
What are the applications of door magnetic sensors in access control systems?
On 2021-01-23 11:02:53 in Sensor
What kinds of electromagnetic compatibility tests are there?
On 2019-10-09 13:25:56 in Generally electronic component
What are capacitance charging and discharge?
On 2019-08-21 10:54:46 in Capacitors
How do filter capacitors and common mode inductors eliminate electromagnetic interference?
On 2019-08-12 10:30:07 in Capacitors
What are the application examples of electromagnetic compatibility technology?
On 2019-08-06 11:11:49 in Technology
I/O connectors for different purposes
On 2019-07-02 16:20:03 in Connector
How to identify and detect relays?
On 2018-12-20 14:13:55 in Relays
What is a variable capacitor and how to detect and repair it?
On 2018-12-17 13:45:02 in Capacitors
What are the main parameters and types of LEDs and how to detect LED?
On 2018-12-14 13:55:28 in Photoelectric
Basic operation steps of manual welding
On 2018-12-11 13:39:56 in Technology
Basic operation steps of manual welding
On 2018-12-04 10:23:27 in Knownlege
Headphones and piezoceramic buzzers
On 2018-11-03 15:17:06 in Memory
Headset is also an electro-acoustic conversion device,which is similar in structure to an electric speaker,it is also composed of magnet,voice coil,vibrating diaphragm, etc,but the voice coil of the earphone is mostly fixed ...
The main parameters of LED
On 2018-10-31 11:11:54 in Memory
The main parameters of LED include the maximum working current Im and the maximum reverse voltage Um ...