What is a negative temperature coefficient thermistor ( NTC )?
On 2018-12-14 14:37:37 in Generally electronic semiconductor
This article describes the features of negative temperature coefficient thermistor ( NTC ). ...
how to detect a dual base diode?
On 2018-10-26 17:10:47 in Memory
discriminant emitter E. When the multimeter is placed in the RX1k2 block and the positive and reverse resistance values between any two electrodes are equal (2~10k2) with two forms ...
How to share applications about controlling power-up and shutdown timing
On 2020-07-18 10:57:35 in IC Chips
This article describes the characteristics of the controlling power-up and shutdown timing. ...
What are the characteristics and parameters of the photosensitive resistor?
On 2019-01-08 15:44:42 in Generally electronic semiconductor
This article briefly introduces the characteristics and parameters of thephotosensitive resistor. ...
What is the working principle of the filter circuit?
On 2019-09-21 10:07:50 in Generally electronic semiconductor
This article describes the characteristics of the filter. ...
What is the role of the power tube?
On 2018-12-01 11:43:01 in Technology
This article describes the role of the power tube ...
What is the difference between triode and MOS control?
On 2021-06-29 10:47:02 in Discrete Semiconductor
This article describes the characteristics of the triode and MOS control. ...
How the PSON to power on the ATX and then output other dc outputs?
On 2019-03-16 13:48:08 in Technology
This article writes about the PSON to power on the ATX and then output other dc outputs? ...
How to test and repair the rectifier bridge?
On 2018-10-26 15:52:31 in IC Chips
Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...
What is the phase shift in the analog circuit?
On 2019-08-10 11:07:00 in Generally electronic component
This article describes the characteristics of the analog circuit. ...
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 ...
What are the characterictis and application notes of TTL circuit?
On 2019-01-11 15:07:35 in IC Chips
This article describes the characterictis and application notes of TTL circuit ...
How to identify and detect relays?
On 2018-12-20 14:13:55 in Relays
This article describes how to identify and detect relays ...
Resistor classification
On 2018-12-13 13:30:42 in Knownlege
This article writes about the different kinds of resistor ...
There are many kinds of resistor classification resistors
On 2018-10-31 10:53:37 in Resistors
With the development of electronic technology,the new type of resistor is also increasing ...
What are the methods for preventing the reverse connection of the MOS tube?
On 2019-08-07 10:30:11 in Generally electronic component
This article describes the characteristics of the MOS tube. ...
Microsemi offers radiation-tolerant FPGAs for high-speed signal processing applications
On 2019-07-25 11:17:58 in Generally electronic component
This article describes that Microsemi offers radiation-tolerant FPGAs for high-speed signal processing applications ...
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 high-power Darlington tube ( module )?
On 2018-10-27 11:25:32 in IC Chips
The high-power Darlington tube is internally connected with a protective device,and the internal structure of the high-power Darlington tube is shown in Figure ...
Diode rectifier filter circuit，Diode half wave rectifier circuit
On 2018-09-12 13:00:54 in Memory
Power plant to send 50 Hz AC, after long-distance transmission, to the user is still 50 Hz AC, it is usually sent to industrial users 380 V three-phase AC, to ordinary civil users 220V single-phase AC. ...
Diode rectifier filter circuit Diode half wave rectifier circuit
On 2018-08-28 17:36:03 in Relays
Therefore, bridge rectifier has been widely used.Diode half wave rectifier circuit ...
What is a sheet resistor?
On 2018-12-17 14:36:19 in Resistors
This article introduces what is a sheet resistor. ...
What is a resistor?
On 2018-12-14 13:26:07 in Knownlege
This article describes what is a resistor ...
What is the nature of resistor?
On 2019-01-19 16:35:21 in Resistors
This article briefly introduces the nature of resistor. ...
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. ...
How to set parameters of the inverter?
On 2019-05-25 14:01:42 in Knownlege
This article describes how to set parameters of the inverter ...
The difference between Metal film resistor and metal oxide film resistor.
On 2019-01-07 11:50:39 in Resistors
This article writes about the difference between Metal film resistor and metal oxide film resistor. ...
What are the characteristics of LED waterproof power supply?
On 2021-11-05 10:38:37 in Photoelectric
This article describes the characteristics of the power supply. ...
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 ...
Light control automatic energy saving LED light circuit
On 2019-01-23 17:42:10 in Knownlege
This article writes about the light control automatic energy saving LED light circuit ...
High voltage variable frequency control system based on FPGA technology
On 2023-03-16 12:07:29 in IC Chips
FPGAs enable efficient and reliable control systems in high-voltage applications, providing superior performance, reliability, cost-efficiency and protection against surges. ...
What are the advantages of industrial-grade wireless bridges？
On 2021-06-08 10:38:46 in Knownlege
This article describes the characteristics of the industrial-grade wireless bridges. ...
What is the basic structure of a circular connector?
On 2020-09-12 10:35:29 in IC Chips
This article describes the characteristics of the circular connector. ...
What is an AC Link Closed Loop Current Sensor?
On 2021-01-16 10:53:05 in Sensor
Description and function introduction of closed loop current 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
This article describes the characteristics of the transformers. ...
What is transistor?
On 2019-11-07 10:38:37 in Discrete Semiconductor
This article describes the characteristics of transistor. ...
what is a laser diode?
On 2018-12-28 14:17:40 in Generally electronic semiconductor
This article introduces the laser diode ...
What is the structure of a common mechanical multimeter?
On 2019-01-25 16:17:30 in Knownlege
This article writes about the structure of a common mechanical multimeter. ...
What is the logic gate circuit of digital electronic technology?
On 2019-09-18 09:51:05 in Generally electronic component
This article describes the characteristics of the logic gate circuit. ...
What are the power system voltage regulation methods and measures?
On 2019-08-08 11:52:11 in Technology
This article describes the characteristics of the voltage regulation. ...