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 ...
IO chip and clock chip on the computer motherboard
On 2019-02-14 10:55:13 in IC Chips
This article writes about the IO chip and clock chip on the computer motherboard ...
How to reduce errors in detecting AC voltages with using a pointer multimeter?
On 2019-02-12 17:11:15 in Knownlege
This article briefly introduces the methods for reducing errors in detecting AC voltages. ...
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 inductor and how to distinguish the inductance value?
On 2019-01-21 10:47:08 in Inductor
This article describes what is an inductor and how to distinguish the inductance value ...
How to disassemble electronic component?
On 2019-01-15 10:39:49 in Knownlege
This article describes how to disassemble electronic component ...
How to disassemble electronic component?
On 2019-01-12 15:53:31 in Knownlege
This article describes how to disassemble electronic component ...
What is a display unit?
On 2019-01-11 14:38:25 in Photoelectric
This article briefly introduces the display unit ...
How to use the Multi-chip combination and Multiple quantum well recombination to manufacture the white LEDs?
On 2019-01-11 13:48:24 in Photoelectric
This article introduces how to use the Multi-chip combination and Multiple quantum well recombination to manufacture the white LEDs. ...
What are the basic categories classifications and power supply mode of integrated operational amplifier?
On 2019-01-09 13:49:41 in IC Chips
This article describes the basic categories classifications and power supply mode of integrated operational amplifier. ...
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 the characteristics of single layer coil inductor?
On 2019-01-08 14:41:30 in Inductor
This article describes the characteristics of single layer coil inductor ...
What are the Synthetic carbon film resistor and organic synthesis solid resistor ?
On 2019-01-08 10:34:37 in Resistors
This article writes about the Synthetic carbon film resistor and organic synthesis solid resistor. ...
What is the synthetic carbon film resistor and organic synthesis solid resistor?
On 2019-01-07 16:17:31 in Resistors
This article describes the synthetic carbon film resistor and organic synthesis solid resistor ...
What is a varactor and how to detect it?
On 2019-01-04 10:52:48 in Generally electronic semiconductor
This article describes the basic principles of the varactor and detection of varactor ...
Ceramic component
On 2019-01-02 16:28:23 in Generally electronic component
This article describes the ceramic component ...
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 ...
Can a Switching Power Supply Be Used as a Charger?
On 2018-12-26 17:13:50 in Generally electronic component
The article explores whether a switching power supply can be used as a charger ...
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 is a humidity sensitive resistor?
On 2018-12-25 10:55:13 in Resistors
This article describes about the characteristics and detection of the humidity sensitive resistor ...
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 ...
How to test and repair the rectifier bridge?
On 2018-12-17 14:45:30 in Generally electronic semiconductor
This article introduces some ways to test and repair the rectifier bridge ...
How to check the switch?
On 2018-12-15 14:43:25 in Generally electronic component
This article briefly introduces some ways to check the switch ...
What is an inductor character and its role?
On 2018-12-15 10:36:16 in Inductor
This article describes the role of the inductor. ...
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 ). ...
The computer heat sink
On 2018-12-10 13:18:45 in Knownlege
This article describes the features of computer heat sink ...
Display LCD and LED
On 2018-12-08 10:52:21 in Generally electronic semiconductor
This article writes about the different roles of display LCD and LED ...
Type and function of time relay
On 2018-12-08 10:45:33 in Knownlege
This article briefly introduces different type and function of time relay ...
What are the common types of power transformers?
On 2018-12-06 10:08:20 in Knownlege
This article writes about the different types of power transformers. ...
Diffenrent kinds of light sensor
On 2018-12-05 12:03:59 in Sensor
This article briefly introduces four kinds of light sensor ...
Transformer
On 2018-12-04 10:31:30 in Technology
This article describes the basic principles of the transformer ...
What is an inductor and how to name the inductor?
On 2018-12-01 10:15:15 in Inductor
This article describes What is an inductor and how to name the inductor。 ...
XC3S50AN-5TQG144C IC FPGA 108 I/O 144TQFP Xilinx Inc.
On 2018-11-28 11:37:05 in IC Chips
Here are some information about the XC3S50AN-5TQG144C IC FPGA 108 I/O 144TQFP Xilinx Inc. product, which will give you a preliminary understanding of this product. If you are interested, you can visit our website for further information or contact us. ...
how to detect a photosensitive transistor?
On 2018-10-27 11:13:49 in Memory
the pin of the pin identifies the pin arrangement of the photosensitive transistor as shown in Figure 6-8,the foot near the pin or the longer one is the emitter E,and the far or shorter foot of the foot is the collector C ...
how to detect the LED emission tube?
On 2018-10-26 16:31:21 in Memory
The use of multimeter to detect LED luminous platoon is mainly to check whether the LEDs are good ...
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 a diode? What are the features?
On 2018-10-26 15:47:07 in Generally electronic semiconductor
The second plate has a unidirectional conductivity, allowing only the current to flow from the positive to the negative ...
What are the RS-422 and RS-485 serial interface standards?
On 2022-02-24 11:00:56 in Connector
This article describes the characteristics of the RS-422 and RS-485 serial interface. ...
What is the matching method of RS-422 and RS-485 transmission lines?
On 2021-12-30 10:59:47 in Connector
This article describes the characteristics of the RS-422 and RS-485 transmission lines. ...