Double base diode,also known as single crystal transistor (UJT)is a three terminal semiconductor device with only one PN junction.the circuit symbol,internal structure and equivalent circuit of double base diode. ...

This article describes what is a gas sensor ...

This article describes the Optocoupler ...

This article describes the way to detect and replace the magnetron ...

This article briefly introduces how to measure the MOS field effect transistor ...

This article introduces the main parameters and identification of the potentiometer ...

​ This article describes the classification of resistors ...

Optocoupler is an electrical and photoelectric converter composed of LED and photosensitive transistors ...

This article briefly introduces the ways to use the digital multimeter's conductivity block ...

This article briefly introduces some ways to measure the transformer is good or bad ...

This article briefly introduces this article briefly introduces ...

This article describes the Method of detecting potentiometers ...

This article describes the method for detecting micro potentiometers. ...

​This article describes the repair and replace of the potentiometer ...

​ This article mainly describes how to detect diodes. ...

This article describes the characteristics of the eleal connectctricor. ...

This article describes the characteristics of the resistors. ...

This article introduces some types of common resistor ...

Photoresistor is a device made of semiconductor photoelectric effect principle.When the semiconductor is exposed to light ...

Average Current Type LED Buck Converters AP5126 is an efficient and cost-effective device designed for driving a wide range of LED based lighting systems. It has high efficiency, adjustable frequency, and temperature protection circuit. ...

FPGAs are integrated circuits with programmable logic blocks used to construct digital systems with varying levels of complexity that offer flexibility, scalability and cost-effectiveness. ...

LL4148 is an inexpensive, ultra-fast and efficient switching diode used in low-voltage, low-current applications with equivalent and substitute diodes. ...

This article describes the entire screen of the LED display shows abnormal faults and emergency solutions ...

This article briefly introduces the method of reducing the power consumption of wireless energy harvesting sensors when they work ...

This article describes the Intel single Bridge Motherboard bus Power supply ...

This article describes the operating principle of AMD single-bridge A55 chipset motherboard boot circuit. ...

This article describes the oscillation period of ATX power supply. ...

This article describes the spectral properties. ...

This article briefly introduces the principle of patch miniature FM radio. ...

This article writes about the low frequency power amplifier circuit ...

This article briefly introduces the use of clamp ammeter ...

This article briefly introduces surface wave filter and ceramic filter ...

This article describes how about criteria for selection of an oscillator ...

​ This article briefly introduces different type and function of time relay ...

​This article writes about the different types of power transformers. ...

This article describes how to measure a IGBT ...

This article briefly introduces the thermistor ...

This article introduces what is an optical coupler and how to measure it ...

This article writes about the different between mobile phone capacitance and inductance ...

This article describes the characteristics of the RFID ...