Entries from 2019-01-09 to 1 day
1.現在の増幅率ベータ電流増幅率は電流増幅率であり、トランジスタの増幅力を示すために使用されます。トライオードの動作状態に応じて、現在の増幅率はDC増幅率とAC増幅率に分けられます。DC増幅率は、静的信号が送信されていないときのコレクター電流Icと…
XC3S1400A-5FGG484C XC3S1400A-5FGG484C ALLICDATA ELECTRONICS LIMITED is a component supplier composed of professional electronic technicians. We are specialized in selling electronic components such as integrated circuits, diodes, thyristor…
The failure of the timer usually occurs on the reed and the contact point. Due to the frequent contact of the contacts of the timer, the contact instantaneous current is very large, and the contact often occurs oxidation, corrosion and oth…
( 1 ) Characteristics of digital circuit digital logic gate circuit referred to as digital circuit, which has the following characteristics : 1 ) strict logic. 2 ) Strict timing. 3 ) There are only two logical levels ( or pulses ). 4 ) The…
Humidity sensitive resistors mainly include lithium chloride humidity sensitive resistor, carbon humidity sensitive resistor and oxide humidity sensitive resistor. It is composed of humidity sensitive layer, electrode and insulator. Its se…
( 1 ) Working frequency Transformer core loss has a great relationship with frequency, so it should be designed and used according to the frequency, this frequency is called the operating frequency. ( 2 ) Under specified frequency and volt…
White LED has a place in the field of lighting, but in order to replace the traditional lighting equipment, the related technologies need to be improved. In view of the current challenges faced by white-light LED, its development trends ca…
A photoresistor is a type of special resistor that changes resistance with light. Detection method of the photosensitive resistor: 1). Use a piece of black paper to cover the transmittance window of the photosensitive resistor. At this tim…
Cell phone sensorCell phone sensors can also identify which sensors the phone hardware supports and provide sensing tools that play an important role in our daily lives. The distance sensor consists of an infrared LED light and an infrared…
