According to the principle of action, relays can be divided into the following categories: 1. Solid state relay: A relay in which the input and output functions are performed by electronic components without mechanical moving parts. 2. Electromagnetic relay: A relay that generates a predetermined response from the relative motion of mechanical components. It includes …
Crystal diodes are semiconductor terminal devices in solid state electronic devices. The main feature is a nonlinear current-voltage characteristic. With the development of semiconductor materials and technology, different semiconductor materials, doping distribution and geometric structure are used to develop a variety of crystal diodes with various structures and different functional uses. Manufacturing materials are germanium, …
What is the shape of the electron? Shape is perfectly suitable for describing angular macroscopic objects. But technically, electrons don't have a shape. The electron is an elementary particle, which means it has no internal structure and can't be divided into smaller things, or the interior of the electron is unknown. Physicists also call electrons …
What shape is the electron? What's the radius, what's the spin? Read More »
The mention of power noise will strike a chord with many electronic engineers. What do we mean by power noise? Is it equivalent to power ripple? In fact, the power noise is different from the power ripple, which is a high-frequency component in addition to the ripple between the output terminals. The ripple is a …
Using the thyristor, can also achieve controllable full wave rectification, including single phase and three phase, today simply talk about the single phase full wave controllable circuit. The circuit diagram of single-phase controlled bridge rectifier is basically the same as that of single-phase bridge rectifier, except that the diodes on two of the bridge arms …
Single phase full wave controlled rectifier circuit Read More »
A diode is an electronic device made from semiconducting materials (silicon, selenium, germanium, etc.). It has unidirectional conductivity, that is, when a forward voltage is applied to the anode and cathode of the diode, the diode passes through. The cut-off date of a diode when a reverse voltage is applied to the anode and cathode. …
1. First of all, we should master the use of IC in the circuit, internal structure principle, main electrical characteristics, etc., and analyze the internal electrical schematic diagram when necessary. In addition, if each pin is to ground dc voltage, waveform and positive and negative dc resistance values, it provides more favorable conditions for pre-inspection …
In integrated circuit, where is the power IC chip judged? Read More »
L6566B is an extremely versatile current mode master controller IC designed for high performance off-line flyback converters. It is also suitable for single-stage single-switch input current shaping converters (single-stage PFC) for applications that should comply with en61000-3-2 or JeitA-MITI regulations. Support fixed frequency (FF) and quasi resonant (QR) operation. The user can choose either of …
Hangzhou Zhongxin unveiled a 12-inch monocrystalline silicon rod and wafer at a recent semiconductor industry event. It's hard to imagine the amount of cutting required to turn this 300kg mono-crystalline silicon rod into a 12-inch wafer-thin silicon wafer. The display of the product shows that Hangzhou Zhongxin Semiconductor Co., Ltd. has become the first company …
NVIDIA's next generation gaming line includes the GeForce RTX 4090, RTX 4080, and RTX 4070, which are expected to launch in Q3 and Q4 2022, according to previous sources. Recently, according to leaker Kopite7kimi, NVIDIA will launch the GeForce RTX 4090 first, followed by the GeForce RTX 4080 and RTX 4070. Now there are more …
NVIDIA RTX40 series of graphics cards launched in August Read More »
