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Oxide film resistor and winding resistor are two common resistance devices in electronic circuits. Next, I will introduce the characteristics working principle And its application in electronic circuits. Characteristics of oxide film resistance: 1 The oxide film resistor is a metal film resistor, which is usually covered by a metal film (such as chromium copper alloy) on a ceramic or glass substrate, and forms an oxide film on the surface. 2. The oxide film resistance has high precision and stability, and the temperature coefficient is relatively small, and the precision can generally reach 1%. 3. It has good high temperature resistance and corrosion resistance. 4. It is applicable to circuits with higher frequency. 工...
Date: 13:42 yesterday Reading: 827
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Numerical controlled oscillator is a kind of equipment that can generate high-frequency oscillation signals, which is often used in the fields of vibration testing, excitation and control in industrial production. The following are the structural features of the NC oscillator working principle Detailed introduction of main functions, applications and challenges. 1、 Structural features: 1. Oscillating circuit: the CNC oscillator generally adopts LC oscillation circuit, which is composed of inductance and capacitance, and can generate stable high-frequency oscillation signal. 2. Control system: The numerical control oscillator has a microprocessor control system, which can realize automatic control and adjust oscillation frequency, amplitude and other parameters. 3. Drive device: the numerical control oscillator adopts a motor drive device, which can provide sufficient power output. 4. Housing and
Date: June 7, 2024 Reading: 825
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Zener Diode, also called zener diode, is a semiconductor device that can work stably under a specific voltage. It was invented by American physicist Claron Zener, hence its name. Zener diodes are widely used in voltage regulation, voltage reference, overvoltage protection and other fields. working principle Zener diode working principle Based on its reverse breakdown characteristics. When zener diode is biased forward, it shows similar characteristics to ordinary diode, that is, it turns on under forward voltage, and the current increases with the increase of voltage. However, when the zener diode is reverse biased, if the reverse voltage is lower than its breakdown voltage, ADSP-2115KS -
Date: May 31, 2024 Reading: 823
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Wheel Speed Sensor plays a vital role in modern vehicles. It is mainly used to monitor the speed of wheels. It is one of the core components of multiple safety systems such as Anti lock Brake System (ABS), Electronic Stability Control (ESC) and Traction Control System (TCS). When the wheel speed sensor fails, it will not only affect the normal operation of these systems, but also may affect the overall safety performance of the vehicle. This article will discuss in detail the working principle Common faults and solutions. 1. Wheel speed sensor working principle 1.1 Basic concept The wheel speed sensor detects the speed of the wheel and
Date: May 29, 2024 Reading: 822
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PNP transistor is a three terminal semiconductor device with two PN junctions. Its main feature is that the current direction between its base (B) and collector (C) is opposite to that between emitter (E) and base. In PNP transistor, the current from emitter to base is controlled by the current from base to emitter. 1、 PNP transistor working principle PNP transistor working principle It can be explained by the movement of its internal carriers. When the base emitter voltage (VBE) of the PNP transistor is positive, the holes in the base will flow to the base, and the electrons in the base will flow to the emitter. These electrons form a current between the base area and the collector area, that is
Date: May 23, 2024 Reading: 821
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In modern industries, accurate weight measurement is a vital task. From industrial manufacturing to medical detection, and then to electronic products in daily life, load cell (also called load sensor) is the core equipment to achieve this key task. Among various load cells, SBA (Strain Based Accelerometer) load cells are widely used in many fields due to their high accuracy and reliability. This article will analyze the SBA load cell's working principle , structure, application and future development prospects. 1： Basic concept of load cell 1.1 What is a load cell
Date: May 23, 2024 Reading: 821
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As a traditional and commonly used electronic component, electrolytic capacitor plays an indispensable role in various electronic devices. It not only has excellent performance in filtering, coupling, decoupling and energy storage, but also is widely used in many different fields due to its large capacity and high energy density. This article will discuss the working principle , characteristics and its role in various application fields. 1. Basic Principles of Electrolytic Capacitance 1.1 Basic Knowledge of Capacitance Capacitance is a kind of element that can store charge, and it is composed of two conductors (electrodes) and the dielectric between them. When the voltage is applied to the electrode, the charge accumulates on the electrode surface, forming an electric field and storing energy. 1.2 Electrolysis
Date: May 22, 2024 Reading: 821
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Absolute encoder is a kind of sensor widely used in automatic control system, which is used to measure rotating position and angular displacement. It works by measuring the rotation angle of the input shaft and converting it into a digital signal. Compared with incremental encoders, absolute encoders do not lose position information when the power supply is disconnected, so they are often used in harsh environments or applications requiring long-term continuous operation. （1） Structural absolute value encoder is a device that converts angular displacement or linear displacement into electrical signals. It consists of code disk, photoelectric conversion element and electronic processing circuit. The code disk is the core part of the absolute value encoder, usually made of glass or metal, engraved with light transmission and
Date: May 21, 2024 Reading: 820
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Magnetostrictive displacement sensor is a kind of precision measurement equipment based on magnetostrictive effect, which is used to measure displacement and position changes. Its high precision, high resolution and good environmental adaptability make it widely used in industrial automation, engineering machinery, aerospace and other fields. This paper will introduce the magnetostrictive displacement sensor working principle Structure composition, technical characteristics and application. 1、 Introduction to Magnetostriction Effect Magnetostriction Effect refers to the phenomenon that some ferromagnetic materials will undergo mechanical deformation under the action of magnetic field. Specifically, when a magnetic field is applied to a magnetostrictive material, the magnetic domains in the material will rearrange
Date: May 17, 2024 Reading: 819
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The cable displacement sensor is a sensor commonly used to measure linear displacement. The length of the measured object can be calculated by measuring the moving distance of the cable or pull rod connected by the sensor. The cable displacement sensor's working principle Structural characteristics, application fields and calculation methods of length: 1 working principle : - The cable displacement sensor usually consists of the CDC 341DW sensor body, cable (or pull rod), measuring device and interface- When the measured object moves, the pull wire (or pull rod) will also move. The pull wire displacement sensor determines the linear displacement of the measured position by detecting the movement state of the pull wire- The sensor moves the cable
Date: May 13, 2024 Reading: 817
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DC resistance measuring instrument is an instrument used to measure the resistance value. It can measure the resistance of resistance elements or circuits very accurately. In electronic circuits, resistance is one of the most basic components, so accurate measurement of resistance is very important for circuit design, testing and maintenance. For the measurement of CY7C261-55WC parallel resistance, special attention should be paid to the circuit connection mode and measurement skills. DC resistance measuring instrument working principle The DC resistance measuring instrument usually adopts the following basic principles: 1. Ohm's law uses Ohm's law (V=IR) to calculate the resistance value by measuring the voltage at both ends of the resistance and the current flowing through the resistance. 2....
Date: May 6, 2024 Reading: 815
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Zener diode (also known as Zener diode) is a special type of diode, which can maintain a nearly constant voltage at both ends, even if the input voltage or load current changes. This characteristic makes the zener diode very useful in circuit design, especially for providing a stable voltage source. Next, we will discuss the working principle , structure and application. 1. Basic structure and working principle The basic structure of the zener diode is similar to that of the CJ78M08 ordinary diode, which is a PN junction composed of P-type semiconductor and N-type semiconductor. However, the doping degree of zener diode is high, which leads to its behavior under reverse bias is very different from that of ordinary diode
Date: April 11, 2024 Reading: 809
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A sensor is a device that can sense and measure a specific physical quantity and convert it into a signal that can be recorded, processed, displayed or responded. Sensors play a vital role in modern science and technology and engineering, and are widely used in various industries and fields, such as industrial production, environmental monitoring, medical diagnosis, unmanned systems, smart home, etc. The sensor is based on its working principle Different from the perceived physical quantity, it can be divided into many types, such as DP83840VCE optical sensor, pressure sensor, temperature sensor, humidity sensor, acceleration sensor, current sensor, etc. Different types of sensors have different working characteristics and applicable scenarios. The basic components of the sensor
Date: April 9, 2024 Reading: 809
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The voltage comparator is a widely used circuit component, which is used to compare two voltages and output a certain level signal according to the comparison results. Voltage comparators play an important role in electronic circuit design, especially in the interface between analog and digital circuits, BSM150GB60DLC timers, threshold detection and other application scenarios. Work area and working principle The core of the voltage comparator is the operational amplifier (Op Amp), which works without or with little negative feedback. The two input terminals of the operational amplifier are non inverting input terminal (+) and inverting input terminal (-). Voltage comparator working principle Is to set the two input voltages V+(not
Date: April 1, 2024 Reading: 807
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Electrolytic capacitor is a kind of capacitor that uses electrolyte as the medium between plates. It has high capacity density and relatively high working voltage, and is often used in circuits that need to store a large number of charges or stable voltage. The following is detailed information about the composition, characteristics, principle, classification, operating procedures and development trend of CY7C264-45WC electrolytic capacitor: 1 Composition: The electrolytic capacitor is composed of two metal plates (usually aluminum foil), electrolyte (usually liquid or solid electrolyte solution) and insulation layer (usually paper or polyethylene film) between the two plates. 2. Features: - High capacity density: electrolytic capacitor can be stored in a relatively small volume
Date: March 15, 2024 Reading: 1047
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Sound sensor is a device that can sense and measure sound signals. It usually consists of sensor elements and signal processing circuits used to detect sound. Sound sensors are widely used in various fields, such as industrial control, automobile, communication, safety monitoring, consumer electronics, etc. CAT93C46VI-GT3 sound sensor is mainly classified according to its working principle , frequency range and application scenarios. The following are some common sound sensors: 1 Capacitive sensor: use the small deformation caused by acoustic vibration to change the capacitance to achieve sound capture and measurement. It has simple structure and good high frequency response performance, and is widely used in microphone, telephone and other applications
Date: 2024-1-18 Reading: 1668
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Commutator is a device used to change the current direction of AC power supply in power system. It can convert the positive current of AC power supply into negative current, or convert the negative current into positive current. EPF8452ATC100-4 commutator plays an important role in power system, especially in the conversion between DC transmission and AC transmission. 1、 Basic structure: the basic structure of the commutator includes the main switch, reversing switch, filter inductance, filter capacitor, reversing reactor, reversing transformer, etc. The main switch is used to control the switching direction of the current, and the reversing switch is used to control the reversing operation of the current. The filter inductance and filter capacitor are used to filter out the harmonics in the current
Date: 2024-1-12 Reading: 1619
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Voltage relay is a common electrical control device, which can control and switch the voltage in the circuit. It controls the BTS7700G relay coil in the circuit to realize the closing and opening of the switch circuit, so as to control the voltage. The structure, characteristics working principle , application, debugging methods, installation and development history. 1、 Structure: voltage relay consists of electromagnetic relay and voltage protection device. The electromagnetic relay is composed of iron core, coil, contact and spring. The coil generates magnetic field through current excitation to make the contact open and close. The voltage protection device mainly includes motor protector, overvoltage protector, undervoltage protection
Date: 2024-1-12 Read: 2016
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PIN photodiode is an EP1S30F780C6 photoelectric converter, which can convert optical signals into electrical signals. It has the advantages of simple structure, high sensitivity and fast response, and is widely used in optical communication, photoelectric detection, object recognition and other fields. 1、 Structure: PIN photodiode consists of three regions: P-type semiconductor, intrinsic layer (I region) and N-type semiconductor. Generally, P-type and N-type semiconductors are highly doped, while the intrinsic layer is low doped. The three regions form a PN junction, and the intrinsic layer is an undoped layer between two doped layers. 2、 Advantages and disadvantages: Advantages: 1. High sensitivity: fixing PIN photodiode
Date: 2024-1-11 Reading: 1541
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The standard inductor is a FQD19N10TM precision instrument used to measure inductance value. It can provide very accurate inductance value, and is usually used to calibrate and test the accuracy of other inductors. The structure, characteristics working principle , application, detection, installation, use and development history. 1、 Structure: The standard inductor is generally composed of a coil, which is usually wound by copper wire, and then fixed on a non-magnetic material core. The core body is usually made of quartz or ceramic to ensure the stability and accuracy of the coil. The coil length and winding method of the standard inductor are designed according to the specific inductance value. 2、 Features: 1. High precision
Date: 2024-1-10 Reading: 5960
