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    • Audio ProductsAudio Products 1. What are the Main Types of Audio Products? 1) Speaker Function: Converts audio electrical signals into sound energy output, and is the core component of the audio system. Technical features: Uses a pure piston drive design, combined with aluminum and damping materials to reduce distortion. Sensitivity, frequency response, and directional characteristics directly affect the sound quality. 2)Microphone Types: Including capacitive (ECM, MEMS), dynamic, piezoelectric, etc. Application: Voice interaction, active noise reduction and recording scenarios, MEMS microphones have become the first choice for consumer devices due to their high consistency. Audio connector Structure: Divided into balanced, separate, and non-separate circuit designs, affecting anti-interference ability and signal transmission quality. Process requirements: The appearance must be free of burrs and leaks to ensure stability and durability. 3)Dynamic Unit Innovative technology: For example, the runway-type dynamic unit improves acoustic performance by optimizing the diaphragm material, which is suitable for professional microphones and micro speakers. 2. What are the Key Performance Parameters of Audio Products?  ‌Nominal power and impedance‌: The speaker needs to match the rated power (such as 0.1W~200W) and impedance (4Ω~32Ω) to ensure compatibility‌. ‌Frequency response‌: Determines the audio coverage range, and high-end speakers can reach 23Hz~52kHz‌. ‌Distortion‌: Including harmonic distortion and intermodulation distortion, which directly affects…
    • CapacitorsCapacitors Capacitors play a vital role in electronic circuits. Reasonable selection and use are the keys to ensuring circuit performance. 1. Capacitors Overview A capacitor is a passive electronic component consisting of two conductors (plates) close to each other and a non-conductive insulating medium (dielectric) in the middle, used to store charge and electrical energy. Its core function is to achieve temporary storage and release of energy through the charging and discharging process. The calculation formula of capacitance (unit: Farad, F) is: C=εS/4πkd Where ε is the dielectric constant, S is the plate area, and d is the plate spacing. 2. What are the Core parameters of Capacitors? ‌Capacitance‌: There is a tolerance between the nominal value and the actual value, and the accuracy is usually 5%~25%. ‌Rated voltage‌: The maximum voltage limit for the normal operation of the capacitor. ‌Dissipation factor‌: Reflects the energy loss of the dielectric material and the equivalent series resistance (ESR). ‌Temperature coefficient‌: The effect of temperature change on capacitance, expressed in ppm (parts per million). ‌Leakage current‌: Determined by dielectric insulation performance, affecting long-term stability‌. 3. What are the Types of Capacitors? 1）‌Differentiation by polarity‌: ‌Non-polar capacitors‌: Such as ceramic capacitors and film capacitors, which can be installed in any direction, but have a small…
    • Connectors, Interconnects
    • Crystals, Oscillators, ResonatorsCrystals, Oscillators, Resonators Crystals, oscillators and resonators each have their own characteristics and different application scenarios. In actual design, frequency stability, power consumption, cost and environmental factors need to be considered comprehensively. 1. What are Crystals? Definition: Crystals are typical passive devices (Passive Device), the main component of which is quartz (SiO₂), which use the piezoelectric effect to realize the mutual conversion of mechanical vibration and electrical signals. ‌Working principle‌: When an external voltage is applied, the crystal generates a resonant signal of a fixed frequency through mechanical vibration, but it does not have the driving ability itself and needs to rely on external circuits (such as amplifiers and load capacitors) to maintain oscillation. ‌Application scenario‌: Commonly used in clock circuits (such as microcontrollers and communication equipment) to provide reference frequency, and the nominal frequency range covers kHz to MHz (such as 32.768kHz or 24MHz). 2. What are Oscillators? Definition: Oscillators are active devices (Active Device), which integrate internal amplifier circuits, feedback resistors and voltage stabilization components, and can independently generate stable frequency signals. ‌Core features‌: √Directly output clock signals (such as sine waves or square waves) without external driving circuits‌. √Pins usually include power supply (VCC), ground (GND), output (OUT), etc.,…
    • FiltersFilters Filters can effectively optimize signal integrity and improve the anti-interference ability and performance of electronic systems. 1. Filters Overview A filter is an electronic circuit or device used for signal processing. Its core function is to improve signal quality by selectively allowing specific frequency components to pass through while suppressing or attenuating other frequency components. Its application scenarios include communication systems, power management, audio processing, and RF front-end. 2. What are the Types of Filters? 1) Classification by frequency characteristics Low-pass filter (LPF): allows signals below the cutoff frequency to pass through, suppresses high-frequency noise, and is often used for power supply ripple smoothing. High-pass filter (HPF): allows signals above the cutoff frequency to pass through, and removes low-frequency interference (such as DC offset). Band-pass filter (BPF): only allows signals in a specific frequency band to pass through, and is used for signal frequency division in communication systems. Band-stop filter (BSF): suppresses signals in a specific frequency band (such as ground reflection interference in radar systems). 2) Classification by implementation method Passive filter: composed of passive components such as resistors, capacitors, and inductors, with low cost, but performance limited by component parameters. Active filter: combined with active components such as operational amplifiers, with high gain and strong…
    • OptoelectronicsOptoelectronics ‌Optoelectronics‌ is a field that crosses electronics and photonics. Its core function is to achieve information transmission, energy regulation, and signal processing through the mutual conversion of light and electricity. Its devices use the optoelectronics properties of semiconductor materials to convert electrical signals into optical signals or vice versa, and are widely used in communication, display, sensing and other fields. 1. Optoelectronics Overview‌ ‌Definition‌: Optoelectronics focuses on the interaction between light and electricity, covering light-emitting devices (such as LEDs, and lasers), light detection devices (such as photodiodes, and photoresistors), and light modulation devices (such as electro-optical modulators). ‌Technical Basis‌: Mainly based on III-V compound semiconductors (such as GaAs, and InP), these materials have direct band gap characteristics and can efficiently achieve electroluminescence or photoconductivity effects. For example, by adjusting the band gap of semiconductor materials (such as 3.4eV of GaN), the device can be controlled to emit visible light or infrared light. 2. What are the ‌Main Types and Device Characteristics of Optoelectronics？‌ 1）‌Light-emitting device‌: ‌LED‌: Converts electrical energy into light of a specific wavelength, used for lighting, display screens, etc. ‌Laser‌: Generates highly coherent light beams, used in fiber-optic communications and medical equipment‌. 2）‌Photodetector device‌: ‌Photodiode‌: Converts optical signals into electrical signals, has a fast response speed, and…
    • RelaysRelays 1. Relays Overview Relays are electronic switching devices that control the on and off of output circuits through input signals. They can realize the functions of controlling large currents with small currents, isolating strong and weak currents, and switching circuits. Its core functions include automatic adjustment, safety protection, and signal conversion, and are widely used in power systems, automation control, communication equipment, and other fields. 2. How Relays Work? 1) Structure Composition Electromagnetic relay: It is composed of mechanical parts such as an iron core, coil, armature, and contact spring, and relies on electromagnetic effect to drive the contact action. Solid-state relay (SSR): It has no mechanical parts and consists of three parts: input circuit (control signal), drive circuit (photoelectric coupling or high-frequency transformer isolation), and output circuit (semiconductor devices such as thyristor, MOSFET, etc.). 2) Working Principle Electromagnetic type: When the coil is energized, a magnetic field is generated, which attracts the armature to drive the contacts to close or open, thereby realizing the on and off of the circuit. ‌Solid-state type‌: The input control signal is isolated by a photocoupler and then triggers the output semiconductor device to switch the load circuit in a contactless manner‌. 3. What…
    • SwitchesSwitches As a basic component, switches assume key control functions in communications, electronic equipment, and complex systems, and their technical forms continue to evolve with application needs. 1. Switches Overview ‌Basic function‌: Control the conduction and disconnection of current by mechanical or electronic means to realize the opening and closing of circuits or path switching. ‌Technical characteristics‌: Its actions only focus on the circuit connection status and do not involve the transmission content itself. For example, traditional telephone switches establish communication links through physical switches and disconnect them immediately after completion. 2. What are Switches Used for? ‌Communication system‌ Circuit switching networks (such as traditional telephone networks) rely on switches to achieve real-time connections between users and complete signal transmission through trunk lines. Although modern packet-switching technology uses similar physical architectures, it uses different protocols and switch types. ‌Electronic device control‌ Commonly found in circuit boards, used for power management, signal switching, and other functions, such as mechanical key switches or electronic MOSFET switches. 3. What are the Related Components of Switches? Relays: Use electromagnetic principles to control the on and off of high-power circuits, suitable for scenarios where strong/weak currents need to be isolated. Connectors: Used in conjunction with switches to ensure the reliability of physical…
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HighqualityPCB
  • Home
  • Electronic Parts
    • Audio ProductsAudio Products 1. What are the Main Types of Audio Products? 1) Speaker Function: Converts audio electrical signals into sound energy output, and is the core component of the audio system. Technical features: Uses a pure piston drive design, combined with aluminum and damping materials to reduce distortion. Sensitivity, frequency response, and directional characteristics directly affect the sound quality. 2)Microphone Types: Including capacitive (ECM, MEMS), dynamic, piezoelectric, etc. Application: Voice interaction, active noise reduction and recording scenarios, MEMS microphones have become the first choice for consumer devices due to their high consistency. Audio connector Structure: Divided into balanced, separate, and non-separate circuit designs, affecting anti-interference ability and signal transmission quality. Process requirements: The appearance must be free of burrs and leaks to ensure stability and durability. 3)Dynamic Unit Innovative technology: For example, the runway-type dynamic unit improves acoustic performance by optimizing the diaphragm material, which is suitable for professional microphones and micro speakers. 2. What are the Key Performance Parameters of Audio Products?  ‌Nominal power and impedance‌: The speaker needs to match the rated power (such as 0.1W~200W) and impedance (4Ω~32Ω) to ensure compatibility‌. ‌Frequency response‌: Determines the audio coverage range, and high-end speakers can reach 23Hz~52kHz‌. ‌Distortion‌: Including harmonic distortion and intermodulation distortion, which directly affects…
    • CapacitorsCapacitors Capacitors play a vital role in electronic circuits. Reasonable selection and use are the keys to ensuring circuit performance. 1. Capacitors Overview A capacitor is a passive electronic component consisting of two conductors (plates) close to each other and a non-conductive insulating medium (dielectric) in the middle, used to store charge and electrical energy. Its core function is to achieve temporary storage and release of energy through the charging and discharging process. The calculation formula of capacitance (unit: Farad, F) is: C=εS/4πkd Where ε is the dielectric constant, S is the plate area, and d is the plate spacing. 2. What are the Core parameters of Capacitors? ‌Capacitance‌: There is a tolerance between the nominal value and the actual value, and the accuracy is usually 5%~25%. ‌Rated voltage‌: The maximum voltage limit for the normal operation of the capacitor. ‌Dissipation factor‌: Reflects the energy loss of the dielectric material and the equivalent series resistance (ESR). ‌Temperature coefficient‌: The effect of temperature change on capacitance, expressed in ppm (parts per million). ‌Leakage current‌: Determined by dielectric insulation performance, affecting long-term stability‌. 3. What are the Types of Capacitors? 1）‌Differentiation by polarity‌: ‌Non-polar capacitors‌: Such as ceramic capacitors and film capacitors, which can be installed in any direction, but have a small…
    • Connectors, Interconnects
    • Crystals, Oscillators, ResonatorsCrystals, Oscillators, Resonators Crystals, oscillators and resonators each have their own characteristics and different application scenarios. In actual design, frequency stability, power consumption, cost and environmental factors need to be considered comprehensively. 1. What are Crystals? Definition: Crystals are typical passive devices (Passive Device), the main component of which is quartz (SiO₂), which use the piezoelectric effect to realize the mutual conversion of mechanical vibration and electrical signals. ‌Working principle‌: When an external voltage is applied, the crystal generates a resonant signal of a fixed frequency through mechanical vibration, but it does not have the driving ability itself and needs to rely on external circuits (such as amplifiers and load capacitors) to maintain oscillation. ‌Application scenario‌: Commonly used in clock circuits (such as microcontrollers and communication equipment) to provide reference frequency, and the nominal frequency range covers kHz to MHz (such as 32.768kHz or 24MHz). 2. What are Oscillators? Definition: Oscillators are active devices (Active Device), which integrate internal amplifier circuits, feedback resistors and voltage stabilization components, and can independently generate stable frequency signals. ‌Core features‌: √Directly output clock signals (such as sine waves or square waves) without external driving circuits‌. √Pins usually include power supply (VCC), ground (GND), output (OUT), etc.,…
    • FiltersFilters Filters can effectively optimize signal integrity and improve the anti-interference ability and performance of electronic systems. 1. Filters Overview A filter is an electronic circuit or device used for signal processing. Its core function is to improve signal quality by selectively allowing specific frequency components to pass through while suppressing or attenuating other frequency components. Its application scenarios include communication systems, power management, audio processing, and RF front-end. 2. What are the Types of Filters? 1) Classification by frequency characteristics Low-pass filter (LPF): allows signals below the cutoff frequency to pass through, suppresses high-frequency noise, and is often used for power supply ripple smoothing. High-pass filter (HPF): allows signals above the cutoff frequency to pass through, and removes low-frequency interference (such as DC offset). Band-pass filter (BPF): only allows signals in a specific frequency band to pass through, and is used for signal frequency division in communication systems. Band-stop filter (BSF): suppresses signals in a specific frequency band (such as ground reflection interference in radar systems). 2) Classification by implementation method Passive filter: composed of passive components such as resistors, capacitors, and inductors, with low cost, but performance limited by component parameters. Active filter: combined with active components such as operational amplifiers, with high gain and strong…
    • OptoelectronicsOptoelectronics ‌Optoelectronics‌ is a field that crosses electronics and photonics. Its core function is to achieve information transmission, energy regulation, and signal processing through the mutual conversion of light and electricity. Its devices use the optoelectronics properties of semiconductor materials to convert electrical signals into optical signals or vice versa, and are widely used in communication, display, sensing and other fields. 1. Optoelectronics Overview‌ ‌Definition‌: Optoelectronics focuses on the interaction between light and electricity, covering light-emitting devices (such as LEDs, and lasers), light detection devices (such as photodiodes, and photoresistors), and light modulation devices (such as electro-optical modulators). ‌Technical Basis‌: Mainly based on III-V compound semiconductors (such as GaAs, and InP), these materials have direct band gap characteristics and can efficiently achieve electroluminescence or photoconductivity effects. For example, by adjusting the band gap of semiconductor materials (such as 3.4eV of GaN), the device can be controlled to emit visible light or infrared light. 2. What are the ‌Main Types and Device Characteristics of Optoelectronics？‌ 1）‌Light-emitting device‌: ‌LED‌: Converts electrical energy into light of a specific wavelength, used for lighting, display screens, etc. ‌Laser‌: Generates highly coherent light beams, used in fiber-optic communications and medical equipment‌. 2）‌Photodetector device‌: ‌Photodiode‌: Converts optical signals into electrical signals, has a fast response speed, and…
    • RelaysRelays 1. Relays Overview Relays are electronic switching devices that control the on and off of output circuits through input signals. They can realize the functions of controlling large currents with small currents, isolating strong and weak currents, and switching circuits. Its core functions include automatic adjustment, safety protection, and signal conversion, and are widely used in power systems, automation control, communication equipment, and other fields. 2. How Relays Work? 1) Structure Composition Electromagnetic relay: It is composed of mechanical parts such as an iron core, coil, armature, and contact spring, and relies on electromagnetic effect to drive the contact action. Solid-state relay (SSR): It has no mechanical parts and consists of three parts: input circuit (control signal), drive circuit (photoelectric coupling or high-frequency transformer isolation), and output circuit (semiconductor devices such as thyristor, MOSFET, etc.). 2) Working Principle Electromagnetic type: When the coil is energized, a magnetic field is generated, which attracts the armature to drive the contacts to close or open, thereby realizing the on and off of the circuit. ‌Solid-state type‌: The input control signal is isolated by a photocoupler and then triggers the output semiconductor device to switch the load circuit in a contactless manner‌. 3. What…
    • SwitchesSwitches As a basic component, switches assume key control functions in communications, electronic equipment, and complex systems, and their technical forms continue to evolve with application needs. 1. Switches Overview ‌Basic function‌: Control the conduction and disconnection of current by mechanical or electronic means to realize the opening and closing of circuits or path switching. ‌Technical characteristics‌: Its actions only focus on the circuit connection status and do not involve the transmission content itself. For example, traditional telephone switches establish communication links through physical switches and disconnect them immediately after completion. 2. What are Switches Used for? ‌Communication system‌ Circuit switching networks (such as traditional telephone networks) rely on switches to achieve real-time connections between users and complete signal transmission through trunk lines. Although modern packet-switching technology uses similar physical architectures, it uses different protocols and switch types. ‌Electronic device control‌ Commonly found in circuit boards, used for power management, signal switching, and other functions, such as mechanical key switches or electronic MOSFET switches. 3. What are the Related Components of Switches? Relays: Use electromagnetic principles to control the on and off of high-power circuits, suitable for scenarios where strong/weak currents need to be isolated. Connectors: Used in conjunction with switches to ensure the reliability of physical…
    • See all
  • PCB Manufacturing
    pcb

    PCBs

    Standard PCB
    prototype pcb
    HDI PCB
    High Frequency PCB
    Halogen-Free PCB
    High-Tg PCB
    Flexible PCB
    Rigid-Flex PCB
    Double Side PCB
    SMT Stencil

    Applications for PCBs

    Automotive PCBs
    OEM Power Bank PCBs
    LED PCBs

    Materials for PCBs

    FR4 PCB
    Rogers PCB
    Aluminum PCB
    Metal Core PCB
    Heavy Copper PCB
    Ceramic PCB

    Multi Layer PCBs

    4 Layer
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    Factory

    Orinew Technology Factory

    VISIT
    • Automotive
    • Ceramic PCB
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    • Heavy Copper PCB
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    • Power Bank
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  • More info
    • Electronic Parts
      • Integated Circuit
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    Mastering Connectivity: The HRS Connector DH80A-37P Guide

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    Unlocking Automotive Reliability: Your Ultimate Guide to KUM PK141-12017 & PK145-12017 Connectors

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    A Complete Guide to Balancing Copper Weight and Trace Width in PCB Design

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    A Comprehensive Guide to Copper Clad Laminate (CCL) in PCB Manufacturing

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    Published On: 2025-10-09Categories: blog, PCB Assembly

    A Complete Guide to PCB Surface Finish

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  • Electronic Component Identification
    Published On: 2025-08-21Categories: blog, Electronic Component

    A Guide to Electronic Component Identification: From Beginner to Expert

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  • PCB test | flying probe | ICT | functional testing | x ray inspection | pcb board testing
    Published On: 2025-07-31Categories: blog, PCB

    A Complete Guide to PCB Test

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