PCBA

Bluetooth Microphone Circuit Board Assembly

2 layers PCB LED Wireless Capacitance Microphone Circuit Board Assembly Manufacturers
  • Item:

    Capacitor Microphone PCBA
  • MOQ:

    1000sets
  • Sample:

    Customized(OEM)
  • Support:

    PCB Design/Box Build/Components Sourcing/PCB Manufacturing/SMT/DIP/PCB Assembly
  • Product Detail

Bluetooth Microphone Circuit Board Assembly


This condenser microphone uses a 3722TX sensor. When two extremely thin metal films are vibrated by sound pressure, they change the capacitance on the capacitor metal film, thereby generating current, and the sound signal is directly converted into an electrical signal. It needs polarization pressure to be used. We choose to use 48V phantom power to supply power to the amplifier. After the amplifier is amplified multiple times, the electrical signal is converted into a sound signal for output. This kind of condenser microphone has high sensitivity (-36-50dB), high directivity, signal-to-noise ratio is greater than 66dB, will not affect the material due to the high temperature of the tin furnace, SMT can be mass-produced, and the product has good stability. Applicable occasions: Film and television recording studios and recording studios (quiet spaces), suitable for crowds, professional singers, people who record songs/audio books in high sound quality, and reproduce the original sound. Some people who have a thicker and deep voice are very suitable, which can balance your tone.

Item NO

MICROPHONE-001

PCB Layers

2 layers

Material

FR4

Thickness of Copper

1oz

Size of Board

68*23mm

Thickness of Board

1.6mm

Surface Treatment

ENIG

Sensor

3722TX

Power Supply

48V

Proofing times

2 weeks


Advantage:

1. Light weight, small size, fast response characteristics, extremely light and thin metal material vibrating membrane, the vibrating membrane does not have any load,

2. Wide frequency response, high sensitivity (ultra-low frequency below 10Hz, treble 10KHz, human ear audible frequency response range is 20Hz20kHz), the vibrating membrane is made of extremely light and thin metal material film,

3. The product has good stability and can be mass-produced by SMT;

Disadvantages:

1. The structure is complex, the cost is more expensive than the moving coil, and it needs power supply to work.

2. The sound film is fragile, easy to be damp and afraid of falling, and difficult to store. The precious ones are stored in a vacuum moisture-proof box.



FAQ:
Q: What is your advandage than other supplier ?
A: 1.Located in Mid-China causing low labor cost.
2.Traditional production and auto production offers us flexible price system, which can satisfy both big customers and medium-size customers.
3.We have IPC, IPQC, FQC controlling quality in the factory, ensuring our products meet IPC Class 2.


Q: How about your supply capacity for Microphone PCBA?
A: Our supply capacity is around 2000sqm to 6000sqm each day. The min size we can process is 3*3mm, and the max size is 500*1500mm.

Q: What 's the lead time for the order of the Microphone PCBA?

A:  Normally,it will take 3 to 15 working days.If you need urgent, please contact our sales manager.


Get a quote
If you need to send file or forms, please contact us by email info@xlpcba.com directly.
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RK3566 Chip Main Control Board is Used for Face Recognition Industrial Control Development Motherboard Chapter One Product Overview 1.1. Overview RK3566 Android all-in-one board adopts Rockchip's quad-core RK3566 chip solution with internal integrated NPU. RK3566 is a 64-bit CPU based on quad-core Cortex-A55 and adopts a brand new 22nm process; the main frequency is up to 1.8GHz; supports Google Android 11.0 operating system; GPU adopts MaliG522EE, which supports mainstream audio and video formats and picture decoding; RK3566 internally integrates AI neural network processor NPU, computing power up to 1TOPS, support a variety of AI development tools and interfaces.It is conducive to processing massive amounts of multimedia data such as video and images, and provides a strong foundation for machine deep learning; rich on-board interfaces and I/O, with rich and flexible connectivity and extensibility, support for commonly used external devices; rich interfaces, stable performance, can meet the requirements of different scenarios; 1.2. Characteristics ◆High performance: RK3566 is a 64-bit CPU based on quad-core A55 using a new 22nm process, with a frequency of up to 1.8GHz., It has super general-purpose computing performance, the GPU adopts Mali G522EE, and the CPU integrates AI neural network processing. The NPU of the device has a computing performance of up to 1TOPS. It is conducive to processing massive amounts of multimedia data such as video and images, and it is deep for the machine. Degree learning provides a strong foundation.   ◆ High stability: RK3566 Android all-in-one board, in terms of hardware and software, adds its own unique technology to ensure the stability of the product, which can make the final product unattended for 7*24 hours.   ◆ High degree of integration: The RK3566 Android all-in-one board integrates gigabit Ethernet, WiFi, Bluetooth, 4Q/18W power amplifier, TF card expansion, IR remote control function, HDMI output, LVDS, eDP, MIPI screen, microphone, gravity sensing and other functions, which greatly simplifies the design of the whole machine.The ultra-thin motherboard design can make the whole machine design more beautiful.   ◆Rich interface: support USB2.0/USB3.0 port, serial port, I2C interface, Weigen, GPIO, ADC, etc., can expand more peripheral equipment.It can meet common peripherals on the market, such as serial card swipe equipment, printing equipment, audio and video collection equipment, and so on.   ◆ System customization: Support Android system optimization and customization, and provide system call interface API reference code.       Chapter 2 Appearance and interface diagram Chapter 3 Basic specifications, function list 3.1. Basic hardware specifications and functions CPU Rockchip RK3566 (22nm process technology)   Quad-core 64-bit Cortex-A55 processor with a maximum operating frequency of 1.8GHz GPU ARM G522EE graphics processor   Support for OpenGL ES 1.1/2.0/3.2 , OpenCL2.0, Vulkan 1.1 NPU Embedded high-performance 2D acceleration hardware Codec Integrated RKNN NPU AI accelerator, 1Tops@INT8 performance memory Built-in storage capacity   Support one-click conversion of Caffe/TensorFlow/TFLite/ONNX/PyTorch/Keras/Darknet architecture model 4K@60fps H.265/H.264/VP9 video decoding 1080P@60fps H.265/H.264 video encoding network 1GB/2GB/4GB/8GBLPDDR4/LPDDR4X (default 2GB)   8GB/16GB/32GB/64GB/128GB eMMC built-in storage (default 16GB) supports TF card expansion   Support RJ45 Gigabit network port, support POE module power supply Image rotation Support 2.4G WiFi, support Wi-Fi802.11b/g/n protocol   Support Bluetooth function, V2.1+EDR/Bluetooth 3.0/3.0+HS/4.0 (optional)   Support manual rotation of 0 degrees, 90 degrees, 180 degrees, 270 degrees; Display interface Support gravity sensor automatic screen rotation function (optional) Audio interface 1*eDP interface (eDP1.3,4 lanes with 10.8Gbps), support 3.3V/5V/12V power supply 1*LVDS interface (single/dual, 6-bit/8-bit), support 7"-108" display, the highest support Hardware watchdog 1080P60Hz output, support 3.3V/5V/12V power supply   1*HDMI2.0, supports up to 4K60Hz output Touch screen interface 1*MIPI screen interface, supports up to 1080P60Hz output RTC Support dual-screen simultaneous display USB 1*Speaker output (2*18W4R THD<10%) Infrared reception 1*Microphone input   3.2. Basic software specifications and functions Operating system Android 11 audio MP3, WMA, WAV, APE, FLAC, AAC, OGG, M4A, 3GPP and other formats video Support H. 265,H . 264,VP8,MAV,WMV,AVS,H . 1080P/2160P multi-video decoding of 263, MPEG4 and other video formats picture Support JPG, BMP, PNG and other image formats to browse and support rotation/slideshow playback/image enlargement function   APK installer, email, calculator, browser, voice recorder, calendar, settings, clock, video player, search, address book, gallery, download, camera, music, resource manage...
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Get a quote
If you need to send file or forms, please contact us by email info@xlpcba.com directly.

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