PCBA Images

About TECircuit

Found: TECircuit has been operating since 2004.

Location: An electronics manufacturing service(EMS) provider located in Shenzhen China.

Item: Customizable EMS PCB, offers a full range of one-stop shop services.

Service: Printed Circuit Board (PCB)and Printed Circuit Board Assembly(PCBA), Flexible Printed Circuit Board(FPC), Components Sourcing, Box-Building, Testing.

Quality Assurance: UL,ISO 9001, ISO 14001, ISO 13485, ITAF 16949 andcomplied with ROHS and REACH.

Factory Pictures:
Company's own plant : 50,000 sqm; Employees : 930+; Monthly production capacity : 100,000 m2

PCBA Applications

• Professional Audio Monitoring: The PCBA enables accurate reproduction of high-resolution audio files for studio engineers and audio professionals, allowing critical listening and quality assessment during music production and mastering processes.

• Audiophile-Grade Portable Listening: It serves as a dedicated high-fidelity music source for discerning listeners, delivering studio-quality sound through premium headphones and earphones while maintaining portable convenience.

• High-Resolution Audio Archiving: The PCBA facilitates the playback of archived lossless audio formats, preserving the integrity of original recordings for archival purposes and historical audio preservation.

• Reference Audio System Integration: Functions as a premium source component in high-end home audio systems, providing pristine digital-to-analog conversion for demanding audiophile setups and reference-grade equipment.

• Audio Equipment Testing and Evaluation: Provides a reliable reference signal source for testing amplifiers, speakers, and headphones, ensuring accurate performance measurements and quality verification.

• Digital Music Education and Appreciation: Serves as an educational tool for music students and enthusiasts to experience uncompressed audio, helping develop critical listening skills and appreciate subtle sonic details.

• Live Recording and Field Recording: Supports high-resolution audio capture and immediate playback verification for field recording artists and live event producers requiring immediate quality assessment.

PCBA Features

1. High-Performance Digital-to-Analog Converter (DAC): The PCBA incorporates premium DAC chips capable of handling high-resolution formats up to DSD512 and PCM 32-bit/768kHz, with exceptional signal-to-noise ratio (typically >120dB) and ultra-low distortion characteristics.

2. Dual Clock Oscillator System: Implements separate precision crystal oscillators for 44.1kHz and 48kHz sample rate families, eliminating timing jitter and ensuring accurate digital-to-analog conversion across all supported audio formats.

3. Advanced Power Supply Architecture: Features multiple independent voltage regulators with sophisticated filtering and isolation for analog and digital sections, preventing digital noise from contaminating sensitive analog signals.

4. Balanced Audio Output Circuitry: Includes fully differential amplification stages with matched components for balanced headphone outputs, providing superior noise rejection and increased dynamic range for demanding headphones.

5. High-Speed Memory Buffer System: Incorporates dedicated RAM for audio data buffering, reducing read errors from storage media and ensuring uninterrupted playback of high-bitrate audio files.

6. Multi-Layer PCB with Ground Plane Separation: Utilizes sophisticated PCB layout with separate ground planes for digital, analog, and power sections, minimizing electromagnetic interference and cross-talk between circuits.

7. Modular Amplifier Stage Design: Features swappable amplifier modules or multiple discrete amplifier circuits optimized for different impedance headphones, allowing users to customize the sound signature to their preference.

8. Native Format Decoding Capability: Integrates powerful processors with hardware-accelerated decoding for all major high-resolution formats including MQA, DSD, FLAC, ALAC, and WAV without software conversion or compromise.

FAQ

​PCB & PCBA Description​

PCB Assembly OEM Service

Electronic Components Material Purchasing

Bare PCB Fabrication

Cable, Wire-harness Assembly, Sheet Metal, Electrical Cabinet Assembly Service

PCB Assembly Service: SMT, BGA, DIP

PCBA test: AOI, In-Circuit Test (ICT), Functioal Test (FCT)

Conformal Coating Service

Prototyping and Mass Production

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PCBA ODM service

PCB Layout, PCBA Design According To Your Idea

PCBA Copy/Clone

Digital Circuit Design / Analog Circuit Design/ lRF Design /Embedded Software Design

Firmware and Microcode Programming Windows Application (GUI) Programming/Windows Device Driver (WDM) Programming

Embedded User Interface Design / lSystem Hardware Design

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