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

• Military and Defense Communications: The PCBA enables dynamic frequency hopping, encrypted communications, and signal intelligence across multiple bands, providing secure and adaptive battlefield communication systems that can bypass jamming and interception.

• Telecommunications Infrastructure: Serves as the hardware foundation for multi-protocol base stations and network equipment, allowing telecom operators to support 2G, 3G, 4G, and 5G standards through software updates rather than hardware replacement.

• Amateur Radio and Research: Provides hobbyists and researchers with a versatile platform for experimenting with radio protocols, signal processing algorithms, and developing new communication techniques across frequency ranges from HF to microwave bands.

• IoT and Wireless Sensor Networks: Enables flexible connectivity solutions for IoT devices by supporting multiple wireless standards (LoRa, Zigbee, Bluetooth) on a single hardware platform, adapting to different regional requirements and protocols.

• Broadcast and Media Services: Facilitates digital television and radio broadcasting with software-configurable modulation schemes, allowing broadcasters to transition between standards and optimize transmission parameters for different content types.

• Aviation and Maritime Communications: Supports multiple aviation and maritime communication protocols (VHF, UHF, satellite communications) through software reconfiguration, providing versatile communication solutions for transportation industries.

• Scientific Research and Spectrum Monitoring: Serves as an instrument for radio astronomy, atmospheric studies, and regulatory spectrum monitoring, capturing wide bandwidth signals for detailed analysis of electromagnetic environments.

PCBA Features 

1. High-Speed ADC/DAC System: The PCBA incorporates high-resolution Analog-to-Digital Converters (up to 14-16 bits) and Digital-to-Analog Converters with sampling rates exceeding 100 MSPS, enabling direct conversion between RF and digital domains across wide frequency ranges.

2. FPGA-Based Signal Processing: Features powerful Field Programmable Gate Arrays that implement real-time digital downconverters, filters, and modulation/demodulation algorithms, providing the computational horsepower for sophisticated signal processing tasks.

3. Wideband RF Front-End: Includes tunable RF front-end circuitry with programmable gain amplifiers and band-select filters that can operate across frequency ranges from DC to 6GHz, supporting multiple wireless standards without hardware modification.

4. Multi-Protocol Software Framework: Supports comprehensive software ecosystems like GNU Radio, allowing developers to implement various modulation schemes (QPSK, QAM, OFDM) and protocols through configurable signal processing blocks rather than fixed hardware.

5. Precision Clock and Timing Circuitry: Incorporates temperature-compensated crystal oscillators or GPS-disciplined clock sources with phase noise characteristics below -110 dBc/Hz, ensuring accurate frequency synthesis and sampling timing for sensitive radio applications.

6. High-Speed Interface Connectivity: Provides multiple high-speed interfaces including Gigabit Ethernet, USB 3.0, and PCI Express for transferring large volumes of I/Q data to host computers, supporting real-time processing of wide bandwidth signals.

7. Advanced Thermal Management System: Implements sophisticated heat sinking and thermal design to dissipate heat from high-power FPGAs and RF components, maintaining signal integrity and processing performance during continuous operation.

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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