Shenzhen KKPCB Technology Co., Ltd. (KKPCB) is a professional PCB and PCBA manufacturer dedicated to providing one-stop electronic manufacturing solutions. Specializing in high-difficulty, small to medium batch PCB and PCBA production, we focus on delivering high-precision, high-reliability products with fast turnaround times to meet customers’ complex design and technical requirements.

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05, 258 Shenshan Rd, Longdong Community, Baolong St, Longgang Dist, Shenzhen, China

+86-138-2376-5993

Engineering Technology

PCBA Solution Case Study for Motor Driver

— High-Performance Drive Control Board Empowering Industrial Control Systems 1. Background Overview A customer from the Middle Eastern region, engaged in industrial control system integration, planned to develop a two-phase open-loop stepper motor driver for use in precision mechanical control applications. The project required a control board (PCBA) with high stability, strong interference resistance, precise […]

Engineering Technology

KKPCB Manufacturing Case Study: Precision Flexible PCB for Near-Field Probe Calibration

Client Industry: European EMC Testing Equipment Manufacturer Applications: ISO 17025-Certified Probe Calibration / High-Frequency Field Measurement 1. Manufacturing Challenges Critical Requirements: Previous Supplier Limitations:▶ Manual thickness compensation caused ±8% dielectric variation▶ PTFE delamination during lamination (yield loss 15%)▶ Probe-to-probe measurement deviation >±3.5dB 2. Precision Manufacturing Innovations (A) Proprietary Process Flow Process Stage Technical Breakthrough Control Precision Material Prepreg […]

Engineering Technology

KKPCB Manufacturing Case Study: 40kW High-Power RF Amplifier Metal-Core PCB

Client Industry: European Industrial Equipment ManufacturerApplications: Particle Accelerator RF Systems / Industrial Microwave Heating 1. Industry Manufacturing ChallengesCritical Requirements: Previous Supplier Issues:▶ CTE mismatch in traditional aluminum substrates caused copper layer delamination▶ Manual MOSFET soldering led to ±15% thermal resistance variation▶ Water-cooling solutions increased system complexity by 30% 2. Advanced Manufacturing Solutions (A) Core Process […]

Engineering Technology

Satellite IoT Dual-Mode Communication PCB: High-Reliability Design for Harsh Environments

(ASTM E1647 Validated, 60% Cost Reduction vs. Ceramic Substrates) Project Introduction This project developed a mission-critical PCB for commercial satellite IoT terminals requiring: “The Rogers/Taconic hybrid stackup solved our insertion loss and CTE mismatch problems simultaneously.”— Lead RF Engineer (Client R&D Team) Key Specifications Parameter Target Achieved Frequency Range 902-928MHz (LoRa) + 1.5GHz (SatIoT) 850MHz-1.6GHz […]

Engineering Technology

KKPCB Case Study: 77GHz Automotive Radar PCB

1. Customer Profile Client: AnonymousIndustry: ADAS (Advanced Driver Assistance Systems), Autonomous VehiclesApplication: 77GHz Long-Range Radar (LRR) for Highway Pilot & Collision Avoidance Customer’s Requirements: Key Challenges: 2. KKPCB’s Radar PCBA Solution (A) Material & Stackup Layer Material Function Key Specs RF Layers Rogers RO3003 Antenna Array & Front-End Dk=3.0, Df=0.0013 @ 77GHz Core Arlon 25FR […]

Engineering Technology
KKPCB Case Study: Hybrid Power+RF PCB for Base Station Applications

KKPCB Case Study: Hybrid Power+RF PCB for Base Station Applications

Client: Anonymous
Industry: Telecom Infrastructure, 5G Macro/Micro Base Stations
Application: Power Amplifier (PA) Modules + RF Front-End PCBs

High-power base station equipment requiring PCBs are able to handle:

High current (30A+) for PAs

Low-loss RF (3.5GHz-28GHz for 5G)

Thermal stability (85°C ambient, 125°C local hotspots)

Key Challenges Faced:

Delamination risk from mixed thick-copper (6oz) and RF layers.

EMI coupling between power and RF sections.

Thermal warping under high thermal cycling.

Engineering Technology

KKPCB Case Study: High-Frequency Fiber Optic Transceiver PCB for Fiber Instrument Sales

Client:  Anonymous
Industry: Fiber Optic Test & Measurement, High-Speed Data Transmission
Application: Next-gen 100G/400G+ optical transceivers, OTDR equipment, and 50GHz RF test modules.

FIS designs precision fiber optic tools, requiring ultra-low-loss PCBs to maintain signal integrity at millimeter-wave frequencies (up to 50GHz). Their challenges include:

Insertion loss degrading high-speed signals (>40Gbps).

Impedance mismatches causing reflection noise.

Thermal expansion leading to microvia cracking in compact designs.

Engineering Technology PCB Assembly PCB Design/Layout PCB Manufacturing

Case Study: 77GHz Millimeter-Wave Automotive Collision Avoidance System

The client specializes in the development and production of a wide range of microwave electronic products. These products are extensively used in satellite communication, television broadcasting, long-range communication, data and image transmission, radar, remote control, remote sensing, electronic reconnaissance, and electronic countermeasures. With deep technical expertise in microwave technology and high-frequency electronic products, the customer serves multiple high-tech industries requiring precise, reliable, and high-frequency transmission solutions.