“Enabling Precise Beamforming with Industry-Leading Channel Isolation” Project Overview Customer Background A leading North American 5G infrastructure developer (confidential under NDA) required an advanced 16-transmit/16-receive (16T16R) Massive MIMO antenna array PCB for their next-generation 3.5GHz 5G macro base stations. The design faced critical inter-channel crosstalk issues degrading beamforming accuracy and 3GPP 38.104 compliance. Technical Challenges […]
1. Background Overview In modern industrial automation systems, a stable and reliable power supply is critical for ensuring efficient equipment operation. A European client specializing in industrial-grade voltage regulators was seeking to enhance product performance in areas such as voltage stability, thermal control, communication reliability, and cost efficiency. They turned to KKPCB for a customized […]
1. Background Overview A European customer in the industrial automation sector required a high-performance and reliable industrial network router for device-to-device communication in their automated systems. The router needed to support high-speed data transfer, strong anti-interference capabilities, remote control functionality, and stable operation in harsh environments. The customer was looking for a supplier with expertise […]
“Enabling Next-Gen LEO Satellite Communication with High-Performance RF PCBs” Project Overview Customer Background A leading European satellite technology provider (identity protected under NDA) required high-reliability PCBs for their next-generation low Earth orbit (LEO) communication terminals, targeting IoT and global broadband connectivity. The system demanded ultra-low-loss signal transmission at Ka-band (26.5-40GHz) to meet ITU-R S.465-6 radiation […]
1. Customer Challenge
Application: Military/5G Base Station SDR Backplane
Critical Requirements:
Support 12 independent RF channels without interference
Achieve cross-channel isolation >65dB @2.4GHz
Pass FCC Part 90 certification for industrial radio equipment
Withstand harsh environments (85°C/85%RH for 1,000+ hours)
1. Customer Challenge
Application: 5G Base Station/Radar Power Amplifier
Pain Points:
Low Efficiency: Only 35% at 6GHz, causing excessive heat
Unstable Performance: Return loss > -15dB, signal reflection issues
Material Limitations: FR4-only PCB led to dielectric loss (Df > 0.02 @10GHz)
1. Customer Requirements
Application: Industrial robotic joint drive control
Key Challenges:
Integrate 16-channel PWM control + current sampling within 80mm × 60mm
Excessive MOSFET temperature rise (>30°C @20A), causing throttling
Compliance with IEC 61000-6-4 (Industrial EMC Standard)
Client: A Leading Metro System Operator (Asia)Application: Underground Tunnel Communication Systems 1. Operational Challenges Environmental Conditions: Critical Failures Observed:▶ Insulation resistance (IR) dropped to <1GΩ within 6 months▶ Bit Error Rate (BER) surged to 10⁻⁴ (vs. required 10⁻⁸)▶ Frequent corrosion-induced signal loss (3+ annual maintenance interventions) 2. KKPCB’s Robust Manufacturing Solution Core Technical Innovations Technology […]
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 […]
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 […]