/Low-Loss Materials | Controlled Impedance ±5%/
High-Speed PCB
A High-Speed PCB is a circuit board specifically engineered to transmit high-frequency electrical signals with minimal distortion or loss.
Our High-Speed PCB can enable reliable transmission of high-frequency digital and analog signals in modern electronic systems. If you are developing high-speed digital electronics, PCBSAIL can support your project from prototype to mass production.
Our engineering team will help optimize your design for signal integrity, manufacturability, and cost efficiency.
High-Speed PCB Manufacturer.
PCBSAIL provides advanced High-Speed PCB fabrication and assembly services. Our High-Speed PCB can support applications ranging from 25 Gbps NRZ systems to 112 Gbps PAM4 SERDES architectures.
Through controlled stackup design, ultra-low-loss materials, and advanced via technologies, we ensure signal reliability across complex multilayer PCB structures.
Our engineering and manufacturing processes are optimized to maintain tight impedance control, low insertion loss, and predictable S-parameter performance.
Whether you are building telecommunication infrastructure or aerospace communication systems, we can delivers high-speed PCB solutions from prototype to volume production.
Manufacturing Equipment
PCBSAIL invests continuously in advanced manufacturing equipment to support high-speed PCB production.
- Laser Direct Imaging Systems
- High-speed CNC Drilling Systems
- Laser Drilling for Microvias
- Automated Optical Inspection (AOI)
Expertise
Our engineering team has extensive experience supporting designs operating from multi-gigabit SERDES links to high-frequency RF systems.
- Controlled Impedance Stackup Design
- Differential Pair Routing Strategies
- Crosstalk And EMI Reduction
- Return Path Optimization
- Via Transition Design And Stub Removal
Quality Control
PCBSAIL keeps strict quality control through:
- Incoming Material Inspection
- AOI Inspection
- X-ray Inspection
- Electrical Testing
Feature High-Speed PCB.
PCBSAIL offered a wide range of high-speed PCBs to support different electrical and mechanical requirements.
High-Speed PCB We Offer.
Hybrid High-Speed Multilayer PCB
Hybrid stackups combine low-loss laminates near high-speed signal layers with standard FR-4 materials for power or logic layers. It balances performance with cost efficiency.
- Low-Loss Cores Around SERDES Layers
- Standard FR-4 For Non-Critical Layers
- Controlled Impedance Routing
- Reduced Material Cost
Full Low-Loss High-Speed PCB
Full low-loss stackups use advanced materials throughout the PCB structure. Typical Materials:
- Megtron 6
- Tachyon 100G
- Isola I-Speed
- Other ultra-low-loss laminates
High-Speed Backplane PCB
Backplane PCBs are extremely complex multilayer boards designed to interconnect multiple high-speed modules.
- 20+ Layers
- Dual Stripline Routing
- Multi-Depth Back-Drilling
- Press-Fit Connectors
- Large Copper Power Planes
High-Speed Rigid-Flex PCB
Rigid-flex high-speed PCBs combine rigid board sections with flexible circuits to connect modules in compact enclosures.
- Reduced Connectors
- Improved Signal Integrity
- Space-Saving System Architecture
RF / Microwave Hybrid PCB
These PCBs integrate RF materials such as PTFE or hydrocarbon laminates with standard digital PCB layers.
Parameter | Capability |
Layer Count | 2–20 layers (two to twenty) |
Base Materials | Isola I-Speed, RO4350B |
Board Thickness | 0.8–2.4 mm (zero point eight to two point four) |
Copper Weight | 0.5–2 oz (zero point five to two ounces) |
Min Trace/Space | 75/75 μm (3/3 mil; seventy-five by seventy-five micrometers) |
Dielectric Constant (Dk) | 3.0–4.5 (three point zero to four point five) |
Loss Tangent (Df) | <0.005 @10 GHz (less than zero point zero zero five at ten gigahertz) |
Impedance Control | ±10% (plus/minus ten percent) |
Surface Finish | ENIG, Immersion Silver |
Quality Testing | TDR, AOI, E-Test |
Certifications | ISO 9001, UL, IPC Class 3 |
Lead Time | 7–15 days (seven to fifteen days) |
Engineering Solutions for High-Speed PCB Design and Fabrication
PCBSAIL provides comprehensive engineering solutions for high-speed PCB design and fabrication. With advanced material science, signal integrity modeling, controlled impedance manufacturing, and precision fabrication processes, we ensure consistent electrical performance from prototype through volume production.
1. Stackup Engineering
A well-designed stackup is the foundation of every high-speed PCB. Stackup configuration determines impedance control, signal delay, crosstalk behavior, and electromagnetic compatibility.
Key Stackup Design Considerations
- Controlled Dielectric Thickness
- Balanced Copper Distribution
- Reference Plane Placement
- Symmetrical Lamination Structure
- Differential Pair Impedance Targets
2. Material
High-speed PCBs require laminates with stable dielectric properties across a wide frequency range. We support advanced materials designed for high-frequency signal transmission.
Common High-Speed PCB Materials Include:
- Panasonic Megtron Series Laminates
- Tachyon High-Speed Materials
- Isola I-Speed Laminates
- Hybrid FR-4 / Low-Loss Stackups
3. Signal Integrity Optimization
Signal integrity is the most important design challenge in high-speed PCB systems. As signal speeds increase, factors such as reflections, crosstalk, and insertion loss can severely impact system performance.
PCBSAIL applies advanced signal integrity techniques to maintain clean high-speed signal transmission.
Controlled Impedance Routing
High-speed differential signals require precise impedance control. Typical impedance targets include:
- 85 Ω differential for high-speed memory
- 90 Ω differential for USB and PCIe
- 100 Ω differential for Ethernet and SERDES
Our controlled impedance manufacturing process maintains tolerance within ±5%.
Differential Pair Routing
Differential pair routing improves noise immunity and signal quality. Our engineering rules include:
- Tight pair spacing control
- Length matching
- Symmetrical routing structures
- Minimal via transitions
Crosstalk Reduction
High-speed signals routed close together may couple energy and interfere with each other. PCBSAIL mitigates crosstalk through:
- Ground reference planes
- Guard traces
- Proper trace spacing
- Via stitching techniques
4. Via Structure
Via structures significantly influence signal quality in high-speed PCBs. Improperly designed vias introduce impedance discontinuities that cause reflections and signal degradation.
PCBSAIL uses multiple via optimization techniques to improve signal performance.
- Back-Drilled Vias
Back-drilling removes unused portions of plated through holes (PTHs) that act as signal stubs.
Back-drilling is especially important for SERDES channels operating above 25 Gbps.
- VIPPO (Via-In-Pad Plated Over)
VIPPO technology allows vias to be placed directly in component pads.
- Microvia Technology
Laser-drilled microvias enable high-density routing and improved electrical performance.
These structures help connect dense BGA layers while maintaining controlled impedance.
5. Matching Control
High-speed signals require precise timing alignment between signal pairs. Any mismatch in trace length can introduce skew and degrade data integrity.
- Pair Length Tolerance Within 5–10 Mils
- Minimal Skew Across High-Speed Channels
6. Power Distribution Network (PDN) Optimization
High-speed digital systems require stable power delivery to support fast switching components.
Our engineer optimizes the Power Distribution Network (PDN) to reduce noise and maintain voltage stability.
A properly designed PDN prevents issues such as:
- Ground bounce
- Voltage droop
- Power supply noise
High-Speed PCB Feature
Our high-speed PCBs are engineered to maintain signal integrity, impedance stability, and electrical reliability across complex multilayer structures and high data-rate applications.
Exceptional Flexibility
We support a wide range of low-loss and ultra-low-loss laminates specifically designed for high-frequency signal transmission.
- Low Dielectric Loss (Df) For Reduced Signal Attenuation
- Stable Dielectric Constant (Dk) Across Wide Frequency Ranges
- Improved Signal Propagation Distance
- Excellent Thermal Stability
Controlled Impedance Accuracy
We provided tight impedance control within ±5% tolerance, ensuring stable signal transmission across differential pairs and transmission lines.
All boards are verified through Time Domain Reflectometry (TDR) testing to confirm compliance with design specifications.
Low-Roughness Copper Foil
We use Very Low Profile (VLP) and Hyper Very Low Profile (HVLP) copper foils to reduce conductor loss and improve signal transmission.
- Reduced Insertion Loss
- Improved Signal Reach
- Enhanced High-Frequency Performance
Reliable Performance
Our high-speed PCBs are designed to support demanding electronic systems where signal integrity and reliability are critical. Our manufacturing processes ensure consistent electrical characteristics, enabling reliable operation in high-speed environments.
High-Speed PCB Manufacturing
We follow a disciplined high-speed PCB manufacturing workflow that combines advanced materials, precision imaging, controlled lamination, and strict electrical testing.
Each stage of production is optimized to maintain controlled impedance, low insertion loss, and consistent signal performance across every batch.
Engineering Review
Our engineering team will review Design for Manufacturability (DFM) and Design for Signal Integrity (DFSI) to ensure the design can be manufactured.
Material Preparation
After design verification, the selected high-speed laminate materials and copper foils are prepared according to the specified stackup structure.
LDI
Next, the circuit patterns for each inner layer are created using Laser Direct Imaging (LDI) technology. After imaging, the copper layers are chemically etched to form the final signal traces.
AOI
After etching, each inner layer undergoes Automated Optical Inspection (AOI) to detect potential manufacturing defects
Lamination
Once inner layers pass inspection, they are stacked together with prepreg layers according to the PCB stackup design. The stack is then laminated under controlled heat and pressure in a multilayer lamination press.
Drilling and Via
After lamination, drilling processes create vias and component holes that connect different layers of the PCB.
Plating
After drilling, the holes are cleaned and plated with copper to create conductive connections between layers.
Back-Drilling
For high-speed designs, we will do back-drilling to remove unused portions of vias that create signal stubs.
Imaging and Etching
After via plating, the outer PCB layers are imaged and etched using LDI technology to create final signal routing and component pads.
Solder Mask and Surface Finishing
A solder mask layer is applied to protect the PCB and prevent solder bridging during assembly. After solder mask curing, a surface finish is applied to protect exposed copper pads and ensure reliable solderability.
Testing
Every high-speed PCB undergoes electrical testing to verify connectivity and performance.
Final Inspection
Before shipment, each PCB undergoes final quality inspection to ensure it meets all standards.
High-Speed PCB Applications
High-Speed PCBs play an important role in modern electronic systems where large volumes of data must be transmitted quickly and reliably.
Aerospace
Aerospace and defense demand extremely reliable electronics that can perform in harsh environments while handling complex communication tasks.
- Radar And Surveillance Systems
- Satellite Communication Equipment
- Flight Control Electronics
- Military Communication Systems
- Avionics Computing Platforms
Automotive Electronics
Modern vehicles are increasingly dependent on electronic systems for safety, automation, and connectivity. Many of these systems require high-speed signal processing and real-time data communication.
- Advanced Driver Assistance Systems
- Automotive Radar Modules
- In-Vehicle Networking Systems
- Autonomous Driving Control Units
- Automotive Infotainment Platforms
Industrial Automation
Industrial automation systems increasingly rely on high-speed data communication for precise control and real-time monitoring. High-speed PCBs enable rapid signal transmission between sensors, controllers, and processing units.
- Robotics Control Systems
- Industrial Networking Equipment
- Machine Vision Systems
- Automated Manufacturing Platforms
Medical Equipment
Medical technology often relies on high-speed electronic systems for real-time data acquisition and high-resolution imaging. High-speed PCBs help ensure accurate signal processing and stable system performance.
- MRI Scanners
- CT Imaging Systems
- Ultrasound Equipment
- Digital X-Ray Systems
- Medical Data Processing Hardware
Telecommunication
The telecommunications industry relies heavily on high-speed PCBs to handle massive volumes of data transmitted through wired and wireless networks.
- Network Routers And Switches
- Optical Communication Systems
- 5G Base Stations
- Fiber Optic Transceivers
- High-Capacity Backplane Systems
Data Centers
Modern data centers operate at extremely high data rates to support cloud services, artificial intelligence workloads, and global internet infrastructure. High-speed PCBs are essential for maintaining reliable communication between servers, storage systems, and networking equipment.
- Server Motherboards
- Network Interface Cards (Nics)
- High-Speed Switch Fabrics
- Storage Controllers
- GPU Accelerator Boards
Fast Quotation
Our professional sales and engineering teams provide fast PCB quotes and technical support. Simply send us your Gerber files, BOM, and assembly drawings, and we will respond promptly with a competitive solution.
- Gushu Tangxi Second Industrial Zone, Shenzhen
- +86 755 2335 0814
- +86 135 1078 8094
- sales@pcbasail.com
FAQ About High-Speed PCB
1. What is a High-Speed PCB?
A High-Speed PCB (High-Speed Printed Circuit Board) is a circuit board designed to support high-frequency or high-data-rate signal transmission while maintaining signal integrity.
When signal frequencies exceed approximately 50 MHz or digital data rates reach 1 Gbps and above, the PCB begins to behave like a transmission medium rather than a simple electrical connection. At this stage, factors such as trace impedance, dielectric properties, and via structures significantly influence signal quality.
High-speed PCBs are engineered to minimize:
- Signal reflections
- Crosstalk
- Electromagnetic interference (EMI)
- Signal attenuation
These boards are commonly used in telecommunications, high-performance computing, automotive electronics, aerospace systems, and medical equipment.
2. What Signal Speeds Require A High-Speed PCB?
A PCB typically requires high-speed design techniques when:
- Signal frequencies exceed 50 MHz
- Digital signals have rise times below 500 ps
- Data rates exceed 1 Gbps
High-speed PCBs are commonly used in systems operating at:
- 10 Gbps networking equipment
- 25–56 Gbps SERDES links
- 112 Gbps PAM4 communication channels
At these speeds, transmission line effects become dominant, requiring controlled impedance routing and low-loss materials.
3. Why Is Controlled Impedance Important In High-Speed PCBs?
Controlled impedance ensures that the electrical resistance of a signal trace remains consistent along its entire length.
If impedance changes occur, part of the signal may be reflected back toward the source, causing signal distortion and timing errors.
Maintaining controlled impedance helps achieve:
- Clean signal waveforms
- Reduced reflections
- Better signal timing accuracy
- Reliable high-speed data communication
Most high-speed differential signals are designed with impedance targets such as:
- 85 Ω differential for memory interfaces
- 90 Ω differential for USB and PCIe
- 100 Ω differential for Ethernet and SERDES
4. What Materials Are Used In High-Speed PCBS?
High-speed PCBs require materials with stable electrical properties and low dielectric loss.
Common Materials Include:
- Panasonic Megtron series laminates
- Tachyon high-speed laminates
- Isola I-Speed materials
- Hybrid FR-4 and low-loss laminate combinations
These Materials Provide:
- Low dielectric loss (Df)
- Stable dielectric constant (Dk)
- Improved signal transmission distance
- Better thermal stability
Material selection depends on the target data rate, signal length, and system requirements.
5. What Is Back-Drilling And Why Is It Used?
Back-drilling is a PCB manufacturing technique used to remove unused portions of vias, commonly called via stubs.
Via stubs can act as small resonant structures at high frequencies, causing signal reflections and signal degradation.
Back-drilling improves high-speed signal performance by:
- Eliminating via stub resonance
- Reducing signal reflections
- Improving signal integrity
This technique is commonly used in high-speed backplane PCBs and SERDES channels.
6. What Is The Difference Between High-Speed PCB And High-Frequency PCB?
Although the terms are sometimes used interchangeably, they refer to slightly different concepts.
High-Speed PCBs
- Focus on digital signal transmission
- Concerned with signal integrity and timing
- Common in computing and networking systems
- Focus on RF and microwave signals
- Concerned with electromagnetic wave behavior
- Common in wireless communication and radar systems
Some designs combine both technologies, especially in RF communication equipment and wireless infrastructure.
7. What Factors Affect Signal Integrity In High-Speed PCBs?
Several factors influence signal integrity in high-speed circuit boards, including:
- Trace impedance and geometry
- PCB material properties
- Via structures and stubs
- Copper surface roughness
- Differential pair routing accuracy
- Crosstalk between signal traces
- Reference plane continuity
Proper PCB design and manufacturing processes help minimize these issues and maintain stable signal transmission.
8. Can High-Speed PCBs support HDI technology?
Yes. Many high-speed PCBs incorporate High-Density Interconnect (HDI) technologies such as:
- Laser microvias
- Stacked microvias
- Via-in-pad structures
HDI technology allows designers to integrate high-pin-count components such as processors and FPGAs while maintaining controlled impedance routing.
9. Can PCBSAIL Offer Custom High-Speed PCBs?
Yes. PCBSAIL provides custom high-speed PCB manufacturing services tailored to specific project requirements.
Our Services Include:
- Stackup design assistance
- Controlled impedance fabrication
- Low-loss material processing
- Back-drilling and microvia structures
- High-speed PCB assembly services
Our engineering team works closely with customers to ensure that each PCB meets both electrical performance and manufacturing requirements.
Dynamic flex designs are commonly used in hinges, robotics, and camera modules.