Name: FPGA High-Speed PCB
Brand: PCB Printed Circuit Board and PCBA manufacturing
Availability: InStock
Rating: 5 (1 reviews)

FPGA High-Speed PCB

Product Model: FPGA High-Speed Control Circuit Board

Substrate Material: High-Tg 180℃ laminate

Layer Structure: 10-layer multilayer board

Finished Board Thickness: 1.6 mm

Copper Weight: 1 oz (inner layers) / 1 oz (outer layers)

Solder Mask & Silkscreen: Blue solder mask with white text

Minimum Line Width / Spacing: 4 mil / 4 mil

Surface Finishing: Hard gold plating, 5μ"

Application: High-speed signal circuit for FPGA modules

Description
Data Sheet

What Are High-Speed Circuits

A digital circuit is typically regarded as high-speed when its operating frequency reaches 45MHz to 50MHz or higher, and such high-frequency circuits make up a considerable proportion — such as one-third — of the entire electronic system.

In practice, the harmonic components generated by signal edges are often much higher than the fundamental frequency of the signal itself. Abnormalities in transmission are mainly caused by rapid rising and falling edges of digital signals. For this reason, a widely accepted standard is: when the transmission delay of a signal on a trace exceeds half the rise time of the driving end, the signal is classified as a high-speed signal and will exhibit obvious transmission line effects.

Signal transmission takes place at the moment of level switching, during the rising or falling edge. A signal requires a certain amount of time to travel from the driver to the receiver. If this propagation time is less than half the rise or fall time, the reflected signal from the load end will return to the source before the signal state changes. Otherwise, the reflection will arrive after the state has switched. Strong reflections may distort the combined waveform and even cause unintended logic flipping.

FPGA High-Speed Circuit Boards

The idea of high-speed PCBs originally came from a rather subjective perception among design engineers. In the early days of digital circuits, signal speeds were low, and basic PCB routing was sufficient for stable operation. As data rates kept increasing, traditional layout methods gradually failed, leading to frequent signal and functional issues. As this experience became more common, the term “high-speed PCB” gradually emerged. The definition of “high speed” was initially vague, and later interpretations were often added to formalize a concept that originally came from practical engineering intuition.

Our practical view is simple: for real engineering projects, overemphasizing conceptual definitions is unnecessary. What really matters is ensuring that the PCB performs reliably, avoids functional failures, and supports on-time delivery. This reduces debugging pressure for design engineers, allows products to launch on schedule to capture market opportunities, and helps equipment manufacturers avoid delivery delays and related losses.

Therefore, instead of debating abstract definitions, we focus on solving real phenomena: signal distortion, waveform abnormalities, and system instability. These risks exist in many modern circuit boards, and our core goal is to effectively eliminate them at the design stage.

Model: FPGA high-speed circuit board

Material: TG180

Layer: 10Layers

Finished Thickness: 1.6mm

Copper Thickness: Inner/outer 1OZ

Color: Blue/white

Min Trace/Space: 4mil/4mil

Surfacet Treatment Hard Gold 5U

Application: FPGA high-speed PCB

FPGA High-Speed PCB

Description

Data Sheet

What Are High-Speed Circuits

FPGA High-Speed Circuit Boards