High-frequency PCB

Your Professional High-frequency PCB Manufacturer！

Shenzhen Tontek Circuits Co., Ltd, one of China's leading printed circuit board (PCB) manufacturers, was founded in 2006. The company has established core product advantages in high-density interconnect (HDI) PCBs, any-layer HDI PCBs, multilayer PCBs, high-frequency PCBs, high-speed PCBs, RF antenna PCBs, and ultra-fast storage SSDs.

Phased Array PCB
Phased Array Circuit Boards are highly complex, integrated, high-frequency/high-speed electronic system carriers. Their essence lies in precise multi-channel phase/amplitude control capability,...
read more
Antenna Circuit Board
High-Frequency Antenna PCB is a specialized circuit board integrating antenna radiators and RF transmission lines for GHz+ applications.
read more
Hybrid Dielectric PCB
A Hybrid Stackup High-Frequency PCB is a specialized type of multi-layer printed circuit board. Its defining characteristic is the integration of different substrate materials (laminate) with...
read more
PTFE Multilayer PCB
PTFE Multilayer PCBs utilize polytetrafluoroethylene (PTFE) as the substrate, laminated into multilayer structures via specialized processes. PTFE's ultra-low dielectric loss, exceptional...
read more
Cavity Circuit Board
A Cavity PCB features precision-machined recesses within or on the substrate surface to embed ICs, passives, or thermal modules. By eliminating SMT solder height, it enables:
1....
read more
Flexible High Frequency PCB
Flexible High-Frequency PCBs utilize specialized polymer substrates (e.g., LCP/modified PI) with precision microstrip lines to transmit high-frequency signals (up to 110GHz) under bending...
read more
Antenna High Frequency PCB
An Antenna RF PCB is a hybrid circuit board engineered for high-frequency signal transmission and electromagnetic wave radiation, characterized by:
1. Efficiently propagate RF/microwave...
read more
Microwave High Frequency PCB
A Microwave PCB is a specialized circuit board engineered for 300 MHz ~ 300 GHz frequencies, serving two core functions:
1. Signal Transmission: Propagate microwave signals with minimal...
read more
Rogers High Frequency PCB
Rogers RF PCB refers to circuit boards fabricated with Rogers Corporation's proprietary substrates, engineered for RF/ microwave/ mmWave applications (0.5-110 GHz). Their core value lies in:...
read more
Low Noise High Frequency PCB
Rogers Low-Noise RF PCB refers to circuit boards fabricated with Rogers Corporation's proprietary substrates, engineered for high-frequency receive systems and sensitive signal chains. Their...
read more
Amplifier High Frequency PCB
An Amplifier RF PCB is a specialized circuit board engineered for RF/microwave power amplifiers (PAs), characterized by:
1. High-power Handling: Delivers 10W~10kW at 0.5-6GHz with ±2%...
read more
High Frequency Thermal Management PCB
A High-Thermal-Conductivity Hybrid RF PCB is a multi-material laminated circuit board engineered to simultaneously achieve:
1. Low-loss RF transmission (e.g. Rogers RO3003™, tanδ<0.0013...
read more

First 12 Last

Why Choose Us

Our Factory

With its marketing center located in Shenzhen, the company operates one PCB design center, two PCB manufacturing plants, and one SMT assembly factory, situated in Nanchang, Jiangmen, and Shenzhen respectively.

Quality Assurance

In terms of quality assurance, the company strictly follows the standards and norms of the industry quality system. Adopt industry-leading testing equipment to ensure product quality and good reputation.

Our Certificate

We has ISO9001, ISO14001, ISO13485, IATF16949 and UL approved.

Item		Batch Capability	Sample Capability
Min. Line Width/Space	Inner Layer	3.0/3.0 mil	2.5/2.5 mil
Min. Line Width/Space	Outer Layer	3.0/3.0 mil	3.0/3.0 mil
Etch Factor		2-3	≥3
Line Width Tolerance		±20%	±15%
Legend/Silkcreen		Char. Height：0.7mm Char. Width：0.13mm	Char. Height：0.6mm Char. Width：0.10mm
Registration Accuracy	Within Same Core	±30um	±20um
Registration Accuracy	Layer to Layer	±5mil	±4mil
Number of Layers		30	68
Lamination Thickness		≤5mm	≤10mm
Multilayer Thickness Tolerance		±10%	±8%
Max. Size	Double-Sided Board	570mm ⅹ 690mm	600mm ⅹ 1200mm
Max. Size	Multilayer Board	550mm ⅹ 650mm	550mm ⅹ 1200mm
Mechanical Drill Hole Size		0.2mm-6.4mm	0.15mm
Finished Hole Size Tolerance		±0.1mm	±0.075mm
Mechanical Holes	Hole Position Accuracy	±2mil	±1mil
	Back Drill Depth Tolerance	±2mil	±1.5mil
	Back Drill STUB Length	2mil-6mil	2mil-4mil
Impedance Control		±10%	±8%
Depth Control for Blind Cavity Tolerance		±0.15mm	±0.10mm
Aspect Ratio		11:1	26:1
Inner Layer Annular Ring		≥0.2mm	0.1mm
Outer Layer Annular Ring		≥0.2mm	0.1mm
Inner Layer Isolation Ring (Anti-pad)		≥0.3mm	0.25mm
Resin/Copper Flug	Through Hole	Hole Size≥0.2mm, Aspect Ratio3:1-10:1	Aspect Ratio12:1
	Back-drilled	Back Drill Depth≥0.25mm	Back Drill Depth0.18mm
	Hole to Slot Distance	≥0.5mm	0.3mm
Solder Mask	Registration Accuracy	0.1mm	0.08mm
Solder Mask	Solder Mask Dam/Bridge Width	0.1mm	0.08mm
Warp and Twist		≤0.75mm	0.5mm
CNC	Fabrication Accuracy	0.1mm	0.05mm
CNC	Slot Size	≥1mm	0.5mm
Commonly stocked high-frequency materials
Common Microwave Materials	DK 2.2-3	RO5880、TLY-5/8、AD255/300、RO3003、RT6002、CLTE-XT(With embedded resistors)、TSM-DS3(With embedded resistors)、RO4730JXR；Made in China: RS300、RS300T、F4B-2、FSD220
	DK 3-6.15	AD350、TC350、RF35A、RO4350B、RO4003C、RO6006、 RO4360G2、AD600、 RO3006; Made in China: RF35A、RF60TC
	DK 6.15-13	RO6010、RO3010、AD1000、CER-10、TMM10i 、TMM13i; Made in China: RA1000、RC1000
	Prepreg	Cuclad6700、RO3001、Fastrise27/28、RO4450F
	Metal-based materials	Copper substrate、Aluminum substrate

High-frequency PCB - Overview

A high-frequency PCB (HF PCB) is a specialized printed circuit board designed to handle signals in the radio frequency (RF) range, typically operating above \(100\) MHz and extending to gigahertz frequencies. These boards are built with specific materials and design considerations to minimize signal loss and impedance mismatch, making them crucial for applications like wireless communication, radar, and satellite systems.

Features of High-frequency PCB

Low dielectric constant (Dk): Reduces signal delay and improves frequency transmission. In most cases, a lower Dk is preferred as high Dk can cause signal transmission delays.

Low loss factor (Df): Minimizes signal loss and improves signal transmission quality. A lower Df results in lower signal loss.

Coefficient of thermal expansion (CTE): This should ideally match that of the copper foil to prevent separation during thermal fluctuations.

Low water absorption: High water absorption can affect Dk and Df, especially in humid environments.

Good thermal resistance, chemical resistance, impact resistance, and peel strength are essential.

Applications of High Frequency PCB

High frequency PCBs are used in projects with complex electronic circuits where rapid data transfer rates are needed. Below are some examples where they are used:

Medical electronics, including monitoring and diagnostic equipment

Cell phones, GPS devices and RF remote controls

Communication systems including receivers, filters, amplifiers, couplers, radars, antennas

Automotive

RF microwave

Military and aerospace

Make Process

Material Selection
The first step is choosing materials that can handle high-frequency signals. Materials like PTFE, Rogers, or ceramic substrates are commonly used because they have lower dielectric constants, low dissipation factors, and better thermal stability. These materials ensure minimal signal degradation.

Controlled Impedance
High-frequency signals are sensitive to variations in impedance. Controlled impedance design ensures that the trace impedance matches the signal's requirements, preventing reflection and signal distortion. This involves calculating the width and spacing of the traces and ensuring consistent dielectric properties across layers.

Multi-layer PCB
Multi-layer boards are often necessary for high-frequency applications to separate signals and reduce cross-talk. Ground planes are typically added to lower electromagnetic interference (EMI) and provide better signal grounding.

Short and Direct Signal Paths
Keeping signal paths as short as possible helps minimize signal loss and prevents unwanted interference. Traces that are too long or involve sharp bends can introduce delay and noise.

Shielding
In some cases, shielding techniques can be employed to prevent interference from other electronic components. This can include grounded planes, copper shields, or even encapsulating certain areas of the PCB.

Certificate

Package & Delivery

Package: Standard export package or Custom
Delivery: By air express, by sea

productcate-1-1

FAQ

Q: What are the three main types of PCBs?

A: The three primary types of PCBs are single-sided, double-sided, and multi-layer boards, each with its characteristics, advantages, and limitations.

Q: What is the difference between high-speed and high-frequency PCB?

A: High-frequency PCBs focus more on signal transmission and attenuation, while high-speed PCBs pay more attention to signal integrity, timing, and noise issues. Therefore, selecting the appropriate PCB type based on specific application requirements will help ensure circuit performance and reliability.

Q: Do PCBs need to be grounded?

A: Grounding is crucial for any system with an electrical current, including printed circuit boards (PCBs). PCBs are critical components for most electronic devices, and they require proper grounding to ensure device function.

Q: What are the main components of a PCB?

A: These PCB components include transistors, fuses, resistors and capacitors, which all play their part to ensure we have a smooth-running device – if one of these components fails, the entire PCB will fail to work and thus affect the functionality of the product itself.

Q: Are you manufacturer or trading company?

A: We are manufacturer.

Q: What's your best delivery time?

A: Within 15-30 days.

Q: What is the quality control of your product?

A: Follow strictly quality control measures for implementation,

Q: Will your company provide free sample?

A: It depends on which sort of item you want to get. Some can be provided free of charge, however, the client shall assume the shipping fees himself.

Q: Is OEM open to clients?

A: Yes, we can provide both OEM and ODM service.

Q: How can our company be your distribution partner?

A: We welcome you to be our distributor. For further details, please contact us.

Q: What is the payment of sample?

A: T/T and Alipay both acceptable.

Q: What is your packing?

A: Yes, our packaging is genuine original packaging. Of course, we can also provide neutral packaging or according to your requirements

Q: What is your sample policy?

A: If we have stock, we can provide samples, but the customer must pay the sample fee and express fee Question

Q: Have you tested all your goods before shipment?

A: Yes, we will conduct 100% test before delivery, and we will send detailed photos of parts for your approval Question .

Q: How can you maintain a long-term good relationship with our business?

A: We maintain good quality and competitive prices to ensure the interests of our customers.

As one of the most professional high-frequency PCB manufacturers and suppliers in China, we're featured by quality products and low price. Please rest assured to buy cheap high-frequency PCB from our factory.

DSC02843-02848, DSC02968-02974, Low Noise High Frequency PCB