Leading the way for over 40 years
At Mer-Mar Electronics, we are known to be at the forefront of adopting the latest technologies and offering the most cutting-edge PCBs. Little surprise then that High Frequency PCBs are an important aspect of our portfolio. With our state-of-the-art equipment and expert team, you can rest assured that we are well-poised to meet the evolving requirements of our consumers.
A high-frequency circuit board is known for its quick signal flow rates as also its frequency range of up to 100 GHz. Some of the characteristics of High Frequency PCBs include:
Low Dissipation Factor
The dissipation factor of High Frequency PCBs is typically between 0.0019 and 0.025. This means that the signal transmission rate isn’t impacted and that signal transmission loss is minimized.
Low dielectric constant
Once again on account of a low dielectric constant there is less signal delay as also higher rate of frequency emission.
Chemical resistance
High Frequency PCBs are known for their high chemical resistance. This makes them less susceptible to corrosion.
Low moisture absorption
With its low moisture absorption such boards are ideally suited for use in humid environments.
Low levels of thermal expansion
With low dimensional stability, such PCBs are suited to be used in environments with high temperatures.
With complex electronic components requiring quick signal rates and high transmission frequencies, the use of such boards has become ubiquitous.
Some of the other advantages of high frequency circuit boards offer, include:
- They enable designers to achieve improved signals, high functional density in a small size and at reduced costs.
- They are also provided with ground plane and help reduce emissions of electromagnetic waves and maintain signal quality.
At Mer-Mar Electronics, we ensure that we follow the best practices whereby crosstalk and skin effect are avoided. To do this, the distance between the plane and the trace layer is minimized. It is also ensured that the length and the trace width of the board is selected in a manner that the board isn’t heated at high frequencies.
Why is Mer-Mar Electronics a one-stop-shop for
High Frequency Circuit Board Requirements?
State-of-the-art facility – We are distinctly ahead of the curve when it comes to offering the most cutting-edge PCBs. This is made possible on account of our superior facility as well as an experienced team of professionals.
Access to industry best practices – Armed with industry best practices we ensure we offer quality PCBs that are extremely reliable. The fact that our boards adhere to highest industry standards and that our testing mechanisms are extremely robust, stand testimony to our commitment to quality.
Prototype quantities to full production runs – You can count on us for all your volume requirements. With Mer-Mar Electronics as your partner, scaling up is extremely easy.
Quick turnaround time – Sure enough you need your PCBs quickly to facilitate quick go-to-market. At Mer Mar Electronics we are extremely committed to offering you fast turnaround times without compromising on quality.
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High Frequency Circuit Board Design
When it comes to high frequency circuit board designs, it is an extremely specialised job. Whether it is paying attention to crosstalk or Increasing the high frequency decoupling capacitance, there are a number of design elements that need to be taken into account to ensure it. At Mer-Mar Electronics our highly competent design services have you covered. The assembly team will also recommend changes to ensure the design’s manufacturability. These recommendations ensure you avoid costly errors.
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Irrespective of whether you need a rigid or flexible high frequency circuit board, you can be assured of high quality at Mer-Mar Electronics. We are well-poised to offer multilayered PCBs as per the bespoke requirements of your project.
Different surface finishes
Count on our experts to advice you on the surface finishes that will do justice to your boards depending upon the environment in which they will be deployed. You can count on us to offer surface finishes such as immersion tin, gold and silver.
High Frequency PCB Repair & Rework
Should you need any assistance with repair or rework of high frequency PCBs, you can count on our experts for meticulous repair and rework. With our high degree of precision you can rest assured that your PCB will be as good as new.
The process of fabrication of High Frequency Circuit Boards, involves the following steps:
Make a PCB design: In making the design it is important that aspects such as the voltage and power demands are ascertained. It is also important to check if different signals can be accomodated.
Inability to look at these aspects can ruin the device’s performance and cause it to fail its validation tests. Some of the design aspects that need attention include:
- Layout parameters
- Board layer stackup
- Controlled impedance
- PCB pad stacks and footprints
Some design rules that need to be followed for high frequency PCBs include:
- Follow miminum spacing rules
- Trace routing
- Power and ground planes
The next step would be to understand the specific constraints and accordingly choose the material for your circuit board.
Print copper for the inner layers: After printing the PCB on the laminate, copper is pre-bonded on the laminate that serves as the PCB structure.
Layers alignment: For a multilayered PCB, it is important that the layers be aligned. The holes are used to arrange both the outer and inner PCB layers.
PCB layers lamination: This step involves laminating the PCB. A metal clamp is useful in joining the layers.
Drilling: Next comes the process of drilling in order to secure the circuit board. Once the process of drilling is complete, the next step involves filing the excess copper.
Plating: Prior to the process of plating, the board is thoroughly cleaned. The chemicals applied post that help in plating the PCB
Solder masking: An epoxy ink and solder film is next applied to the PCB.
Screening and silk screen: The plating process comes next where the PCB is plated with HASL, silver or gold. Post plating a silkscreen is applied.
Testing: This is an extremely important step where robust testing mechanisms are applied to ensure the efficacy of the PCBs.
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High Frequency PCBs Capabilities
At Mer-Mar Electronics, we have the following capabilities that ensure we deliver cutting-edge PCBs:
- Materials: RO4350B, RO3003, RO4003C, RO3010, RT5880
- Board sizes: from 6mm*6mm to 475mm*475mm
- Board thickness: 0.3–5mm
- Number of layers: 3 to 25
- Silkscreen colors: yellow, white, red, green
- Impedance tolerance: ~10%
- Surface finishes: Immersion tin, gold, silver
- Copper weight: 0.5–2 pounds
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High Frequency PCBs find a wide range of application in industries such as:
- Defense
- Aerospace
- Medical
- Telecommunication
Some specific application areas of High Frequency PCBs include:
- Satellite systems
- Fire alarm systems
- Computers
- X-ray equipment
- Diagnostic equipment
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Looking for High frequency PCB manufacturing, PCB design for high frequency, multilayer high frequency PCB assembly or any custom high frequency PCBs for your next project? Send us inquiry to Get a Quick Quote based on your custom requirements.
If you have any queries regarding to our high frequency PCBs or need an urgent assistance, then please don’t hesitate to contact our team of skilled personnel’s. Send us an email with your queries at sales@mermarinc.com or call us at (760) 244-6149. We are looking forward to hearing from you.
