Skilled Schematic PCB Fabricator in China

World-Class Schematic PCB by PCBMay

PCBMay is one of the pioneers of PCB fabrication and Schematic PCB services in China. After more than 12 years in the business, we offer the best there is in any kind of PCB product or service.

• Increase flexibility in your PCB design
• We use updated software (CAD, Protel, Eagle, Kicad, etc.)
• Support needed PCB production line output
• Good use of space to fit components
• Assure sound PCB routing process

Our premium Schematic PCB utilizes professional software. More importantly, our reliable crew of engineers makes it possible to make a PCB customized for you, end-to-end.

Schematic PCB fabrication begins with your specific needs as a customer. We offer OEM PCB and/or ODM PCB. This means that we can make a huge number of PCBs for you, whether Rigid, Rigid-Flex, or Flex PCBs. In fact, PCBMay specializes in Quick-turn PCBs, in case your need is very urgent.

In addition, if you are looking for Loadboard PCBs or Prototype PCBs, we have these available as well. The standard material we use is FR4 Fiberglass. However, you have all other options available, for example, Ceramic material or FR5.

For your Schematic PCB design to be complete, your surface finish can be HASL, Immersion Gold, ENIG, ENEPIG, among others. As you see, we will outfit you with whatever PCB needs you to desire.

For customer service, nobody can beat our 24/7 availability. Our sales team is ready to take your order or give you a quick quote. We are easy to talk to, just contact us, and you’ll find out.

PCBMay is a world-renowned brand for Schematic PCB. So, why go elsewhere? Inquire from us now!

Schematic PCB: The Ultimate FAQ Guide

A well-designed Schematic PCB is the best solution to improve the quality of an electronic device. It ensures increased flexibility along with superb component placement in advanced electronic circuits.

PCBMay is the most reputable Schematic PCB service provider in China. We offer ODM and OEM services for this circuit board with supreme reliability. You will get all information about the PCB schematic from this FAQ guide. Let’s make a move to achieve a deep understanding of this PCB.

What Is Schematic PCB?

Schematic PCB is an effective circuit board that ensures the best use of electrical components. It contains a simplified arrangement of components. This PCB offers an easy representation of entire electric circuits.

Schematic is the preliminary part of the PCB design. It usually informs about the connectivity and functional properties between different PCB components. A properly executed PCB schematic provides superlative durability and functionality to electronic applications.

Schematic PCB Design

It also increases the compatibility of circuit boards with versatile complicated designs. That’s why schematic PCB is the ultimate choice for multilayer and high-frequency projects in recent times.  Watch this video to get a better knowledge about schematics:

What Are The Differences Between Layout And Schematic In PCB Design?

In terms of Printed circuit board design, schematic and layout have some concrete differences. You need to know the variances between these two to properly realize the PCB design and optimize the electronic devices.

PCB layout is the illustration of physical connections between the PCB components. You will find the real location of each PCB component through a PCB layout. Besides, it portrays the wiring between both passive and active components. You can clearly understand the wire connections when you notice a layout.

But, the schematic does not provide the exact placement and connections of PCB components. Schematic PCB generally tells you about the logical connections of electrical components used in a device. It never delivers information about the physical associations of these elements.

The PCB schematic consists of a netlist. It is actually a simplified version of the data structure. Netlist contains the list of all connections of a circuit board concerning the schematic PCB design.

Though layout and schematic are not the same, it is required to create a sink between them. Schematic to PCB layout converter takes care of this sinking issue. Otherwise, this circuit lacks the consistency that is not good for your business.

Schematic In PCB Design

Which Schematic PCB Symbols Are Used In PCB Designing?

Schematic PCB represents the layout and current of an electric circuit. It is important for the designer to create a successful schematic before starting PCB design. Various symbols are used in the PCB schematic to deliver an outline of the circuit board design.

Symbols Of Capacitor Used In Schematic PCB Diagram

Such as:

• Homogenous symbols: Resistors, capacitors, transistors, etc
• Heterogenous symbols: FPGA, microprocessors, etc.
• Power and ground symbols.

In most cases, schematic PCB symbols are used in portraying the PCB components. But, these symbols have other significant uses. The designers apply schematic symbols in depicting the test points, ground rails, etc.

Besides, these symbols include mounting holes in the PCB design. You can use them in identifying the current path, which means the direction of current conduction in the PCB layers.

Schematic PCB symbols are authorized by reliable international organizations like IPC, IEEE, IEC, etc. You can also find trustworthy PCB footprints from IPC and IEC. Effective schematic to PCB online footprints are required for ensuring optimum performance of this circuit board.

Schematic PCB Symbols

How To Make Conversion Between PCB And Schematic Diagram?

To ensure proper PCB manufacturing, it is required to convert the Schematic PCB diagram to the PCB file and vice versa. Now, we are going to explain the detailed process of conversion between PCB and the schematic diagram.

• The first step is to prepare at least two computers. One computer is used for drawing purposes and the other to see the PCB documents.
• Check the PCB layout and make a complete analysis based on the observation.
• Then, a skilled engineer divides the circuit into different segments according to the layout design.
• The next step is retrieving all necessary PCB components in the circuit unit. This step requires adequate experience and skill for achieving the highest output.
• Then, establish a link between two computers after highlighting the PCB components.
• When the linking completes, remove the network used for making this conversion.
• This process should be conducted multiple times for completing the whole conversion. You need to continue it until all PCB documents get removed properly.
• Thus, you can convert the PCB file to the schematic diagram. Now, the last thing is to optimize the schematic.

Schematic Diagram And PCB Conversion

What Is The Reliable Schematic PCB Design Software?

Altium Designer, Eagle, KiCAD, etc software are used in designing schematic PCBs. Schematic to PCB Altium offers better design accuracy and reliability in converting schematic PCB layout.

In the case of Altium Designer, a designer has useful design libraries and tools for dealing with multilayer designs. This schematic PCB software is a reliable schematic to PCB layout converter.

In some cases, schematic to PCB Altium causes problems in sinking layout and schematics. But, you can prevent that issue by taking the necessary measures.

Schematic PCB Design In Altium Designer

How To Design A Schematic PCB?

Schematic PCB significantly affects the performance of electrical projects from manufacturing aspects. So, it is very important to design schematic to PCB layout with superlative effectiveness.

Here, a step-by-step guideline is given for you. It contains instructions for designing schematic diagrams by using a schematic and PCB design software.

Determine Page Size And Naming

You need to set the page size according to your schematic design. In most cases, the designers prefer A4 size pages.

Besides, there is a convention for page naming. You should follow the convention-

• A-Block Diagram
• B-Power Supply
• C- MCU Interface
• D- Memory Interface, and so on.

This naming convention is effective for improving the readability of schematic to PCB online.

Set The PCB Grid

It is required to keep the components and their connections on the grid. The grid setting is helpful for making the referencing of PCB components easier. That’s why you need to give priority to grid settings for designing schematics for PCBs.

Page Title

This title block contains the information related to the page size, update date and time, revision, etc.

Drawing Block Diagram

Then, draw the block diagram of the schematic design. It helps to realize the signal flow and entire design. It is preferable for the designer to use a hierarchical schematic PCB design. This design method reduces the complexity of electronic circuit modules.

Refer to The PCB Components

Now, it is required to refer to the components by using proper designators. These designators must be approved by IEEE. Don’t forget to use capital letters for component referencing.

Schematic Symbols

After completing the referencing properly, you need to generate the component’s symbols. Always try to use built-in symbols in schematic PCB design.

Net Connections

You should follow the standard rule for network connections. Always apply a junction dot when two wires have a shared connection.

Net Connection Rule For PCB Schematic Diagram

Labeling

During the net labeling, try to use short names. Apply uppercase format for writing the signal names. You should be aware of open or short connections and remove them as soon as you find these issues.

Component Placement

While placing components on a schematic PCB design, always follow the instructions of the PCB manufacturer. You can check the schematic to PCB Altium Designer in this case.

Check The Design

When you complete the component placement successfully, check the logical connections of the schematic design. This checking is conducted through the rules of the schematic to PCB online.

Here, pin numbers and polarity of each PCB component should be set concerning the datasheet. Besides, check the off-page connectors of the schematic diagram. Thus, you can achieve a flawless schematic PCB design. It promotes the performance of your electronic applications.

Schematic Circuit Board Design

What Are The Notable Advantages Of Schematic PCBs?

Schematic PCB improves the features of electric circuits. A properly designed schematic diagram offers numerous advantages to basic and advanced electronic appliances. Its most notable benefits include-

• It improves the readability of PCB  layout designs. So, the whole design becomes very easy for the designer.
• This circuit board is appropriate for the smooth conversion of the schematic to the PCB layout. It develops the functionality of PCB components to a large extent.
• If you ensure a flawless schematic diagram to PCB layout, the longevity of your products is also increased.
• This PCB enables the designer to conduct DRC (Design Rule Checking). Various schematic and PCB design software are used in finding defective portions of a schematic diagram.
• Schematic to PCB layout converter acts to sink the schematic and layout properly. This benefit promotes the durability of electronic products.
• Schematic PCB software makes the design convenient to the designers. That’s why they can design multilayer schematic diagrams and high-speed PCBs with superb reliability.
• Schematic capture is an effective way to develop the performance of printed circuit boards. It allows simplified and compact component arrangement in high-volume PCB manufacturing. Schematic capture and PCB layout are easy to achieve in ODM PCB assembly.
• If you properly execute the conversion from Schematic to PCB, you can give a drive for large-scale PCB productions.

Which Components Are Used In The Schematic PCB?

Schematic PCB consists of different functional components. These components maintain constant signal flow in the PCB layers with superb efficiency.

There are versatile components found in the schematic diagrams to the PCB layout. Among them, you can find both active and passive components.

Active PCB Components

• Transistors
• The operational amplifier (Op-amp)
• Logic gates
• Diodes
• Processor integrated circuit
• Field programmable gate array (FPGA)

Passive PCB Components

• Capacitors
• MOSFET
• Inductors

Besides, numerous connectors are used in schematic circuit board designs.

Schematic PCB Components

How To Mount Components In Schematic PCB Assembly?

Schematic PCB design supports surface mount and through-hole components based on the design requirements. You need to draw the schematic correctly and then convert it into the PCB design for the optimum component mounting.

In the case of surface mount devices, you should consider the readability of compact designs. SMT is supportive of miniature designs. So, you need to draw the schematic in such a way that physical connections between PCB components become flexible and reliable.

While you are dealing with THT in schematic designs, you should keep in mind the robustness of components. It is important to maintain the logical connections properly to ensure smooth mounting of through-hole components.

PCB Component Mounting

What Are The Vias Used In A Multilayer Schematic PCB?

Different types of PCB vias are applicable in multilayer schematic PCB design. The most used vias in multilayer schematic diagrams are-

• Buried via
• Plated through-hole
• Via-in-Pad
• Thermal via
• Blind via
• Staggered via.

All of these PCB vias are effective for ensuring heat dissipation properly. Besides, Vias offers improved signal flow, developed current conduction in multilayer circuit boards.

Schematic PCB Vias

How To Choose A Reliable Schematic PCB Manufacturer?

To design a schematic diagram to PCB layout, you require an experienced manufacturer. You must keep in mind the following issues while choosing a reliable schematic PCB fabricator.

• Huge expertise in designing schematic diagrams.
• The capability of producing different electronic gadgets through schematic capture and PCB layout.
• Skilled engineers for designing schematic circuit boards certified by IPC, IEEE, etc.
• ODM and OEM assembly facilities.
• Affordable manufacturing cost
• Smart and reliable customer service.

We offer the most trustworthy service for designing a schematic diagram to PCB layout. Our schematic PCBs are designed through a reliable schematic to PCB layout converter. We also assure you of providing schematic PCB designs at reasonable prices.  So, inquire about us immediately to get the best schematic designs for your PCB-based projects.

Why Reverse Engineering Is Important For Schematic PCBs?

Reverse engineering is a useful technique to get the prototype design in schematic PCB. It allows the designer to work with a circuit board similar to the original PCB in terms of working principle. Reverse engineering is important for PCB  schematic diagrams from many aspects. Such as:

Understanding Of PCB Design

PCB reverse engineering enables you to acquire deep knowledge about schematic PCB design. You will get a sufficient idea about how PCB components are logically connected to the circuit board.

Schematic PCB Reverse Engineering

Replacing Defective Components

It is effective for replacing obsolete and vulnerable components at a low cost. That means PCB reverse engineering significantly improves the circuit board performance.

Design Copy

You can make a design copy of complex circuits by using this technology. Like very large-scale integration is supportive of reverse engineering. So, you need to ensure that there is no slightest deviation of design. Otherwise, it may suffer from a lack of functionality.

All of these benefits make this reverse technology beneficial to a schematic diagram to PCB layout. You should watch this video about PCB reverse engineering:

How Can You Reduce The Cost Of Schematic PCB Assembly?

You can reduce the schematic PCB assembly cost without compromising quality. You need to maintain some rules for this case. Like-

Schematic Design Optimization

An optimized schematic circuit board design is supremely cost-effective. It cuts the additional costs for improper placement of PCB components, vias, layer counts, etc.

Reliable Fabricator

A reliable schematic PCB fabricator can deliver the PCB assembly at reasonable costs. If you can choose a trusted schematic PCB manufacturer, it manages the schematic to PCB online. It is effective for lowering design costs.

Component Sourcing

Proper component mounting relieves you from frequently replacing the PCB components.

Effective Bill Of Material

A complete and effective bill of materials (BOM) eliminates the extra cost for schematic PCBs. You should include necessary topics like component replacements in BOM.

Inspection

Automated inspections are highly expensive. So, you should conduct a reliable electrical test along with functional tests for ensuring proper inspection.

Proper Lead Time

It is required to decrease the lead time for achieving the highest result from this PCB. Make sure that the PCB manufacturer can deliver the products within the proper lead time.

What Are The Major Uses Of A Multilayer Schematic PCB?

Multilayer schematic PCB promotes the electronic device’s performance in many ways. Schematic diagram to PCB layout offers immense support for high layer count in electronic applications.

Multilayer circuit boards are used in countless fields. The major applications of these schematic circuit boards are-

• High-frequency electronic devices
• Commercial equipment
• RF designs
• Microwave
• Home appliances
• Motherboard
• Military instruments
• Machinery used in the aerospace industry
• Solid-state devices
• VLSI-based applications.

Applications Of Schematic PCB

Which Things Do You Need To Know For Designing A Flexible Schematic PCB?

Flexible schematic PCBs have become polar recently in the electronic world. Its design is not totally different from other schematic designs. But, these circuit boards have some differences from design perspectives.

That’s why you need to be aware of some matters for designing this PCB schematic. Such as:

• Ensure sufficient flexibility for using this circuit board in static and dynamic applications. Sometimes, you need to use flexible schematic diagrams in frequently movable environments. Then, you must consider that these circuits can tolerate stresses during movement.
• It is appropriate for single-sided component mounting during PCB assembly.
• Use larger PCB vias, traces, pads, and spacing to avoid complications during soldering.
• Keep the PCB traces and vias far away from the bending portion of the circuit board.
• Apply stiffener on both sides of the schematic PCB. It keeps the solder connections intact.

Flexible Schematic PCB Board Design

What Are The Common Failure Modes Of Schematic PCBs?

It is very unpleasant for a consumer to see a schematic PCB that can’t function properly. There are multiple failure modes of schematic capture and PCB layout. These common failure modes cause malfunctioning of PCB assembly.

• Inverting of diodes used in the PCB schematic.
• Using a different transistor instead of the original transistor.
• Power transistor’s inversion.
• Reversing the position of small power transistors.
• Improper connections between components
• Short circuit
• Wrong soldering of connecting wires.

Schematic circuit Board Failure Modes

How To Find Defects In Schematic PCB?

To find defects in a schematic PCB, you need to run some reliable tests. The Schematic tells you of the logical attachments between different components on the PCB surface. That’s why an error-free schematic is highly required for your business.

Applying a schematic PCB design software is the most effective way to detect faults in designs. If you use a schematic to PCB Altium, there are integrated libraries for checking the designs.

Besides, Eagle is another reputable design software to check schematic diagrams. If you want to verify the PCB designs, you can conduct electrical tests.

Schematic Circuit Board Testing

What Is Meant By Schematic/PCB Sink Deactivated in Schematic PCB Designs?

You will notice this message “Schematic/PCB sink deactivated” when the PCB layout of the schematic PCB is out of the sink. This is a common problem while converting a schematic diagram to a PCB layout. This issue is usually found in the schematic to PCB Altium design software.

In this case, you need to make some changes in the schematic view. But, this process takes a lot of time. Because you have to move back and forth manually to solve this issue which is not a very good experience.

Sometimes. the “schematic/PCB sink deactivated” sign appears if you forget to open the design files. That’s why it is required to keep the electronic design document open. It helps to track the schematic and PCB layout conveniently.

Besides, you should avoid closing an editor and working with another. This practice is effective for maintaining consistency in schematic PCB design. Normally, Altium Designer is now supportive of one schematic and one circuit board.

There is an opportunity of combining conventional CAD software with ECAD software. This is also a good idea to get rid of the “schematic/PCB sink deactivated” issue.

Conclusion

If you want to promote the overall performance of your gadgets, schematic PCB is a reliable option to fulfill your demand. This circuit board is designed through professional design software. So, it is effective to optimize your electronic appliances to a great extent.

PCBMay is a leading schematic PCB manufacturer. We can assure you of maintaining supreme design quality. Besides, we always give the optimum priority to our customer needs. Feel free to contact us anytime to boost up your business.