PCB Fabrication quote PCB Assembly quote Free passive parts
 

Basic Factors in PCB Design

Various key factors have to be kept in mind while designing a PCB for a quality design. An important principle of PCB design, which becomes more critical in mixed signal design in order to avoid noisy signals and abnormal functioning is keeping analogue and digital grounds separated. Since in auto-routing the computer recognizes it as a single ground and routes accordingly, grounds are to be routed manually to avoid it. In addition to this:
  1. For each digital IC, capacitors should be placed between its input power and ground
  2. High frequency tracks should be kept short
  3. Signals with high frequency should have a ground plane below them; they shouldn’t be run over gaps
  4. Analogue circuits and digitals circuits should be kept separated
  5. Analogue ground and digital grounds should be kept separated but connected to a common point
  6. 90o bends in tracks should be avoided, instead 45o bends can be used to avoid noise and signal reflections.
  7. Power and ground tracks should be wide so that they have a higher current limit, also they should be placed first
  8. Auto-routing should be avoided when possible
  9. There shouldn’t be any copper fills unconnected on a PCB. They can be grounded to act as a heat sink or removed.
  10. Vias shouldn’t be placed under the components
  11. Through hole components ca be used as vias since the hole is connected to layers underneath
  12. Drill size for holes and vias should be kept minimum
 
Bittele Offered Technical Expertise to Attendees at IPC APEX EXPO 2016
Bittele Electronics Exhibited at EPTECH 2016
Bittele Electronics Completes New PCB Assembly Line
Bittele strategy climbs turnkey PCB assembly ladder
Bittele Electronics Announces ISO 9001:2008 Certification
Bittele Electronics Sponsors Georgia Tech's Solar Car Engineering Team
Bittele Electronics Offers Free 'Design For Manufacturing' Service to its Customers
Bittele Electronics Introduces New Website for German Customers
Bittele Electronics Sees Double-Digit Growth
Bittele Electronics Adds Quick-Turn Capabilities
 
Sample Bill of Materials (BOM)
Sample Assembly drawings
How to create a Centroid File?
How to Export Gerber Files from Eagle?
Bittele's ISO 9001:2008 Certificate
PCB Fabrication Specifications
 
testimonials
 
payment types
 
 
 
About Us | Services | Quality | Archives | Privacy | Contact
Copyright 2003-2017, Bittele Electronics Inc. All Rights Reserved.