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PCB
Reverse
Engineering
We
are experts in printed circuit
board - pcb reverse
engineering, reverse engineering,
pcb copying, pcb duplicating, - from
single side board to multilayer
Printed circuit board. We can
extract connection details and
then start Schematics drawing, PCB Layout
design, from Bare
(blank) or component loaded PCB,
BOM Extraction, developing
prototypes. Finally small batch or
mass production can be
undertaken.
Email
us the photographs
of both the
sides of your PCB to get a
immediate quote
ceda@vsnl.com
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MCU,
CPLD, FPGA
Code
Extraction
We
are experts in - MCU crack,MCU
attack,MCU extraction, MCU
service,MCU reverse,MCU brake,MCU
decryption and recover microcode
from almost any MCU, CPLD or FPGA.
Please
note:
We provide code extraction
services for educational purposes
only. In some countries it can be
illegal to use above mentioned
devices, please check your local
laws.
We cannot take any responsibility
in relation to the use of above
mentioned devices that may be
considered illegal.
Process-Involved
-
Send
us the Chip on Board or only
the Chip
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We
destroy the Chip and decode it
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We
send you a fresh chip and the
program
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Time
involved - 2-4 weeks
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PCB
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PCB Reverse Engineering
& Code Copying |
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You have a PCB
Design which requires PCB fabrication and finally the PCB
assembly process, ultimately what will make your product
work. We have been providing PCB
fabrication & assembly services since 10 years. From
design to build we take up total Turnkey solution.
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Full
Box Build Manufactured Assemblies |
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SMALL
PROJECTS !
SMALL
QUANTITY ! Drop us a line
or Call Probir
at
00919810338939. We
are easy to find and respond promptly.
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SMALL
QUANTITY ASSEMBLY |
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0.13 mm
PITCH
"MANUAL SOLDERING" |
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We
will put it all together-build the
electronics, assembly in the
housings and package into the box
for delivery.
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No
matter, if your quantity is too
low, we can support you. Email us
your requirements. |
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We will
support for mixed SMD & PTH
with 0.13mm pitch soldering - just
drop a line, we will get back to
you.
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Article by John Armistead
The process:
The need for printed circuit board (PCB) reverse engineering or re-engineering comes about for a variety of reasons chief among them is the need to replace an obsolete PCB that is no longer available from
the original manufacturer. Missing manufacturing files such a Gerber files are often sited as the main reason. Another reason is cost. Some PCB's are considered proprietary by the OEM when in fact they are
not; they are just too expensively priced.
Re-engineering a PCB assembly can provide an improved or added performance to an old process. New and improved materials and techniques may be utilized improving operations, maintenance and support. Reverse
engineer your PCB first as a base set of data and then modify that base to obtain a more modern PCB that is both less expensive to build and less expensive to service.
There are at least four basic steps in reverse engineering a printed circuit board.
1. Obtain at least two samples of the board. Measure all chip capacitors in place then remove all components and log them. Identify all components and obtain specifications for each. This process will
usually render one sample board unusable again. One board should be retained intact and utilized as a reference board. That board should remain usable again. The identification of all components is required
for the bill of materials (BOM). The BOM is utilitzed for component footprint information necessary for the production of Gerber files.
2. Identify all of the electrical connections between components on the board (node list, sometimes called a net list) and build a schematic. This process requires an experienced electrical engineer to be
able to render the emerging node list into a readable schematic. Accuracy here is most important.
3. Capture the schematic in software including building component images for all components that are not in a parts library. Check the schematic connections to the board.
4. Generate Gerber files for the board. Modification of these basic steps is often necessary most notably for high frequency boards. Due to high frequencies on traces, trace length, position and impedance
can be very important. Utilizing x-ray technology in combination with deconstructing the board to reveal trace position (length, width, thickness, layer position) will help the engineer understand where high
frequency traces need to be routed.
The previous steps will cover about 95% of all printed circuit board reverse engineering requirements.
The Patent/Copyright issue:
If a board has a copyright mark, then you should not reverse engineer the traces verbatim. Rerouting the board using any one of the auto router software packages will generally render a board that is unlike
the existing board although still electrically and schematically identical.
The majority of the patented boards are patented for onboard firmware or highly specialized digital circuits. Unless you have very deep pockets, this is one PCB reverse engineering area that it is advisable
to stay away from altogether. Of course, if your company owns the patent then there is no problem.
What you should expect from a PCB reverse engineering project:
• Complete schematic diagrams including any on board, point to point, wiring diagrams.
• Complete bill of materials including individual data sheets on each component.
• Complete Gerber files for the production of the PCB with a set of printable PDF files.
• A prototype PCB assembled with components for testing and evaluation. Conclusion:
Reverse engineering PCB's is a necessary process to obtain lost manufacturing files (Gerbers). Sometimes, reverse engineering combined with re-engineering can revitalize old circuits to save time and money.
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PCB
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