S-Tech designs and manufactures printed circuit boards. This has been part of the business from the start and it is why our hardware knowledge goes deeper than reselling — when a reader module has to go inside a custom enclosure, or a device needs a board that does not exist yet, we make it.
What we build
Scope of this service
Custom PCB layout
Schematic capture and multi-layer layout, from a simple two-layer board to 16+ layers with controlled impedance.
High-speed and RF design
Controlled-impedance routing, differential pairs, length matching and RF sections for antennas and radio modules.
Design for manufacture
DFM and DFA review before fabrication, so a board that works in simulation also builds reliably on a line.
Prototyping
Quick-turn prototypes for validation before committing to a production run.
Flexible and rigid-flex
Flex and rigid-flex boards for devices where a cable will not fit or will not survive.
Assembly and testing
Component sourcing, SMT and through-hole assembly, functional testing and burn-in.
Our process
How a project runs
Five stages, in this order. The first one removes most of the risk and is the one clients are most tempted to skip.
- 1
Requirement and schematic
Function, interfaces, power budget, size and environment agreed, then schematic capture and review.
- 2
Layout
Stack-up, placement and routing, with impedance control and thermal considerations designed in rather than fixed afterwards.
- 3
DFM review
Manufacturability, testability and assembly checked before fabrication, which is the cheapest place to find a problem.
- 4
Prototype and validate
A small run built and tested against the requirement, with a documented result.
- 5
Production
Volume fabrication and assembly with functional testing, and revision control on the design files.
Technology we work with
Materials
- FR4
- Aluminium (MCPCB)
- Flex polyimide
- Rigid-flex
- High-frequency laminates
Capability
- 1 to 16+ layers
- HDI and microvias
- Controlled impedance
- Heavy copper
Finishes
- HASL
- Lead-free HASL
- ENIG
- OSP
- Immersion silver
Compliance
- RoHS
- Lead-free processes
- IPC standards
Examples
Work of this kind we have delivered
Described by what was built rather than by client name, until we have permission to publish.
RFID reader modules
Boards carrying UHF reader modules with the antenna matching and enclosure constraints designed together.
Access control boards
Door controller boards with relay outputs, reader interfaces and local storage for offline operation.
Sensor and IoT boards
Low-power sensor boards with wireless connectivity for temperature, door and vibration monitoring.
Industrial interface boards
Boards bridging legacy industrial equipment to modern network interfaces.
Engagement models
How we can work together
Which one fits depends mostly on how settled the requirement is, and how much you want to steer week to week.
Design only
We design the board and hand over the manufacturing files. You produce it wherever you choose.
Design and manufacture
Full service from schematic to tested, assembled boards delivered.
Manufacture to your design
You supply the files, we fabricate, assemble and test.
Questions
Common questions
What is the minimum order quantity?
Prototypes can be a handful of boards. Volume pricing starts to make a difference from a few hundred. Tell us your quantity and we will quote both.
Can you source the components too?
Yes. We handle sourcing including alternates where a part is on long lead time, and we flag any part that is a supply risk before you commit to a design.
Do you do RF and antenna design?
Yes — it is a regular part of our RFID work, including antenna matching and the layout constraints that come with it.
Start a conversation
Tell us about your pcb design & manufacturing project
Send the problem rather than a specification. We will come back with an approach, an engagement model, and an honest view of whether an existing product would be cheaper.
Other services
Tell us what you need to track
Send us the problem and we will come back with a specification — the software, the hardware, and a read-rate trial on your own goods before you order anything.
Or call +91 97305 32888 — Monday to Saturday, 9:30 am to 6:30 pm.