Author: Swimbi
Find a practical answer for your next design review: board construction, materials, manufacturing files, assembly and verification. Search by the problem you are solving, then use the related field guides to prepare a project brief.
Flexible PCB Manufacturing: Define the Bend Before the Stackup
A flexible circuit must be specified for its installation and motion. Define the bend geometry, copper construction, stiffeners and acceptance checks before selecting a layer…
Read articleOctober 18, 2025RO4350B and RO4003C PCB Materials: Specify Dk and Stackup Clearly
Distinguish process Dk from design Dk when specifying RO4350B or RO4003C, then document the construction assumptions used for your RF layout.
Read articleJanuary 30, 2025PCB Package Soldering: Plan the Process by Component and Joint
An assembly process must match the actual component package, board design and acceptance requirements. Define the soldering sequence and inspection access before releasing a mixed-technology…
Read articleSeptember 10, 2024Planning a PCB Assembly Project with Swimbi
Prepare a clear assembly request: define the build scope, component supply, production files and acceptance checks before comparing price or lead time.
Read articleJune 28, 2024LM317 PCB Layout: Connections, Heat and Verification
Review the exact LM317 package, current path and thermal operating point before releasing a regulator board. A voltage setting alone does not establish a workable…
Read articleJune 28, 2024RJ45 PCB Layout: PHY, Magnetics, Shielding and Verification
Plan an Ethernet connector layout around the PHY, magnetics and isolation boundary, then verify the complete cable interface.
Read articleJune 28, 2024915 MHz PCB Antenna Design: Dimensions, Matching and Enclosure Testing
Design a 915 MHz printed antenna with a defined ground geometry, a tunable feed and measurements in the final enclosure.
Read articleJune 28, 2024Interposer PCB Design: Pin Mapping, Mechanics and Signal Paths
Define what an interposer must translate, then review its mating geometry, return paths and test access before layout.
Read articleJune 28, 2024555 Timer PCB Layout: Protecting Timing Nodes and Supply Paths
Place a 555 timer around its timing capacitor, supply bypass and output-current loop, then test startup and timing under load.
Read articleJune 28, 2024PCB Design and Prototyping: A First-Board Workflow
Turn a first schematic into a testable prototype with staged reviews, a complete release package and a planned bring-up sequence.
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