Engineering blog
PCB engineering, written for engineers.
Deep dives into RF, manufacturing trade-offs, and design tips — from the team that ships your boards.
From Gerber to Production: Inside Our 48-Hour Turnaround
How we get bare boards out the door in 48 hours — automation, partner factories, and where the constraints actually live.
4/27/2026
Aluminum vs FR-4 for LED Drivers: A Thermal Deep Dive
Thermal conductivity, manufacturing trade-offs, and when paying 3× for aluminum is the right call.
4/27/2026Castellated Holes Done Right: Mechanical and Electrical Trade-offs
For modules that solder onto motherboards — when castellation is the right answer, and when it bites you.
4/27/2026
Impedance Control: When Your 50Ω Lines Aren't Actually 50Ω
Stack-up tolerance, copper roughness, and the 5% number that determines whether your radio works.
4/27/2026
Why ENIG Is the Default for Modern Smartphone PCBs
Pad flatness, gold thickness, and the black-pad failure mode — why every flagship phone you own ships ENIG.
4/27/2026Designing High-Frequency RF Boards: A Practical Guide
Trace impedance, dielectric choice, and via stitching for 5G mmWave front-ends — what actually matters at 28 GHz.
4/27/2026