Job
Independent PCB Design Review — CM4-based mixed-signal audio board (Gerber + netlist)
reviewer to check the layout before we commit to fabrication. This is a review only, no redesign or routing work required.
About the board
4-layer mixed-signal PCB
Raspberry Pi Compute Module 4 (CM4)
Designer
williampcbsolutions
PCB Layout & Engineering | High-Speed, RF, & DFM Optimization Partner - From Your Design to Producti
Diagram into a production - ready PCB with guaranteed quality and cost optimization. Complex layouts (High-Speed, RF, Multi-Layer) Thanks to a well-established project management process, I act as your single
Designer
ovaisaabb
Electronic Engineer | PCB Design Engineer| FreelancerHigh-Speed & Multilayer PCB Layout
and PADS Layout. Experienced in high-speed design, multilayer PCB layouts, and signal integrity analysis. Skilled in multilayer board design and high-speed signal routing. An effective communicator with
Designer
kiruthikas
IC SUBSTRATE DESIGNER
pitch, higher die pin count, and multi-layer routing. Created complex multilayer organic substrates (MLO/MLC, coreless substrate) for high- density routing applications Signal Integrity and Power Integrity:
Job
PCB design — RS-485 carrier board for a Pico-form Ethernet module (2-layer)
interface and a 12 V power input.
Roughly 25 components, 2 layers, no controlled impedance, no high-speed routing. The MCU, flash, crystals, Ethernet PHY, RJ45 and USB are all on the plug-in module.
Module
Designer
richardk6
Senior PCB & Hardware Engineer | Altium Designer | High-Speed, RF & Mixed-Signal Design
automotive compute PCB with a 2,500+ pin BGA, complete SDR hardware and RF upconverter designs, and a DDR routing redesign that reduced reported production scrap from approximately 60% to 4%. I also manage component
Designer
shahidanis
Senior PCB & Hardware Design Engineer | RF & High-Speed Digital | FPGA | Altium & Cadence Allegro
layers and RF boards up to 8 layers, including projects involving DDR4, ADC/DAC and FPGA-based high-speed systems. I work with Altium Designer, Cadence Allegro and OrCAD. I am an Electrical Engineer and
Designer
alintac
Professional PCB Design Engineer | High-Speed PCB Layout | Schematic & Gerber Expert
I am a professional PCB Design Engineer specializing in high-quality, manufacturing-ready printed circuit board (PCB) solutions for startups, businesses, engineers, and hardware innovators. I transform
Designer
luckyt
Senior PCB designer
Senior PCB Design Engineer | High-Speed & Rigid-Flex Specialist Senior PCB Design Engineer with 10+ years of experience transforming complex schematic architectures into high-yield, production-ready printed
Designer
chathushka
PCB Design & Embedded Hardware Engineer specializing in Altium, multilayer, RF, high-speed, low-powe
PCB design, hardware testing, debugging, and validation using Altium Designer. I specialize in high-speed digital, RF, low-power, mixed-signal, rigid, and flexible PCB design, with strong attention to