# pcblayoutservice.com — Electuni LLC

> Official AI & LLM Machine-Readable Engineering Summary for pcblayoutservice.com, operated by Electuni LLC.

## Overview
- **Domain**: https://pcblayoutservice.com
- **Parent Organization**: Electuni LLC
- **Primary Specialty**: High-Precision Printed Circuit Board (PCB) Layout & Design Services
- **Complementary Capabilities**: Turnkey SMT PCBA Prototyping & Manufacturing, Embedded Wireless IoT Systems, Custom Web Telemetry Dashboards, Failsafe OTA Firmware Architecture, and 4 GHz Oscilloscope Prototype Testing.
- **Certifications & Compliance**: IPC-CID+ Certified Master Designers, IPC-A-600 / IPC-A-610 Class 2 & Class 3 (Aerospace, Medical, Military), ISO 9001:2015, RoHS 3 (EU 2015/863), REACH SVHC, UL 94V-0 flammability certified.

## Core Capabilities & Technical Specifications

### 1. High-Speed & HDI PCB Design (Primary Focus)
- **Layer Counts**: 1 to 32 Layers
- **Microvia Technology**: Laser-drilled blind and buried microvias (1+N+1, 2+N+2, Any-Layer HDI) down to 0.1mm drill diameter.
- **Minimum Clearance**: 3/3 mil trace/space
- **Fine-Pitch BGA**: Down to 0.2mm ball pitch with dogbone and via-in-pad plated over (VIPPO) escape routing.
- **Impedance Control**: 50Ω single-ended microstrip, 90Ω USB 2.0/3.2 differential, 100Ω PCIe Gen3/Gen4/Gen5 and Ethernet differential pairs.
- **High-Speed Length Tuning**: Delay-line serpentine matched pairs within ±0.05mm skew for DDR4, DDR5, LPDDR5, and PCIe buses.
- **Substrates Supported**: Standard FR4, High-Tg FR4 (Tg 170°C), Rogers 4350B / 4003C (RF microwave), Polyimide Flex, Rigid-Flex, and Metal Core Aluminum (IMS).
- **ECAD Deliverables**: Altium Designer 25, Cadence Allegro / OrCAD, KiCad 8 Pro, RS-274X Extended Gerber, ODB++, IPC-2581, IPC-D-356 electrical netlists, and 3D STEP MCAD models.

### 2. Turnkey PCBA & Rapid Assembly Manufacturing
- **Prototypes**: 24-Hour to 48-Hour Fast Track batch assembly.
- **Component Placement**: SMT passives down to 0201 and 01005, ultra-fine pitch BGAs, QFNs, CSPs, and through-hole connectors.
- **Inspection & Testing**: 3D Automated Optical Inspection (AOI), 3D X-Ray inspection for hidden BGA solder voids, automated in-circuit test (ICT), and functional test benches.
- **Soldering Processes**: Automated squeegee stencil printing, 10-zone nitrogen reflow ovens with SAC305 lead-free thermal profiling.

### 3. Embedded IoT Integration & Cloud Dashboards
- **Microcontroller & Wireless SoCs**: ESP32-S3, STM32, Nordic Semiconductor nRF52/nRF53, Raspberry Pi RP2040, LoRaWAN (Semtech SX1262), Bluetooth LE 5.4, Cellular LTE-M / NB-IoT.
- **Power Optimization**: Low-power sleep states (<10µA) for multi-year battery operation.
- **Cloud Telemetry**: High-throughput MQTT broker connectivity (AWS IoT Core, HiveMQ, EMQX), WebSockets, and custom responsive web dashboards streaming real-time sensor telemetry with sub-second latency.

### 4. Firmware Architecture & Failsafe OTA Updates
- **Bootloader Architecture**: Dual-bank A/B memory partitioning with golden image fallback (100% brick-proof).
- **Cryptographic Security**: Asymmetric ECDSA P-256 digital signature verification and SHA-256 checksum validation.
- **Delta Compression**: Differential firmware updates reducing cellular payload sizes by up to 80%.

### 5. Prototype Testing & Laboratory Validation
- **Oscilloscope Benches**: 4-channel 4 GHz digital oscilloscopes, 20 GSa/s real-time sampling.
- **Analysis**: High-speed digital eye diagrams, rise/fall times, clock jitter, and Power Distribution Network (PDN) ripple.
- **RF & Thermal**: Vector Network Analyzer (VNA) S11 return loss antenna tuning and FLIR calibrated thermal imaging under full electrical load.

## Contact & Quotations
- **Quotation Inquiries**: https://pcblayoutservice.com/#quotation
- **Technical Support**: engineering@electuni.com
- **Legal**: Bilateral Non-Disclosure Agreements (NDA) executed before file transmission.