(858) 683-3883|Product Catalog

Engineering Application Notes

Deep technical analyses, specifications, and layout guidelines for advanced EMI shielding challenges in hardware and RF engineering.

engineering

Ferrite Bead Integration with PCB Shield Cans: Eliminating EMI Filter Failure Modes

How hardware engineers combine ferrite beads and EMI filters with PCB shield cans to achieve CISPR 32 compliance and prevent common conduction path failures.

April 29, 202610 min read
engineering

PCB-Level EMI Shield Can Integration: Design Pitfalls and Compliance Guidelines

RF/EMC engineer's guide to shield can footprint design, soldering profiles, and spring contact selection for CISPR 25 and IEC 61000-4-x compliance.

April 29, 20269 min read
engineering

CISPR 25 Conducted Emissions Control: PCB-Level Shield Can Design for Automotive DC-DC Converters

Engineering guide for suppressing conducted emissions from automotive step-down converters to meet CISPR 25 Class 5 limits using PCB-level shield cans and spring contacts.

April 28, 20269 min read
engineering

PCB Crosstalk and EMI Coupling: Shield Can Selection for Controlled-Impedance Designs

How inductive and capacitive coupling mechanisms drive crosstalk failures, and how precision shield cans with spring contacts eliminate them at the PCB level.

April 28, 20269 min read
engineering

PCB-Level EMI Shielding for IoT and Embedded Systems: Shield Can Selection and Layout Guide

Engineering guide for selecting SMD shield cans and spring contacts for PCB-level EMI compliance in IoT, SHM, and compact embedded systems targeting CISPR 32 and IEC 61000-4-3.

April 28, 202610 min read
engineering

PCB-Level Crosstalk and Cavity Resonance: Shield Can Selection for CISPR 25 Compliance

How to select and mount SMD shield cans to suppress intra-board crosstalk and cavity resonances from 30 MHz to 6 GHz for automotive and consumer RF compliance.

April 27, 20269 min read
engineering

Power Rail EMI Filtering with Ferrite Beads and Shield Cans: PCB Integration Guide

Engineering guide for combining ferrite bead power rail filtering with PCB-level shield cans to meet CISPR 32, IEC 61000-4-6, and MIL-STD-461 conducted/radiated emission limits.

April 27, 20269 min read
engineering

Reflow Soldering Optimization for SMD Shield Can Assemblies on High-Density PCBs

Engineering guide for reflow profile design, PCB footprint geometry, and solder joint integrity for SMD EMI shield cans targeting CISPR 25 and IEC 61000-4-x compliance.

April 27, 202610 min read
engineering

PCB-Level EMI Shield Can Design for UAV RF Interference Mitigation

Engineering guidance for selecting and implementing SMD shield cans on UAV and drone PCBs to meet CISPR 32, MIL-STD-461, and ISO 11452 requirements.

April 27, 20269 min read
engineering

PCB-Level RF Shielding for UAV/Drone Electronics: CISPR 32 & MIL-STD-461 Compliance

Engineering guide for selecting and implementing SMD shield cans on drone and UAV PCBs to meet CISPR 32, MIL-STD-461G, and IEC 61000-4-3 radiated immunity requirements.

April 27, 202610 min read
engineering

Counter-UAS Jammer EMI Shielding: Multi-Band Transmitter Isolation Design Guide

RF engineering guide for shielding counter-drone jammer transmitters across 433 MHz, 915 MHz, 1.5 GHz, 2.4 GHz, and 5.8 GHz bands using two-piece shield cans and spring contacts.

April 26, 20267 min read
engineering

Crosstalk Suppression in Mixed-Signal PCBs: Shield Can Partitioning for RF Compliance

Engineering guide to controlling near-field coupling and crosstalk on dense PCBs using two-piece shield cans, SMD pan nuts, and spring contacts.

April 26, 20267 min read
engineering

Miniaturized IoT Sensor PCB Shielding: Shield Can Design for Compact SHM Modules

Engineering guide for EMI shielding of compact IoT and structural health monitoring PCBs using two-piece shield cans, SMD pan nuts, and spring contacts.

April 26, 20267 min read
engineering

PCB-Level EMI Shielding: Eliminating Common Layout & Grounding Failures

Engineering reference for shield can integration, ground stitching, and spring contact selection to pass CISPR 25 and IEC 61000-4-3 on the first revision.

April 26, 20267 min read
engineering

Reflow Soldering Profile Optimization for SMD Shield Can Assembly

Engineering guide for reflow profile parameters, PCB footprint design, and common pitfalls when assembling SMD shield cans for EMI compliance.

April 26, 20269 min read
engineering

Ferrite Bead and Shield Can Co-Design for Conducted and Radiated EMI on Switching Power Rails

Engineering guide to integrating ferrite bead pi-filters with shield cans on DC-DC converter PCBs to meet CISPR 25 Class 5 and IEC 61000-4-3 limits.

April 25, 20268 min read
engineering

PCB-Level EMI Shielding for Embedded Sensor Modules and IoT Edge Nodes

Shield can, spring contact, and grounding strategies for compact sensor PCBs targeting CISPR 25, CISPR 32, and FCC Part 15 compliance.

April 25, 20267 min read
engineering

EMI Shielding for Counter-UAS and Tactical Drone Payloads: RF Compliance Design Guide

Shield can and spring contact design guide for counter-UAS jammers, fiber-optic drone controllers, and tactical UAV payloads requiring MIL-STD-461 and DO-160 compliance.

April 24, 20267 min read
engineering

MIL-STD-461 CE101/CE102/RE102 Shield Can Design for Defense-Grade PCB Compliance

Engineer's guide to MIL-STD-461G shielding effectiveness, aperture control, and spring-contact grounding for conducted and radiated emissions compliance.

April 24, 20267 min read
engineering

Reflow-Compatible Two-Piece Shield Cans: Thermal Profile & Pad Design for EMI Compliance

Engineering guide to reflow-survivable EMI shield cans: pad geometry, TAL windows, coplanarity, and attenuation targets for CISPR 25 and IEC 61000-4-3 compliance.

April 24, 20267 min read
engineering

RF Transceiver Front-End EMI Shielding: CISPR 25 Compliance for Sub-6 GHz Radios

Shield can design, attenuation targets, and spring-contact grounding strategy for RF/MW transceiver front-ends targeting CISPR 25 Class 5 and 3GPP emission limits.

April 24, 20267 min read
engineering

Shield Can Design for Radiated Emissions Compliance in Semi-Anechoic Chamber Testing

PCB-level EMI shield can selection, footprint, and reflow guidance for passing CISPR 25 and CISPR 32 radiated emissions in SAC/FAC environments.

April 24, 20267 min read
engineering

PCB Crosstalk Suppression with Shield Cans: Compartmentalization Design Guide

Engineering guide to reducing PCB crosstalk and radiated EMI via compartmentalized shield cans, ground stitching, and spring-contact return paths.

April 23, 20267 min read
engineering

PCB-Level EMI Shielding for IoT and Wearable Electronics: CISPR 32 Compliance Guide

Engineering guide to EMI shield can selection, spring contact grounding, and PCB footprint design for compact IoT and wearable devices under CISPR 32.

April 23, 20267 min read
engineering

RF Transceiver Front-End Shielding: CISPR 25 Compliance for PCB-Level Integration

Design guide for shield cans and spring contacts protecting RF/microwave transceiver front-ends against radiated emissions and immunity failures under CISPR 25 and ISO 11452.

April 23, 20266 min read
engineering

Shield Can Cavity Resonance and Crosstalk Mitigation for CISPR 25 Compliance

Engineering guide to suppressing PCB-level crosstalk and cavity resonance using two-piece shield cans, spring contacts, and SMD pan nuts.

April 23, 20267 min read
engineering

Shield Can Design for CISPR 25 Class 5 Compliance on Densely Populated PCBs

Engineering guide to two-piece shield can selection, PCB footprint design, and spring contact grounding for automotive and IoT EMI compliance.

April 22, 20267 min read
engineering

Counter-UAS RF Front-End Shielding: CISPR 25 & MIL-STD-461 Design Guide

Board-level EMI shielding for C-UAS detection receivers and drone payloads: attenuation targets, cavity resonance control, and spring contact grounding.

April 22, 20267 min read
engineering

PCB-Level EMI Shielding for Embedded SHM and IoT Modules: Shield Can Design

Engineering reference for designing CISPR 25 and IEC 61000-4-3 compliant shield cans and spring contacts on dense PCBs used in SHM and IoT applications.

April 22, 20266 min read
engineering

Reflow-Compatible Shield Can Design for CISPR 25 and ISO 11452 Compliance

Engineering guide to reflow-survivable two-piece shield cans, SMD pan nuts, and spring contacts for PCB-level EMI compliance from 30 MHz to 6 GHz.

April 22, 20266 min read
engineering

Reflow Profile Compatibility for Two-Piece Shield Cans: IPC J-STD-020 Design Guide

Engineering guide to designing SMD EMI shield cans that survive lead-free reflow without warpage, solder-joint starvation, or attenuation loss above 1 GHz.

April 22, 20267 min read
engineering

Reflow Profile Optimization for Two-Piece SMD Shield Cans: Coplanarity, Solder Joint Integrity, and RF Seal Continuity

Engineering guide to reflow profile design for SMD shield cans: ramp rates, TAL, coplanarity control, and solder joint integrity for sustained EMI attenuation.

April 22, 20267 min read
engineering

CISPR 25 Conducted Emissions: Shield Can Design for Automotive DC-DC Converters

Engineering guide to suppressing conducted emissions on automotive DC-DC converters using two-piece shield cans, pan nuts, and spring contacts per CISPR 25.

April 21, 20267 min read
engineering

Crosstalk Suppression in Dense PCBs: Shield Can and Pogo Pin Design for CISPR 25

Time-domain crosstalk mitigation using two-piece shield cans, SMD pan nuts, and spring contacts for CISPR 25 Class 5 compliance in automotive and industrial PCBs.

April 21, 20267 min read
engineering

Ferrite Beads vs. Shield Cans: Why Filter-Only EMI Strategies Fail Above 300 MHz

RF engineer's guide to combining ferrite bead filtering with PCB-level shield cans for CISPR 25 and IEC 61000-4-3 compliance above 300 MHz.

April 21, 20267 min read
engineering

PCB-Level EMI Shielding for Structural Health Monitoring and IIoT Edge Nodes

Design guide for shield can selection, board-level attenuation budgeting, and spring contact integration on dense IIoT/SHM PCBAs under CISPR 32 and IEC 61000-4-x.

April 21, 20266 min read
engineering

PCB-Level EMI Shield Can Design for Structural Health Monitoring Sensor Modules

Shield can, spring contact, and pan nut selection guide for SHM and IIoT sensor PCBs requiring CISPR 25 and ISO 11452 compliance.

April 21, 20267 min read
engineering

CISPR 25 Conducted Emissions Mitigation: Shield Can and PCB Filter Co-Design

Engineering guide to suppressing switching-converter conducted emissions per CISPR 25 using shield cans, spring contacts, and PCB-level filter topology.

April 20, 20267 min read
engineering

Ferrite Bead Power Rail Filtering and Shield Can Co-Design for Sub-6 GHz Compliance

Engineering application note on integrating ferrite bead LC filters with two-piece shield cans and spring contacts for CISPR 25 and IEC 61000-4-6 compliance.

April 20, 20267 min read
engineering

MIL-STD-461 CE101/CS116 Compliance: Shield Can Design for Conducted Emissions Control

Engineer-facing guide to PCB-level shielding strategies for MIL-STD-461F/G CE101, CS116 transient, and DO-160 Section 22 qualification.

April 20, 20267 min read
engineering

Ferrite Beads and Shield Cans: Power Rail EMI Suppression Above 200 MHz

Engineering guide to combining ferrite bead filters with board-level shield cans for CISPR 25 and IEC 61000-4-6 compliance on switch-mode power rails.

April 19, 20267 min read
engineering

Board-to-Board Connector EMI Shielding: Quad-Row Interconnect Isolation for CISPR 25 Compliance

Design guide for shielding high-density board-to-board connectors against radiated emissions and conducted coupling in automotive and IIoT PCBs.

April 18, 20266 min read
engineering

Power Supply EMI Filter Shielding: Cavity Design for Conducted and Radiated Compliance

RF engineering guide to shield can design around switch-mode power supplies and EMI filter stages for CISPR 25 and IEC 61000-4 compliance.

April 18, 20266 min read
engineering

Crosstalk-Driven EMI Failures: Shield Can Design for Automotive and RF-Dense PCBs

RF engineer's guide to mitigating near-field crosstalk and radiated emissions with two-piece shield cans, SMD pan nuts, and spring contacts per CISPR 25.

April 17, 20267 min read
engineering

EMI Filter and Ferrite Bead Integration: Shield Can Design for Power Supply Noise Suppression

RF engineering guide to integrating EMI filters, ferrite beads, and shield cans for conducted and radiated emissions compliance under CISPR 25 and IEC 61000-4-x.

April 17, 20267 min read
engineering

MIL-STD-461 CS116/CS117 Transient Hardening: Shield Can and Spring Contact Design

Engineering guidance for surviving CS116 damped sinusoids and CS117 lightning-induced transients through integrated shield can and spring contact design.

April 17, 20266 min read
engineering

PCB Grounding, Crosstalk Control, and Shield Can Integration for RF Compliance

Engineer's guide to eliminating EMI coupling through disciplined grounding, controlled impedance, and properly specified shield can enclosures.

April 17, 20267 min read
engineering

PCB Grounding Topology and Shield Can Integration for CISPR 25 Compliance

Engineer's guide to PCB-level EMI mitigation: ground return path design, shield can footprint geometry, and SMD spring contact selection for radiated emissions compliance.

April 17, 20267 min read
engineering

RF Shielding for Counter-UAS and Tactical Radio Systems: CISPR 25 and MIL-STD-461 Compliance

Engineer's guide to EMI shield can design for counter-UAS jammers, tactical SDRs, and fiber-optic drone controllers. Attenuation data, footprints, reflow profiles.

April 17, 20266 min read
engineering

CISPR 25 Conducted Emissions Compliance: Shield Can Design for Automotive DC-DC Converters

Engineering guide to PCB-level shield can design for CISPR 25 Class 5 conducted emissions compliance in automotive switching regulators and DC-DC converters.

April 16, 202611 min read
engineering

PCB-Level EMI Shielding for IoT Sensor Modules: Shield Can Design for Structural Health Monitoring

Engineering guide to shield can selection, footprint design, and spring contact integration for low-power IoT PCBs requiring CISPR 32 and IEC 61000-4-3 compliance.

April 16, 20266 min read
engineering

MIL-STD-461 CS116/CS117 Transient Suppression: Shield Can Design for Avionics

RF/EMC design guide for CS116 damped sinusoid and CS117 lightning-induced transient compliance using two-piece shield cans and spring contacts.

April 16, 20266 min read
engineering

Reflow Soldering Profile Optimization for PCB-Level EMI Shield Cans

Engineering guide to reflow profile design for SMD shield cans and spring contacts, addressing solder joint reliability, shielding effectiveness, and IPC/CISPR compliance.

April 16, 202610 min read
engineering

Integrating Board-Level Shield Cans with Power Rail EMI Filtering for CISPR 32 Compliance

Design guide for combining PCB shield cans with ferrite bead and filter networks to achieve conducted and radiated emissions compliance under CISPR 32 and IEC 61000-4-3.

April 16, 202610 min read
engineering

EMI Shielding for UAV Avionics in Contested Electromagnetic Environments

PCB-level shield can design guidance for UAV flight controllers and EW receivers operating under dense RF threat conditions per MIL-STD-461G and RTCA DO-160.

April 16, 202610 min read
engineering

Ferrite Bead and Shield Can Co-Design for PCB-Level EMI Suppression

Engineering guide to co-designing ferrite bead filter networks with board-level shield cans to meet CISPR 32 and MIL-STD-461 conducted and radiated emission limits.

April 15, 202611 min read
engineering

MIL-STD-461 Conducted Susceptibility Shielding: PCB-Level Shield Can Design for Transient and CW Immunity

Design guide for PCB shield cans meeting MIL-STD-461 CS101–CS117 conducted susceptibility requirements, including transient immunity and COTS qualification paths.

April 15, 202611 min read
engineering

EMI Shielding for UAV Avionics: PCB-Level RF Isolation in High-Density Flight Controllers

Design guide for PCB-level EMI shielding in UAV flight controllers and C2 data links, covering shield can selection, spring contact grounding, and MIL-STD-461G compliance.

April 15, 202611 min read
engineering

Board-Level Shielding as a Complement to Ferrite Bead and EMI Filter Strategies

Why ferrite beads and LC filters alone fail radiated EMI targets—and how PCB shield cans with low-impedance spring contacts close the gap.

April 14, 20269 min read
engineering

MIL-STD-461 Conducted Susceptibility Shielding: PCB-Level Transient Protection Design

Engineering guide for PCB shield can design addressing MIL-STD-461 CS101/CS114/CS116/CS117 conducted susceptibility requirements with attenuation data and layout rules

April 14, 20269 min read
engineering

MIL-STD-461G Compliance: PCB-Level Shield Can Design for CE and RE Control

Shield can design strategies for passing MIL-STD-461G CE101, CS116, and RE102 requirements at the board level, with attenuation data and footprint guidelines.

April 14, 202610 min read
engineering

PCB Grounding Architecture and Shield Can Integration for EMI Compliance

Engineering guide to PCB ground plane design, shield can placement, and spring contact selection for passing CISPR 25, IEC 61000-4-3, and MIL-STD-461 radiated emissions limits.

April 14, 202611 min read
engineering

Grounding and Crosstalk Mitigation for PCB-Level EMI Shield Cans

Design guidelines for shield can grounding, crosstalk isolation, and impedance discontinuity control to meet CISPR 25 and IEC 61000-4-3 radiated immunity requirements.

April 14, 202610 min read
engineering

EMI Shielding for UAV Avionics: PCB-Level Shield Can Design in Contested RF Environments

Design guide for PCB-level EMI shielding in UAV avionics exposed to high-power RF jamming fields, with attenuation data, footprint rules, and reflow profiles.

April 14, 202611 min read
engineering

CISPR 25 Conducted Emissions Compliance: Shield Can Design and Filtering Integration for Automotive DC-DC Converters

Engineering guide to achieving CISPR 25 Class 5 conducted emissions compliance using board-level shield cans, spring contacts, and filter-stage isolation on automotive power converter PCBs.

April 13, 202612 min read
engineering

PCB-Level EMI Shielding: Grounding Architecture, Shield Can Design, and Compliance Strategy

Engineering guide to board-level EMI shield can integration covering grounding topology, attenuation data, reflow profiles, and common design failures that cause CISPR 25 and IEC 61000 non-compliance.

April 13, 202611 min read
engineering

Power Supply EMI Filter Integration with Board-Level Shield Cans

Design guide for combining PCB-level EMI shielding with power supply filtering to achieve CISPR 32 and IEC 61000-4-3 compliance at the board edge.

April 13, 202611 min read
engineering

EMI Shielding for Compact PCB Assemblies: Shield Can Selection and Integration Guide

Engineering guide for selecting and integrating board-level EMI shield cans on dense, miniaturized PCB assemblies to meet CISPR 32 and FCC Part 15 radiated emission limits.

April 12, 202611 min read
engineering

EMI Filter Design with Ferrite Beads and Board-Level Shield Cans for Power Supply Decoupling

Engineering guide to ferrite bead LC filter networks combined with PCB shield cans for power supply EMI suppression across CISPR 32 and MIL-STD-461 compliance bands.

April 12, 202611 min read
engineering

PCB Grounding Strategy for EMI Shield Can Integration

Design rules for PCB ground plane topology, shield can attachment, and spring contact selection to pass CISPR 25 and IEC 61000-4-3 on the first test cycle.

April 12, 202612 min read
engineering

EMI Shielding for UAV Avionics: PCB-Level Shield Can Design Against Broadband RF Interference

Shield can design guidelines for UAV flight controllers and RF front-ends operating in contested electromagnetic environments per MIL-STD-461G and CISPR 32.

April 12, 202610 min read
engineering

PCB Grounding Strategy for EMI Shield Can Integration and Compliance

Engineering guide to PCB ground plane design, shield can grounding, and spring contact integration for passing CISPR 25 and IEC 61000-4-3 radiated emissions testing.

April 11, 202611 min read
engineering

PCB Grounding and Shield Can Integration for EMI Compliance

Design rules for integrating board-level shield cans with PCB ground planes to eliminate common EMI failures and pass CISPR 25 and IEC 61000-4-3 on the first test run.

April 11, 202611 min read
engineering

EMI Shielding for Counter-UAS Receiver Front Ends: PCB-Level Design and Compliance

Design guide for PCB-level EMI shielding in counter-drone RF receiver chains, covering CISPR 25, MIL-STD-461G, shield can selection, and spring contact specification.

April 10, 202610 min read
engineering

Reducing PCB Crosstalk with Board-Level EMI Shield Cans and Grounding

Design guide for mitigating near-field crosstalk and radiated coupling on dense PCBs using shield can placement, ground plane strategy, and spring contact integration.

April 10, 202611 min read
engineering

Reflow-Compatible EMI Shield Can Design: Thermal Profile Integration for PCB-Level Compliance

Engineering guide for designing reflow-survivable EMI shield cans with optimized solder joints, thermal profiles, and spring contact integration for CISPR 25 and IEC 61000-4 compliance.

April 10, 202611 min read
engineering

Board-Level Shield Cans for Power Supply EMI Filtering Beyond Ferrite Beads

When ferrite beads reach their limits, PCB shield cans provide the radiated emission containment needed to pass CISPR 32 and MIL-STD-461 RE102.

April 10, 202611 min read
engineering

PCB-Level EMI Shielding: Crosstalk Mitigation and Shield Can Design for RF Compliance

Engineering guide to board-level EMI shield can design, crosstalk suppression, and spring contact selection for CISPR 25 and IEC 61000-4-3 compliance.

April 9, 202610 min read
engineering

PCB-Level EMI Shielding for Switch-Mode Power Supply Noise Suppression

Design guide for integrating board-level shield cans and spring contacts to contain conducted and radiated EMI from DC-DC converters and SMPS stages.

April 9, 202611 min read
engineering

PCB-Level EMI Shielding for UAV Flight Controllers and RF Front Ends

Design guide for board-level shield cans and spring contacts solving radiated emissions failures in UAV avionics per CISPR 32, MIL-STD-461G RE102, and DO-160G Section 21.

April 9, 202611 min read
engineering

Reflow Soldering EMI Shield Cans — Profile Optimization and PCB Integration Guide

Engineering guide for reflow-compatible EMI shield can integration: thermal profiling, pad design, contact resistance, and CISPR 25 attenuation validation.

April 8, 202611 min read
engineering

Board-Level EMI Shielding for Mixed-Signal Power Domains: Shield Can Design and Integration

Engineering guide for PCB-level shield can integration addressing conducted and radiated EMI coupling in mixed-signal power domains per CISPR 25 and IEC 61000-4-3.

April 8, 202610 min read
engineering

Conducted Emissions Containment with PCB-Level Shield Cans: A CISPR 25 Design Guide

Engineering guide for PCB shield can selection, footprint design, and conducted emissions mitigation to meet CISPR 25 Class 5 limits in automotive modules.

March 24, 202610 min read
engineering

PCB-Level EMI Shielding: Shield Can Design, Via Stitching, and Grounding Strategies for RF Compliance

Engineering guide covering shield can selection, via stitching pitch rules, ground plane continuity, and reflow soldering profiles for CISPR 25 and IEC 61000-4-3 compliance.

March 24, 202610 min read
engineering

PCB Shield Can Design for Power Supply EMI Filtering Compliance

Engineering guide to integrating board-level shield cans with power supply EMI filter stages for CISPR 32, CISPR 25, and MIL-STD-461 radiated emission compliance.

March 24, 202611 min read
Engineering Application Notes | POCONS USA