Step-by-step instructions with real-world examples for every checkpoint
How to use these tutorials: Each submodule page provides detailed guidance for every checkpoint in that section. For each check point you'll find:
Hierarchy, sheet numbering, net naming, reference designators, floating pins, ERC, junction dots, bus notation.
Open Tutorial →Power tree, input voltage range, regulator headroom, power budget, sequencing, protection circuits.
Open Tutorial →Local decoupling, bulk capacitors, value strategy, ferrite beads, ESR selection, per-pin decoupling.
Open Tutorial →Voltage/current derating, temperature range, availability, second-source, moisture sensitivity, tolerance.
Open Tutorial →Pin-to-pin verification, pull-up/down, unused pins, multi-function configuration, address conflicts.
Open Tutorial →Level translation, termination, series resistors, AC coupling, common-mode chokes, timing compliance.
Open Tutorial →ESD protection, TVS selection, clamping voltage, surge rating, thermal shutdown, fault current paths.
Open Tutorial →Crystal load caps, output frequency, distribution fan-out, jitter, guard traces, startup time.
Open Tutorial →Power-on reset timing, brownout detection, watchdog, reset distribution, debouncing, documentation.
Open Tutorial →Pin assignment, keying, current rating, mating force, signal/ground ratio, mechanical retention.
Open Tutorial →BOM completeness, assembly notes, variant management, revision history, design notes, test points.
Open Tutorial →Target impedance, stackup design, trace width calculation, tolerances, reference planes, discontinuities.
Open Tutorial →Series/parallel/Thevenin/AC termination, differential termination, reflection coefficient calculations.
Open Tutorial →3W spacing rule, guard traces, layer coupling, NEXT/FEXT analysis, crosstalk budget, isolation.
Open Tutorial →Setup/hold margins, flight time, length tolerance, skew budget, clock-to-data timing, group delay.
Open Tutorial →Continuous reference planes, return vias, plane splits, void avoidance, stitching capacitors.
Open Tutorial →Channel loss, return loss, eye diagrams, TX/RX equalization, via optimization, S-parameters.
Open Tutorial →DQ/DQS matching, address/command routing, write leveling, ODT, VREF, fly-by topology.
Open Tutorial →ADC/DAC reference, guard rings, quiet ground, filter poles, noise floor, analog/digital boundary.
Open Tutorial →IBIS models, pre/post-layout simulation, eye mask compliance, TDR measurement, correlation.
Open Tutorial →Target impedance, frequency-domain profile, anti-resonance, VRM bandwidth, spreading inductance.
Open Tutorial →Bulk/mid/high-frequency capacitors, mounting inductance, via-in-pad, frequency coverage analysis.
Open Tutorial →Plane coupling, splits, stitching caps, current density, resonance, copper weight for current.
Open Tutorial →Input/output capacitors, feedback network, compensation, inductor selection, load transient response.
Open Tutorial →IC requirements, ramp rate, monotonic rise, power-good signals, enable timing, discharge paths.
Open Tutorial →IPC-2152 trace width, via current, plane density, thermal relief, fuse coordination, connectors.
Open Tutorial →Load step response, voltage droop, recovery time, overshoot, PSRR, noise spectrum.
Open Tutorial →DC IR-drop, AC impedance, voltage ripple, power-up transient, measurement plan, correlation.
Open Tutorial →Clock harmonics, loop area, board edge radiation, heatsink radiation, cable CM current, spectral content.
Open Tutorial →SMPS harmonics, input filter design, CM/DM current paths, Pi-filter design, LISN compatibility.
Open Tutorial →ESD (IEC 61000-4-2), radiated immunity, EFT burst, surge, conducted RF, magnetic field immunity.
Open Tutorial →Single/multi-point grounding, chassis connection, plane segmentation, star ground, cable shields.
Open Tutorial →Pi-filters, common-mode chokes, ferrite bead selection, feed-through caps, placement, ground return.
Open Tutorial →Enclosure SE, aperture leakage, seam/gasket design, cable penetration, local shields, grounding.
Open Tutorial →Cable shield bonding, connector shells, filtered pins, segregation, CM ferrites, cable resonance.
Open Tutorial →20H rule, stitching vias, plane split avoidance, component placement, return path stitching, guard rings.
Open Tutorial →FCC/CE standards, emissions class, test plan, pre-compliance, labeling, documentation package.
Open Tutorial →Layer count, signal/ground/power arrangement, symmetry, dielectric thickness, copper weight, materials.
Open Tutorial →Functional grouping, signal flow, decoupling adjacency, thermal awareness, height restrictions.
Open Tutorial →Trace widths, clearances, differential routing, length matching, angle constraints, BGA escape.
Open Tutorial →Via types, via-in-pad, current rating, anti-pad clearance, stitching vias, thermal vias, back-drill.
Open Tutorial →Power plane shapes, bottleneck avoidance, decoupling via placement, Kelvin sense, star points.
Open Tutorial →Impedance-controlled traces, reference continuity, length matching, diff pair symmetry, no stubs.
Open Tutorial →Ref-des visibility, polarity marks, pin 1 indicators, mask clearance, fine-pitch mask, pad overlap.
Open Tutorial →Board outline, mounting holes, connector positions, keep-out zones, edge clearance, tooling holes.
Open Tutorial →DRC resolution, clearance violations, unconnected nets, manufacturing DRC, copper-to-edge, drill clearance.
Open Tutorial →Gerber generation, drill files, pick-and-place, IPC netlist, fab drawings, stackup spec, assembly drawings.
Open Tutorial →IC power, MOSFET losses, resistor I²R, inductor losses, total power budget, worst-case scenarios.
Open Tutorial →Rth_ja path, thermal pad connections, thermal vias, TIM selection, copper spreading, Rth calculations.
Open Tutorial →Heatsink Rth, airflow requirements, fan selection, natural convection, mounting, thermal grease.
Open Tutorial →Thermal vias, copper pour, inner layer connections, thermal relief, hot spots, board-level Rth.
Open Tutorial →Temperature derating, cap lifetime, MOSFET SOA, junction margin, connector derating, resistor power.
Open Tutorial →CFD/FEA simulation, boundary conditions, thermal camera validation, measurement points, correlation.
Open Tutorial →Trace/space minimums, annular ring, aspect ratio, copper balance, acid traps, slivers, panelization.
Open Tutorial →Test points, ICT grid spacing, boundary scan, bed-of-nails, functional test, coverage estimation.
Open Tutorial →Orientation, reflow compatibility, wave solder, tombstoning prevention, BGA rework, fiducials.
Open Tutorial →MTBF estimation, solder fatigue, conformal coating, HALT/HASS, vibration/shock, corrosion protection.
Open Tutorial →Component availability, lead times, second sources, lifecycle status, REACH/RoHS, counterfeit mitigation.
Open Tutorial →Safety certification (UL/CE), environmental compliance, EMC marking, labeling, technical file, DoC.
Open Tutorial →